[PATCH] MIPS: Fix minimum alignment requirement of IRQ stack

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* [PATCH] MIPS: Fix minimum alignment requirement of IRQ stack
@ 2017-07-07 14:57 Matt Redfearn
  2017-07-09  0:07 ` kbuild test robot
  2017-07-09  1:21 ` kbuild test robot
  0 siblings, 2 replies; 3+ messages in thread
From: Matt Redfearn @ 2017-07-07 14:57 UTC (permalink / raw)
  To: Ralf Baechle
  Cc: linux-mips, Matt Redfearn, Chris Metcalf, linux-kernel,
	Aaron Tomlin, Jason A. Donenfeld

Commit db8466c581cc ("MIPS: IRQ Stack: Unwind IRQ stack onto task
stack") erroneously set the initial stack pointer of the IRQ stack to a
value with a 4 byte alignment. The MIPS32 ABI requires that the minimum
stack alignment is 8 byte, and the MIPS64 ABIs(n32/n64) require 16 byte
minimum alignment. Use the ALMASK stack pointer mask to align the stack
as appropriate for the kernel build.

Fixes: db8466c581cc ("MIPS: IRQ Stack: Unwind IRQ stack onto task stack")
Reported-by: Darius Ivanauskas <dasilt@yahoo.com>
Suggested-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>

---

 arch/mips/include/asm/irq.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h
index ddd1c918103b..ac66a2de091a 100644
--- a/arch/mips/include/asm/irq.h
+++ b/arch/mips/include/asm/irq.h
@@ -9,6 +9,7 @@
 #ifndef _ASM_IRQ_H
 #define _ASM_IRQ_H
 
+#include <asm/asm.h>
 #include <linux/linkage.h>
 #include <linux/smp.h>
 #include <linux/irqdomain.h>
@@ -17,8 +18,8 @@
 
 #include <irq.h>
 
-#define IRQ_STACK_SIZE			THREAD_SIZE
-#define IRQ_STACK_START			(IRQ_STACK_SIZE - sizeof(unsigned long))
+#define IRQ_STACK_SIZE	THREAD_SIZE
+#define IRQ_STACK_START	((IRQ_STACK_SIZE - sizeof(unsigned long)) & ALMASK)
 
 extern void *irq_stack[NR_CPUS];
 
-- 
2.7.4

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] MIPS: Fix minimum alignment requirement of IRQ stack
  2017-07-07 14:57 [PATCH] MIPS: Fix minimum alignment requirement of IRQ stack Matt Redfearn
@ 2017-07-09  0:07 ` kbuild test robot
  2017-07-09  1:21 ` kbuild test robot
  1 sibling, 0 replies; 3+ messages in thread
From: kbuild test robot @ 2017-07-09  0:07 UTC (permalink / raw)
  To: Matt Redfearn
  Cc: kbuild-all, Ralf Baechle, linux-mips, Matt Redfearn,
	Chris Metcalf, linux-kernel, Aaron Tomlin, Jason A. Donenfeld

[-- Attachment #1: Type: text/plain, Size: 38205 bytes --]

Hi Matt,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.12 next-20170707]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Matt-Redfearn/MIPS-Fix-minimum-alignment-requirement-of-IRQ-stack/20170709-054925
config: mips-jz4740 (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=mips 

All errors (new ones prefixed by >>):

