mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
* [PATCH] percpu: eliminate two sparse warnings
@ 2016-09-22 14:03 Lance Richardson
  2016-09-22 16:14 ` Tejun Heo
  0 siblings, 1 reply; 2+ messages in thread
From: Lance Richardson @ 2016-09-22 14:03 UTC (permalink / raw)
  To: linux-kernel; +Cc: tj, cl, tglx, mingo, hpa, x86

Fix two cases where a __percpu pointer cast drops __percpu.

Signed-off-by: Lance Richardson <lrichard@redhat.com>
---
 arch/x86/include/asm/percpu.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index e02e3f8..84f58de 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -521,7 +521,8 @@ do {									\
 static __always_inline bool x86_this_cpu_constant_test_bit(unsigned int nr,
                         const unsigned long __percpu *addr)
 {
-	unsigned long __percpu *a = (unsigned long *)addr + nr / BITS_PER_LONG;
+	unsigned long __percpu *a =
+		(unsigned long __percpu *)addr + nr / BITS_PER_LONG;
 
 #ifdef CONFIG_X86_64
 	return ((1UL << (nr % BITS_PER_LONG)) & raw_cpu_read_8(*a)) != 0;
@@ -538,7 +539,7 @@ static inline bool x86_this_cpu_variable_test_bit(int nr,
 	asm volatile("bt "__percpu_arg(2)",%1\n\t"
 			CC_SET(c)
 			: CC_OUT(c) (oldbit)
-			: "m" (*(unsigned long *)addr), "Ir" (nr));
+			: "m" (*(unsigned long __percpu *)addr), "Ir" (nr));
 
 	return oldbit;
 }
-- 
2.5.5

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] percpu: eliminate two sparse warnings
  2016-09-22 14:03 [PATCH] percpu: eliminate two sparse warnings Lance Richardson
@ 2016-09-22 16:14 ` Tejun Heo
  0 siblings, 0 replies; 2+ messages in thread
From: Tejun Heo @ 2016-09-22 16:14 UTC (permalink / raw)
  To: Lance Richardson; +Cc: linux-kernel, cl, tglx, mingo, hpa, x86

On Thu, Sep 22, 2016 at 10:03:57AM -0400, Lance Richardson wrote:
> Fix two cases where a __percpu pointer cast drops __percpu.
> 
> Signed-off-by: Lance Richardson <lrichard@redhat.com>

Applied to percpu/for-4.9.

Thanks.

-- 
tejun

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2016-09-22 16:14 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-09-22 14:03 [PATCH] percpu: eliminate two sparse warnings Lance Richardson
2016-09-22 16:14 ` Tejun Heo

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®