The patch titled
espfix: use scaling addressing mode rather than shifting in PER_CPU
has been removed from the -mm tree. Its filename is
i386-espfix-cleanup-tweak.patch
This patch was dropped because it was folded into i386-espfix-cleanup.patch
------------------------------------------------------
Subject: espfix: use scaling addressing mode rather than shifting in PER_CPU
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Use the x86 scaling addressing mode rather than shifting to multiply by 4
in PER_CPU().
Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Cc: Stas Sergeev <stsp@xxxxxxxx>
Cc: Zachary Amsden <zach@xxxxxxxxxx>
Cc: Chuck Ebbert <76306.1226@xxxxxxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/asm-i386/percpu.h | 3 +--
1 files changed, 1 insertion(+), 2 deletions(-)
diff -puN include/asm-i386/percpu.h~i386-espfix-cleanup-tweak include/asm-i386/percpu.h
--- a/include/asm-i386/percpu.h~i386-espfix-cleanup-tweak
+++ a/include/asm-i386/percpu.h
@@ -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) \
_
Patches currently in -mm which might be from jeremy@xxxxxxxx are
x86-remove-default_ldt-and-simplify-ldt-setting.patch
i386-espfix-cleanup.patch
i386-espfix-cleanup-tweak.patch
i386-use-asm-offsets-for-the-offsets-of-registers-into-the-pt_regs-struct-rather-than-having-hard-coded-constants.patch
i386-pda-basic-definitions-for-i386-pda.patch
i386-pda-initialize-the-per-cpu-data-area.patch
i386-pda-initialize-the-per-cpu-data-area-voyager-fix.patch
i386-pda-use-%gs-as-the-pda-base-segment-in-the-kernel.patch
i386-pda-fix-places-where-using-%gs-changes-the-usermode-abi.patch
i386-pda-update-sys_vm86-to-cope-with-changed-pt_regs-and-%gs-usage.patch
i386-pda-implement-smp_processor_id-with-the-pda.patch
i386-pda-implement-current-with-the-pda.patch
i386-pda-store-the-interrupt-regs-pointer-in-the-pda.patch
generic-bug-implementation.patch
generic-bug-for-i386.patch
generic-bug-for-x86-64.patch
uml-add-generic-bug-support.patch
use-generic-bug-for-ppc.patch
bug-test-1.patch
time-uninline-jiffiesh-fix.patch
-
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