   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from arch/mips/sgi-ip22/ip22-time.c:15:
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:18:15: note: in expansion of macro 'LONG'
    typedef long  LONG __attribute__ ((__mode__ (__SI__)));
                  ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:27:9: note: in expansion of macro 'LONG'
    typedef LONG  _PCHAR;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:28:9: note: in expansion of macro 'LONG'
    typedef LONG  _PSHORT;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:29:9: note: in expansion of macro 'LONG'
    typedef LONG  _PLARGE_INTEGER;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:30:9: note: in expansion of macro 'LONG'
    typedef LONG  _PLONG;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:31:9: note: in expansion of macro 'LONG'
    typedef LONG  _PUCHAR;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:32:9: note: in expansion of macro 'LONG'
    typedef LONG  _PUSHORT;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:33:9: note: in expansion of macro 'LONG'
    typedef LONG  _PULONG;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:34:9: note: in expansion of macro 'LONG'
    typedef LONG  _PVOID;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:65:9: note: in expansion of macro 'LONG'
    typedef LONG  *PLONG;
            ^~~~
   In file included from arch/mips/include/asm/sgialib.h:15:0,
                    from arch/mips/sgi-ip22/ip22-time.c:27:
>> arch/mips/include/asm/sgiarcs.h:89:2: error: unknown type name '_PULONG'
     _PULONG   iname; /* string identifier */
     ^~~~~~~
   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from arch/mips/sgi-ip22/ip22-time.c:15:
   arch/mips/include/asm/asm.h:318:15: error: expected specifier-qualifier-list before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgiarcs.h:188:2: note: in expansion of macro 'LONG'
     LONG load;   /* Load an executable image. */
     ^~~~
   In file included from arch/mips/include/asm/sgialib.h:15:0,
                    from arch/mips/sgi-ip22/ip22-time.c:27:
>> arch/mips/include/asm/sgiarcs.h:252:2: error: unknown type name '_PLONG'
     _PLONG   rs_block; /* Restart block. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:253:2: error: unknown type name '_PLONG'
     _PLONG   dbg_block; /* Debug block. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:254:2: error: unknown type name '_PLONG'
     _PLONG   gevect;  /* XXX General vector??? */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:255:2: error: unknown type name '_PLONG'
     _PLONG   utlbvect; /* XXX UTLB vector??? */
     ^~~~~~
>> arch/mips/include/asm/sgiarcs.h:257:2: error: unknown type name '_PVOID'
     _PVOID   romvec;  /* Function interface. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:259:2: error: unknown type name '_PVOID'
     _PVOID   pvector; /* Private vector. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:263:2: error: unknown type name '_PVOID'
     _PVOID   adap_vector; /* Adapter 0 vector ptr. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:266:2: error: unknown type name '_PVOID'
     _PVOID   adap_vector1; /* Adapter 1 vector ptr. */
     ^~~~~~
   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from arch/mips/sgi-ip22/ip22-time.c:15:
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:20:8: note: in expansion of macro 'LONG'
    extern LONG *_prom_argv, *_prom_envp;
           ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:64:8: note: in expansion of macro 'LONG'
    extern LONG ArcSetEnvironmentVariable(PCHAR name, PCHAR value);
           ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:70:8: note: in expansion of macro 'LONG'
    extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
           ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:71:8: note: in expansion of macro 'LONG'
    extern LONG ArcWrite(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
           ^~~~
   arch/mips/sgi-ip22/ip22-time.c: In function 'indy_8254timer_irq':
>> arch/mips/sgi-ip22/ip22-time.c:128:2: error: implicit declaration of function 'ArcRead' [-Werror=implicit-function-declaration]
     ArcRead(0, &c, 1, &cnt);
     ^~~~~~~
   cc1: all warnings being treated as errors
--
   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from include/asm-generic/hardirq.h:12,
                    from arch/mips/include/asm/hardirq.h:16,
                    from include/linux/hardirq.h:8,
