xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sh: move fpu_counter into ARCH specific thread_struct

Browse Source 
Only a couple of arches (sh/x86) use fpu_counter in task_struct so it can
be moved out into ARCH specific thread_struct, reducing the size of
task_struct for other arches.

Compile tested sh defconfig + sh4-linux-gcc (4.6.3)

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Paul Mundt <paul.mundt@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Vineet Gupta
2013-11-12 15:08:45 -08:00
committed by Linus Torvalds
parent 261adc9a60
commit 616c05d110
5 changed files with 25 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/sh/kernel/cpu/fpu.c
View File

@@ -44,7 +44,7 @@ void __fpu_state_restore(void)
restore_fpu(tsk);
task_thread_info(tsk)->status |= TS_USEDFPU;
tsk->fpu_counter++;
tsk->thread.fpu_counter++;
}
void fpu_state_restore(struct pt_regs *regs)