[PATCH v2 15/17] powerpc/32: Remove MSR_PR test when returning from syscall

Christophe Leroy christophe.leroy at c-s.fr
Sat Mar 30 03:38:37 AEDT 2019


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 <christophe.leroy at c-s.fr>
---
 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



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