Re: [PATCH 22/29] Disintegrate asm/system.h for S390
From: Martin Schwidefsky <hidden>
Date: 2012-03-08 11:18:50
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On Wed, 07 Mar 2012 19:50:01 +0000 David Howells [off-list ref] wrote:
quoted hunk ↗ jump to hunk
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h index 06faf6a..d7008d1 100644 --- a/arch/s390/include/asm/sigp.h +++ b/arch/s390/include/asm/sigp.h@@ -14,6 +14,14 @@ /* Get real cpu address from logical cpu number. */ extern unsigned short __cpu_logical_map[]; +static inline unsigned short stap(void) +{ + unsigned short cpu_address; + + asm volatile("stap %0" : "=m" (cpu_address)); + return cpu_address; +} + static inline int cpu_logical_map(int cpu) { #ifdef CONFIG_SMP
This hunk will conflict with "[PATCH] rework smp code" in the linux-next tree. The sigp.h header is disintegrated as well.. But except for this little hiccup I like the idea to split system.h, makes a lot of sense. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.