From: Heiko Carstens <hca@linux.ibm.com>
To: Alexander Gordeev <agordeev@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Niklas Schnelle <schnelle@linux.ibm.com>,
Matthew Rosato <mjrosato@linux.ibm.com>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>,
Vineeth Vijayan <vneethv@linux.ibm.com>,
Peter Oberparleiter <oberpar@linux.ibm.com>,
Harald Freudenberger <freude@linux.ibm.com>,
Holger Dengler <dengler@linux.ibm.com>,
Stefan Haberland <sth@linux.ibm.com>,
Jan Hoeppner <hoeppner@linux.ibm.com>,
Ilya Leoshkevich <iii@linux.ibm.com>,
Janosch Frank <frankja@linux.ibm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org
Subject: [PATCH 26/32] s390/boot: Convert inline assembly to EX_TABLE_INSN
Date: Thu, 1 Oct 2026 12:32:41 +0200 [thread overview]
Message-ID: <20261001103247.1989111-27-hca@linux.ibm.com> (raw)
In-Reply-To: <20261001103247.1989111-1-hca@linux.ibm.com>
Convert all boot exception table entries to use EX_TABLE_INSN.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
---
arch/s390/boot/ipl_parm.c | 6 +++---
arch/s390/boot/physmem_info.c | 18 +++++++++---------
arch/s390/boot/startup.c | 12 ++++++------
3 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/arch/s390/boot/ipl_parm.c b/arch/s390/boot/ipl_parm.c
index c1b43e5e688a..ff2ac7f16fe0 100644
--- a/arch/s390/boot/ipl_parm.c
+++ b/arch/s390/boot/ipl_parm.c
@@ -40,9 +40,9 @@ static inline int __diag308(unsigned long subcode, void *addr)
union register_pair r1 = { .even = (unsigned long)addr, .odd = 0 };
asm_inline volatile(
- " diag %[r1],%[subcode],0x308\n"
- "0:\n"
- EX_TABLE(0b, 0b)
+ "0: diag %[r1],%[subcode],0x308\n"
+ "1:\n"
+ EX_TABLE_INSN(0b, 1b)
: [r1] "+d" (r1.pair)
: [subcode] "d" (subcode)
: "cc", "memory");
diff --git a/arch/s390/boot/physmem_info.c b/arch/s390/boot/physmem_info.c
index 0ebb2174713f..e5248b637326 100644
--- a/arch/s390/boot/physmem_info.c
+++ b/arch/s390/boot/physmem_info.c
@@ -68,11 +68,11 @@ static int __diag260(unsigned long rx1, unsigned long rx2)
ry = 0x10; /* storage configuration */
exception = 1;
asm_inline volatile(
- " diag %[rx],%[ry],0x260\n"
- "0: lhi %[exc],0\n"
+ "0: diag %[rx],%[ry],0x260\n"
+ " lhi %[exc],0\n"
"1:\n"
CC_IPM(cc)
- EX_TABLE(0b, 1b)
+ EX_TABLE_INSN(0b, 1b)
: CC_OUT(cc, cc), [exc] "+d" (exception), [ry] "+d" (ry)
: [rx] "d" (rx.pair)
: CC_CLOBBER_LIST("memory"));
@@ -108,9 +108,9 @@ static int diag500_storage_limit(unsigned long *max_physmem_end)
asm_inline volatile(
" lghi %%r1,%[subcode]\n"
" lghi %%r2,0\n"
- " diag %%r2,%%r4,0x500\n"
- "0: lgr %[slimit],%%r2\n"
- EX_TABLE(0b, 0b)
+ "0: diag %%r2,%%r4,0x500\n"
+ "1: lgr %[slimit],%%r2\n"
+ EX_TABLE_INSN(0b, 1b)
: [slimit] "=d" (storage_limit)
: [subcode] "i" (DIAG500_SC_STOR_LIMIT)
: "memory", "1", "2");
@@ -127,11 +127,11 @@ static int tprot(unsigned long addr)
exception = 1;
asm_inline volatile(
- " tprot 0(%[addr]),0\n"
- "0: lhi %[exc],0\n"
+ "0: tprot 0(%[addr]),0\n"
+ " lhi %[exc],0\n"
"1:\n"
CC_IPM(cc)
- EX_TABLE(0b, 1b)
+ EX_TABLE_INSN(0b, 1b)
: CC_OUT(cc, cc), [exc] "+d" (exception)
: [addr] "a" (addr)
: CC_CLOBBER_LIST("memory"));
diff --git a/arch/s390/boot/startup.c b/arch/s390/boot/startup.c
index c1dcf8b1b579..5eb7a3e1f9f1 100644
--- a/arch/s390/boot/startup.c
+++ b/arch/s390/boot/startup.c
@@ -89,10 +89,10 @@ static void detect_diag9c(void)
cpu = stap();
asm_inline volatile(
- " diag %[cpu],%%r0,0x9c\n"
- "0: lhi %[rc],0\n"
