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powerpc/64: entry cpu time accounting in C

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There is no need for this to be in asm, use the new interrupt entry wrapper.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-39-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2021-01-30 23:08:48 +10:00 • committed by Michael Ellerman
parent 2994e1babf
commit 56acfdd8bf
4 changed files with 6 additions and 30 deletions
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6
arch/powerpc/include/asm/interrupt.h
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@ -4,6 +4,7 @@
#include <linux/context_tracking.h>
#include <linux/hardirq.h>
#include <asm/cputime.h>
#include <asm/ftrace.h>
struct interrupt_state {
@ -25,6 +26,9 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs, struct interrup
if (user_mode(regs)) {
CT_WARN_ON(ct_state() != CONTEXT_USER);
user_exit_irqoff();
account_cpu_user_entry();
account_stolen_time();
} else {
/*
* CT_WARN_ON comes here via program_check_exception,
@ -37,6 +41,8 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs, struct interrup
#ifdef CONFIG_PPC_BOOK3E_64
state->ctx_state = exception_enter();
if (user_mode(regs))
account_cpu_user_entry();
#endif
}