                    from include/linux/interrupt.h:12,
                    from arch/mips/sgi-ip22/ip22-reset.c:11:
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:18:15: note: in expansion of macro 'LONG'
    typedef long  LONG __attribute__ ((__mode__ (__SI__)));
                  ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:27:9: note: in expansion of macro 'LONG'
    typedef LONG  _PCHAR;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:28:9: note: in expansion of macro 'LONG'
    typedef LONG  _PSHORT;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:29:9: note: in expansion of macro 'LONG'
    typedef LONG  _PLARGE_INTEGER;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:30:9: note: in expansion of macro 'LONG'
    typedef LONG  _PLONG;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:31:9: note: in expansion of macro 'LONG'
    typedef LONG  _PUCHAR;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:32:9: note: in expansion of macro 'LONG'
    typedef LONG  _PUSHORT;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:33:9: note: in expansion of macro 'LONG'
    typedef LONG  _PULONG;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:34:9: note: in expansion of macro 'LONG'
    typedef LONG  _PVOID;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:65:9: note: in expansion of macro 'LONG'
    typedef LONG  *PLONG;
            ^~~~
   In file included from arch/mips/include/asm/sgialib.h:15:0,
                    from arch/mips/sgi-ip22/ip22-reset.c:21:
>> arch/mips/include/asm/sgiarcs.h:89:2: error: unknown type name '_PULONG'
     _PULONG   iname; /* string identifier */
     ^~~~~~~
   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from include/asm-generic/hardirq.h:12,
                    from arch/mips/include/asm/hardirq.h:16,
                    from include/linux/hardirq.h:8,
                    from include/linux/interrupt.h:12,
                    from arch/mips/sgi-ip22/ip22-reset.c:11:
   arch/mips/include/asm/asm.h:318:15: error: expected specifier-qualifier-list before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgiarcs.h:188:2: note: in expansion of macro 'LONG'
     LONG load;   /* Load an executable image. */
     ^~~~
   In file included from arch/mips/include/asm/sgialib.h:15:0,
                    from arch/mips/sgi-ip22/ip22-reset.c:21:
>> arch/mips/include/asm/sgiarcs.h:252:2: error: unknown type name '_PLONG'
     _PLONG   rs_block; /* Restart block. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:253:2: error: unknown type name '_PLONG'
     _PLONG   dbg_block; /* Debug block. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:254:2: error: unknown type name '_PLONG'
     _PLONG   gevect;  /* XXX General vector??? */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:255:2: error: unknown type name '_PLONG'
     _PLONG   utlbvect; /* XXX UTLB vector??? */
     ^~~~~~
>> arch/mips/include/asm/sgiarcs.h:257:2: error: unknown type name '_PVOID'
     _PVOID   romvec;  /* Function interface. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:259:2: error: unknown type name '_PVOID'
     _PVOID   pvector; /* Private vector. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:263:2: error: unknown type name '_PVOID'
     _PVOID   adap_vector; /* Adapter 0 vector ptr. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:266:2: error: unknown type name '_PVOID'
     _PVOID   adap_vector1; /* Adapter 1 vector ptr. */
     ^~~~~~
   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from include/asm-generic/hardirq.h:12,
                    from arch/mips/include/asm/hardirq.h:16,
                    from include/linux/hardirq.h:8,
                    from include/linux/interrupt.h:12,
                    from arch/mips/sgi-ip22/ip22-reset.c:11:
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:20:8: note: in expansion of macro 'LONG'
    extern LONG *_prom_argv, *_prom_envp;
           ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:64:8: note: in expansion of macro 'LONG'
    extern LONG ArcSetEnvironmentVariable(PCHAR name, PCHAR value);
           ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:70:8: note: in expansion of macro 'LONG'
    extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
           ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:71:8: note: in expansion of macro 'LONG'
    extern LONG ArcWrite(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
