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powerpc/32: Remove MSR_PR test when returning from syscall 

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@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2019-03-11 08:30:30 +00:00 committed by Michael Ellerman
parent 5e5be3aed2
commit e291b6d575
1 changed files with 0 additions and 5 deletions
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5
arch/powerpc/kernel/entry_32.S
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@ -422,12 +422,7 @@ BEGIN_FTR_SECTION
lwarx r7,0,r1 lwarx r7,0,r1
END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX) END_FTR_SECTION_IFSET(CPU_FTR_NEED_PAIRED_STWCX)
stwcx. r0,0,r1 /* to clear the reservation */ 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) ACCOUNT_CPU_USER_EXIT(r2, r5, r7)
3:
#endif
lwz r4,_LINK(r1) lwz r4,_LINK(r1)
lwz r5,_CCR(r1) lwz r5,_CCR(r1)
mtlr r4 mtlr r4