From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Date: Thu, 29 Oct 2009 14:03:31 +0000 Subject: [PATCH percpu#for-next] ia64: add sparse annotation to __ia64_per_cpu_var() Message-Id: <4AE9A0B3.4010305@kernel.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Linux Kernel Mailing List , "'linux-ia64@vger.kernel.org'" , "Luck, Tony" , Christoph Lameter ia64 has its own optimized percpu accessor - __ia64_per_cpu_var(). Add percpu sparse annotations to it. Signed-off-by: Tejun Heo --- arch/ia64/include/asm/percpu.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: work/arch/ia64/include/asm/percpu.h =================================--- work.orig/arch/ia64/include/asm/percpu.h +++ work/arch/ia64/include/asm/percpu.h @@ -39,7 +39,10 @@ extern void *per_cpu_init(void); * On the positive side, using __ia64_per_cpu_var() instead of __get_cpu_var() is slightly * more efficient. */ -#define __ia64_per_cpu_var(var) var +#define __ia64_per_cpu_var(var) (*({ \ + __verify_pcpu_ptr(&(var)); \ + ((typeof(var) __kernel __force *)&(var)); \ +})) #include