           ^~~~
--
   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from arch/mips//sgi-ip22/ip22-time.c:15:
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:18:15: note: in expansion of macro 'LONG'
    typedef long  LONG __attribute__ ((__mode__ (__SI__)));
                  ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:27:9: note: in expansion of macro 'LONG'
    typedef LONG  _PCHAR;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:28:9: note: in expansion of macro 'LONG'
    typedef LONG  _PSHORT;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:29:9: note: in expansion of macro 'LONG'
    typedef LONG  _PLARGE_INTEGER;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:30:9: note: in expansion of macro 'LONG'
    typedef LONG  _PLONG;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:31:9: note: in expansion of macro 'LONG'
    typedef LONG  _PUCHAR;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:32:9: note: in expansion of macro 'LONG'
    typedef LONG  _PUSHORT;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:33:9: note: in expansion of macro 'LONG'
    typedef LONG  _PULONG;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:34:9: note: in expansion of macro 'LONG'
    typedef LONG  _PVOID;
            ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/fw/arc/types.h:65:9: note: in expansion of macro 'LONG'
    typedef LONG  *PLONG;
            ^~~~
   In file included from arch/mips/include/asm/sgialib.h:15:0,
                    from arch/mips//sgi-ip22/ip22-time.c:27:
>> arch/mips/include/asm/sgiarcs.h:89:2: error: unknown type name '_PULONG'
     _PULONG   iname; /* string identifier */
     ^~~~~~~
   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from arch/mips//sgi-ip22/ip22-time.c:15:
   arch/mips/include/asm/asm.h:318:15: error: expected specifier-qualifier-list before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgiarcs.h:188:2: note: in expansion of macro 'LONG'
     LONG load;   /* Load an executable image. */
     ^~~~
   In file included from arch/mips/include/asm/sgialib.h:15:0,
                    from arch/mips//sgi-ip22/ip22-time.c:27:
>> arch/mips/include/asm/sgiarcs.h:252:2: error: unknown type name '_PLONG'
     _PLONG   rs_block; /* Restart block. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:253:2: error: unknown type name '_PLONG'
     _PLONG   dbg_block; /* Debug block. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:254:2: error: unknown type name '_PLONG'
     _PLONG   gevect;  /* XXX General vector??? */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:255:2: error: unknown type name '_PLONG'
     _PLONG   utlbvect; /* XXX UTLB vector??? */
     ^~~~~~
>> arch/mips/include/asm/sgiarcs.h:257:2: error: unknown type name '_PVOID'
     _PVOID   romvec;  /* Function interface. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:259:2: error: unknown type name '_PVOID'
     _PVOID   pvector; /* Private vector. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:263:2: error: unknown type name '_PVOID'
     _PVOID   adap_vector; /* Adapter 0 vector ptr. */
     ^~~~~~
   arch/mips/include/asm/sgiarcs.h:266:2: error: unknown type name '_PVOID'
     _PVOID   adap_vector1; /* Adapter 1 vector ptr. */
     ^~~~~~
   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from arch/mips//sgi-ip22/ip22-time.c:15:
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:20:8: note: in expansion of macro 'LONG'
    extern LONG *_prom_argv, *_prom_envp;
           ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:64:8: note: in expansion of macro 'LONG'
    extern LONG ArcSetEnvironmentVariable(PCHAR name, PCHAR value);
           ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:70:8: note: in expansion of macro 'LONG'
    extern LONG ArcRead(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
           ^~~~
   arch/mips/include/asm/asm.h:318:15: error: expected identifier or '(' before '.' token
    #define LONG  .word
                  ^
   arch/mips/include/asm/sgialib.h:71:8: note: in expansion of macro 'LONG'
    extern LONG ArcWrite(ULONG fd, PVOID buf, ULONG num, PULONG cnt);
           ^~~~
   arch/mips//sgi-ip22/ip22-time.c: In function 'indy_8254timer_irq':
   arch/mips//sgi-ip22/ip22-time.c:128:2: error: implicit declaration of function 'ArcRead' [-Werror=implicit-function-declaration]
     ArcRead(0, &c, 1, &cnt);
     ^~~~~~~
   cc1: all warnings being treated as errors

