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authorPaul Gortmaker <paul.gortmaker@windriver.com>2013-06-17 23:43:14 +0400
committerPaul Gortmaker <paul.gortmaker@windriver.com>2013-07-15 03:36:52 +0400
commit8bd26e3a7e49af2697449bbcb7187a39dc85d672 (patch)
tree60f8d1ac6596d4e51a6f2959ca4fe4e10989a8f1 /arch/arm/mach-sti
parent078a55fc824c1633b3a507e4ad48b4637c1dfc18 (diff)
downloadlinux-8bd26e3a7e49af2697449bbcb7187a39dc85d672.tar.xz
arm: delete __cpuinit/__CPUINIT usage from all ARM users
The __cpuinit type of throwaway sections might have made sense some time ago when RAM was more constrained, but now the savings do not offset the cost and complications. For example, the fix in commit 5e427ec2d0 ("x86: Fix bit corruption at CPU resume time") is a good example of the nasty type of bugs that can be created with improper use of the various __init prefixes. After a discussion on LKML[1] it was decided that cpuinit should go the way of devinit and be phased out. Once all the users are gone, we can then finally remove the macros themselves from linux/init.h. Note that some harmless section mismatch warnings may result, since notify_cpu_starting() and cpu_up() are arch independent (kernel/cpu.c) and are flagged as __cpuinit -- so if we remove the __cpuinit from the arch specific callers, we will also get section mismatch warnings. As an intermediate step, we intend to turn the linux/init.h cpuinit related content into no-ops as early as possible, since that will get rid of these warnings. In any case, they are temporary and harmless. This removes all the ARM uses of the __cpuinit macros from C code, and all __CPUINIT from assembly code. It also had two ".previous" section statements that were paired off against __CPUINIT (aka .section ".cpuinit.text") that also get removed here. [1] https://lkml.org/lkml/2013/5/20/589 Cc: Russell King <linux@arm.linux.org.uk> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'arch/arm/mach-sti')
-rw-r--r--arch/arm/mach-sti/platsmp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mach-sti/platsmp.c b/arch/arm/mach-sti/platsmp.c
index 977a863468fc..dce50d983a8e 100644
--- a/arch/arm/mach-sti/platsmp.c
+++ b/arch/arm/mach-sti/platsmp.c
@@ -27,7 +27,7 @@
#include "smp.h"
-static void __cpuinit write_pen_release(int val)
+static void write_pen_release(int val)
{
pen_release = val;
smp_wmb();
@@ -37,7 +37,7 @@ static void __cpuinit write_pen_release(int val)
static DEFINE_SPINLOCK(boot_lock);
-void __cpuinit sti_secondary_init(unsigned int cpu)
+void sti_secondary_init(unsigned int cpu)
{
trace_hardirqs_off();
@@ -54,7 +54,7 @@ void __cpuinit sti_secondary_init(unsigned int cpu)
spin_unlock(&boot_lock);
}
-int __cpuinit sti_boot_secondary(unsigned int cpu, struct task_struct *idle)
+int sti_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
unsigned long timeout;