[PATCH v2 15/17] powerpc/32: Remove MSR_PR test when returning from syscall
From: Christophe Leroy <hidden>
Date: 2019-03-29 16:39:02
Also in:
lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
syscalls are from user only, so we can account time without checking whether returning to kernel or user as it will only be user. Signed-off-by: Christophe Leroy <redacted> --- arch/powerpc/kernel/entry_32.S | 5 ----- 1 file changed, 5 deletions(-)
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 5f52a71c2838..edd119d3c52b 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S@@ -463,12 +463,7 @@ BEGIN_FTR_SECTION lwarx r7,0,r1 END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX) stwcx. r0,0,r1 /* to clear the reservation */ -#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE - andi. r4,r8,MSR_PR - beq 3f ACCOUNT_CPU_USER_EXIT(r2, r5, r7) -3: -#endif lwz r4,_LINK(r1) lwz r5,_CCR(r1) mtlr r4
--
2.13.3