vim +/_PULONG +89 arch/mips/include/asm/sgiarcs.h

^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   83  	USHORT			vers;	/* node version */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   84  	USHORT			rev;	/* node revision */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   85  	ULONG			key;	/* completely magic */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   86  	ULONG			amask;	/* XXX affinity mask??? */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   87  	ULONG			cdsize; /* size of configuration data */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   88  	ULONG			ilen;	/* length of string identifier */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  @89  	_PULONG			iname;	/* string identifier */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   90  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   91  typedef struct linux_component pcomponent;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   92  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   93  struct linux_sysid {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   94  	char vend[8], prod[8];
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   95  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   96  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   97  /* ARCS prom memory descriptors. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   98  enum arcs_memtypes {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16   99  	arcs_eblock,  /* exception block */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  100  	arcs_rvpage,  /* ARCS romvec page */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  101  	arcs_fcontig, /* Contiguous and free */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  102  	arcs_free,    /* Generic free memory */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  103  	arcs_bmem,    /* Borken memory, don't use */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  104  	arcs_prog,    /* A loaded program resides here */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  105  	arcs_atmp,    /* ARCS temporary storage area, wish Sparc OpenBoot told this */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  106  	arcs_aperm,   /* ARCS permanent storage... */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  107  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  108  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  109  /* ARC has slightly different types than ARCS */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  110  enum arc_memtypes {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  111  	arc_eblock,  /* exception block */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  112  	arc_rvpage,  /* romvec page */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  113  	arc_free,    /* Generic free memory */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  114  	arc_bmem,    /* Borken memory, don't use */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  115  	arc_prog,    /* A loaded program resides here */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  116  	arc_atmp,    /* temporary storage area */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  117  	arc_aperm,   /* permanent storage */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  118  	arc_fcontig, /* Contiguous and free */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  119  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  120  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  121  union linux_memtypes {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  122      enum arcs_memtypes arcs;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  123      enum arc_memtypes arc;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  124  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  125  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  126  struct linux_mdesc {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  127  	union linux_memtypes type;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  128  	ULONG base;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  129  	ULONG pages;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  130  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  131  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  132  /* Time of day descriptor. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  133  struct linux_tinfo {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  134  	unsigned short yr;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  135  	unsigned short mnth;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  136  	unsigned short day;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  137  	unsigned short hr;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  138  	unsigned short min;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  139  	unsigned short sec;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  140  	unsigned short msec;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  141  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  142  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  143  /* ARCS virtual dirents. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  144  struct linux_vdirent {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  145  	ULONG namelen;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  146  	unsigned char attr;
92a76f6d arch/mips/include/asm/sgiarcs.h Adam Buchbinder 2016-02-25  147  	char fname[32]; /* XXX empirical, should be a define */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  148  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  149  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  150  /* Other stuff for files. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  151  enum linux_omode {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  152  	rdonly, wronly, rdwr, wronly_creat, rdwr_creat,
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  153  	wronly_ssede, rdwr_ssede, dirent, dirent_creat
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  154  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  155  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  156  enum linux_seekmode {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  157  	absolute, relative
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  158  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  159  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  160  enum linux_mountops {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  161  	media_load, media_unload
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  162  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  163  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  164  /* This prom has a bolixed design. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  165  struct linux_bigint {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  166  #ifdef __MIPSEL__
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  167  	u32 lo;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  168  	s32 hi;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  169  #else /* !(__MIPSEL__) */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  170  	s32 hi;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  171  	u32 lo;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  172  #endif
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  173  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  174  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  175  struct linux_finfo {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  176  	struct linux_bigint   begin;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  177  	struct linux_bigint   end;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  178  	struct linux_bigint   cur;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  179  	enum linux_devtypes   dtype;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  180  	unsigned long	      namelen;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  181  	unsigned char	      attr;
92a76f6d arch/mips/include/asm/sgiarcs.h Adam Buchbinder 2016-02-25  182  	char		      name[32]; /* XXX empirical, should be define */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  183  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  184  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  185  /* This describes the vector containing function pointers to the ARC
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  186     firmware functions.	*/
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  187  struct linux_romvec {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16 @188  	LONG	load;			/* Load an executable image. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  189  	LONG	invoke;			/* Invoke a standalong image. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  190  	LONG	exec;			/* Load and begin execution of a
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  191  					   standalone image. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  192  	LONG	halt;			/* Halt the machine. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  193  	LONG	pdown;			/* Power down the machine. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  194  	LONG	restart;		/* XXX soft reset??? */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  195  	LONG	reboot;			/* Reboot the machine. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  196  	LONG	imode;			/* Enter PROM interactive mode. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  197  	LONG	_unused1;		/* Was ReturnFromMain(). */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  198  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  199  	/* PROM device tree interface. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  200  	LONG	next_component;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  201  	LONG	child_component;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  202  	LONG	parent_component;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  203  	LONG	component_data;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  204  	LONG	child_add;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  205  	LONG	comp_del;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  206  	LONG	component_by_path;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  207  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  208  	/* Misc. stuff. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  209  	LONG	cfg_save;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  210  	LONG	get_sysid;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  211  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  212  	/* Probing for memory. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  213  	LONG	get_mdesc;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  214  	LONG	_unused2;		/* was Signal() */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  215  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  216  	LONG	get_tinfo;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  217  	LONG	get_rtime;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  218  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  219  	/* File type operations. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  220  	LONG	get_vdirent;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  221  	LONG	open;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  222  	LONG	close;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  223  	LONG	read;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  224  	LONG	get_rstatus;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  225  	LONG	write;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  226  	LONG	seek;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  227  	LONG	mount;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  228  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  229  	/* Dealing with firmware environment variables. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  230  	LONG	get_evar;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  231  	LONG	set_evar;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  232  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  233  	LONG	get_finfo;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  234  	LONG	set_finfo;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  235  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  236  	/* Miscellaneous. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  237  	LONG	cache_flush;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  238  	LONG	TestUnicodeCharacter;		/* ARC; not sure if ARCS too */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  239  	LONG	GetDisplayStatus;
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  240  };
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  241  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  242  /* The SGI ARCS parameter block is in a fixed location for standalone
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  243   * programs to access PROM facilities easily.
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  244   */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  245  typedef struct _SYSTEM_PARAMETER_BLOCK {
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  246  	ULONG			magic;		/* magic cookie */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  247  #define PROMBLOCK_MAGIC	     0x53435241
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  248  
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  249  	ULONG			len;		/* length of parm block */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  250  	USHORT			ver;		/* ARCS firmware version */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  251  	USHORT			rev;		/* ARCS firmware revision */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16 @252  	_PLONG			rs_block;	/* Restart block. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16 @253  	_PLONG			dbg_block;	/* Debug block. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  254  	_PLONG			gevect;		/* XXX General vector??? */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  255  	_PLONG			utlbvect;	/* XXX UTLB vector??? */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  256  	ULONG			rveclen;	/* Size of romvec struct. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16 @257  	_PVOID			romvec;		/* Function interface. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  258  	ULONG			pveclen;	/* Length of private vector. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  259  	_PVOID			pvector;	/* Private vector. */
^1da177e include/asm-mips/sgiarcs.h      Linus Torvalds  2005-04-16  260  	ULONG			adap_cnt;	/* Adapter count. */

