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authorTejun Heo <tj@kernel.org>2014-06-18 03:12:34 +0400
committerTejun Heo <tj@kernel.org>2014-06-18 03:12:34 +0400
commitbbc344e1e3aef3034a0edc79f7f64a912517926b (patch)
tree2028db00bf8ef28736609fb41392fe7218ebdd80 /arch/x86/include/asm/percpu.h
parent6adc5cac538b5d9162d8bcdb6145319592afc0d6 (diff)
downloadlinux-bbc344e1e3aef3034a0edc79f7f64a912517926b.tar.xz
percpu: introduce arch_raw_cpu_ptr()
Currently, archs can override raw_cpu_ptr() directly; however, we wanna build a layer of indirection in the generic part of percpu so that we can implement generic features there without affecting archs. Introduce arch_raw_cpu_ptr() which is used to define raw_cpu_ptr() by generic percpu code. The two are identical for now. x86 is currently the only arch which overrides raw_cpu_ptr() and is converted to define arch_raw_cpu_ptr() instead. This doesn't introduce any functional difference. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/percpu.h')
-rw-r--r--arch/x86/include/asm/percpu.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 851bcdc5db04..9bc23f18a6fa 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -52,7 +52,7 @@
* Compared to the generic __my_cpu_offset version, the following
* saves one instruction and avoids clobbering a temp register.
*/
-#define raw_cpu_ptr(ptr) \
+#define arch_raw_cpu_ptr(ptr) \
({ \
unsigned long tcp_ptr__; \
__verify_pcpu_ptr(ptr); \