From: Lance Richardson <lrichard@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: tj@kernel.org, cl@linux.com, tglx@linutronix.de,
mingo@redhat.com, hpa@zytor.com, x86@kernel.org
Subject: [PATCH] percpu: eliminate two sparse warnings
Date: Thu, 22 Sep 2016 10:03:57 -0400 [thread overview]
Message-ID: <1474553037-13318-1-git-send-email-lrichard@redhat.com> (raw)
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
next reply other threads:[~2016-09-22 14:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-22 14:03 Lance Richardson [this message]
2016-09-22 16:14 ` Tejun Heo
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