:::::: The code at line 89 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

[-- Attachment #2: .config.gz --]
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^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] MIPS: Fix minimum alignment requirement of IRQ stack
  2017-07-07 14:57 [PATCH] MIPS: Fix minimum alignment requirement of IRQ stack Matt Redfearn
  2017-07-09  0:07 ` kbuild test robot
@ 2017-07-09  1:21 ` kbuild test robot
  1 sibling, 0 replies; 3+ messages in thread
From: kbuild test robot @ 2017-07-09  1:21 UTC (permalink / raw)
  To: Matt Redfearn
  Cc: kbuild-all, Ralf Baechle, linux-mips, Matt Redfearn,
	Chris Metcalf, linux-kernel, Aaron Tomlin, Jason A. Donenfeld

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Hi Matt,

[auto build test WARNING on linus/master]
[also build test WARNING on v4.12 next-20170707]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Matt-Redfearn/MIPS-Fix-minimum-alignment-requirement-of-IRQ-stack/20170709-054925
config: mips-fuloong2e_defconfig (attached as .config)
compiler: mips64el-linux-gnuabi64-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=mips 

All warnings (new ones prefixed by >>):

   In file included from drivers/net/slip/slip.c:87:0:
>> drivers/net/slip/slip.h:43:0: warning: "END" redefined
    #define END             0300  /* indicates end of frame */
    
   In file included from arch/mips/include/asm/irq.h:12:0,
                    from include/linux/irq.h:27,
                    from include/asm-generic/hardirq.h:12,
                    from arch/mips/include/asm/hardirq.h:16,
                    from include/linux/hardirq.h:8,
                    from include/linux/interrupt.h:12,
                    from drivers/net/slip/slip.c:72:
   arch/mips/include/asm/asm.h:74:0: note: this is the location of the previous definition
    #define END(function)     \
    

vim +/END +43 drivers/net/slip/slip.h

^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  27  # define SL_INCLUDE_CSLIP
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  28  #endif
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  29  
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  30  #ifdef SL_INCLUDE_CSLIP
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  31  # define SL_MODE_DEFAULT SL_MODE_ADAPTIVE
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  32  #else
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  33  # define SL_MODE_DEFAULT SL_MODE_SLIP
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  34  #endif
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  35  
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  36  /* SLIP configuration. */
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  37  #define SL_NRUNIT	256		/* MAX number of SLIP channels;
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  38  					   This can be overridden with
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  39  					   insmod -oslip_maxdev=nnn	*/
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  40  #define SL_MTU		296		/* 296; I am used to 600- FvK	*/
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  41  
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  42  /* SLIP protocol characters. */
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16 @43  #define END             0300		/* indicates end of frame	*/
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  44  #define ESC             0333		/* indicates byte stuffing	*/
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  45  #define ESC_END         0334		/* ESC ESC_END means END 'data'	*/
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  46  #define ESC_ESC         0335		/* ESC ESC_ESC means ESC 'data'	*/
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  47  
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  48  
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  49  struct slip {
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  50    int			magic;
^1da177e drivers/net/slip.h Linus Torvalds 2005-04-16  51  

:::::: The code at line 43 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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2017-07-07 14:57 [PATCH] MIPS: Fix minimum alignment requirement of IRQ stack Matt Redfearn
2017-07-09  0:07 ` kbuild test robot
2017-07-09  1:21 ` kbuild test robot

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