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Date: Tue, 10 Oct 2006 17:39:18 -0700 From: Jeremy Fitzhardinge <jeremy@...p.org> To: Andrew Morton <akpm@...l.org> CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Stas Sergeev <stsp@...et.ru>, Zachary Amsden <zach@...are.com>, Chuck Ebbert <76306.1226@...puserve.com>, Jan Beulich <jbeulich@...ell.com>, Andi Kleen <ak@...e.de> Subject: [PATCH 2.6.19-rc1-mm1] espfix Use scaling addressing mode rather than shifting in PER_CPU Use the x86 scaling addressing mode rather than shifting to multiplying by 4 in PER_CPU(). Signed-off-by: Jeremy Fitzhardinge <jeremy@...p.org> Cc: Andrew Morton <akpm@...l.org> Cc: Stas Sergeev <stsp@...et.ru> Cc: Zachary Amsden <zach@...are.com> Cc: Chuck Ebbert <76306.1226@...puserve.com> Cc: Jan Beulich <jbeulich@...ell.com> Cc: Andi Kleen <ak@....de> diff -r ea4549dd86a4 include/asm-i386/percpu.h --- a/include/asm-i386/percpu.h Tue Oct 10 16:36:02 2006 -0700 +++ b/include/asm-i386/percpu.h Tue Oct 10 16:37:59 2006 -0700 @@ -19,8 +19,7 @@ */ #ifdef CONFIG_SMP #define PER_CPU(var, cpu) \ - shll $2, cpu; \ - movl __per_cpu_offset(cpu), cpu; \ + movl __per_cpu_offset(,cpu,4), cpu; \ addl $per_cpu__/**/var, cpu; #else /* ! SMP */ #define PER_CPU(var, cpu) \ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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