+ "0: diag %[cpu],%%r0,0x9c\n"
+ " lhi %[rc],0\n"
"1:\n"
- EX_TABLE(0b, 1b)
+ EX_TABLE_INSN(0b, 1b)
: [rc] "+d" (rc)
: [cpu] "d" (cpu)
: "cc", "memory");
@@ -150,10 +150,10 @@ static int cmma_test_essa(void)
/* Test ESSA_GET_STATE */
asm_inline volatile(
- " .insn rrf,0xb9ab0000,%[tmp],%[tmp],%[cmd],0\n"
- "0: lhi %[rc],0\n"
+ "0: .insn rrf,0xb9ab0000,%[tmp],%[tmp],%[cmd],0\n"
+ " lhi %[rc],0\n"
"1:\n"
- EX_TABLE(0b, 1b)
+ EX_TABLE_INSN(0b, 1b)
: [rc] "+d" (rc), [tmp] "+d" (tmp)
: [cmd] "i" (ESSA_GET_STATE)
: "cc", "memory");
--
2.53.0
next prev parent reply other threads:[~2026-10-01 10:33 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-01 10:32 [PATCH 00/32] s390: Improve exception table handling and disassembler Heiko Carstens
2026-10-01 10:32 ` [PATCH 01/32] s390/kprobes: Prevent kprobes on instructions with exception table entry Heiko Carstens
2026-10-01 10:32 ` [PATCH 02/32] s390/early: Fix early warning handling Heiko Carstens
2026-10-01 10:32 ` [PATCH 03/32] s390: Clear pt_regs flags field Heiko Carstens
2026-10-01 10:32 ` [PATCH 04/32] s390/bug: Indicate modified PSW in disassembly Heiko Carstens
2026-10-01 10:32 ` [PATCH 05/32] s390/tools: Rename gen_facilities to gen_bitmaps Heiko Carstens
2026-10-01 10:32 ` [PATCH 06/32] s390/tools: Generate bitmap of nullified program checks Heiko Carstens
2026-10-01 10:32 ` [PATCH 07/32] s390/traps: Handle nullifying program checks in get_trap_ip() Heiko Carstens
2026-10-01 10:32 ` [PATCH 08/32] s390/dis: Improve show_code() output Heiko Carstens
2026-10-01 10:32 ` [PATCH 09/32] s390/extable: Rework exception handling logic Heiko Carstens
2026-10-01 10:32 ` [PATCH 10/32] s390/diag: Convert amode31 exception tables to EX_TABLE_INSN Heiko Carstens
2026-10-01 10:32 ` [PATCH 11/32] s390/uaccess: Convert inline assembly " Heiko Carstens
2026-10-01 10:32 ` [PATCH 12/32] s390/lib/uaccess: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 13/32] s390/futex: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 14/32] s390/diag: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 15/32] s390/mm/pfault: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 16/32] s390/cpu_mf: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 17/32] s390/cert_store: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 18/32] s390/ipl: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 19/32] s390/hypfs: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 20/32] s390/ap: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 21/32] s390/fpu: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 22/32] s390/traps: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 23/32] s390/word-at-a-time: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 24/32] s390/kvm: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 25/32] s390/pci: " Heiko Carstens
2026-10-01 10:32 ` Heiko Carstens [this message]
2026-10-01 10:32 ` [PATCH 27/32] s390/cio: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 28/32] s390/dasd: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 29/32] s390/diag_ftp: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 30/32] s390/sclp: " Heiko Carstens
2026-10-01 10:32 ` [PATCH 31/32] s390/bpf: Simplify exception table entry handling Heiko Carstens
2026-10-01 10:32 ` [PATCH 32/32] s390/extable: Remove EX_TABLE macros and fallback extable search Heiko Carstens
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