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authorChristophe Leroy <christophe.leroy@csgroup.eu>2021-03-09 12:09:26 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2021-03-12 11:02:12 +1100
commit0b736881c8f1a6cd912f7a9162b9e097b28c1c30 (patch)
treeb4ce4747259fea94964b96c5e0c37bed158d0e65 /arch
parentbd73758803c2eedc037c2268b65a19542a832594 (diff)
powerpc/traps: unrecoverable_exception() is not an interrupt handler
unrecoverable_exception() is called from interrupt handlers or after an interrupt handler has failed. Make it a standard function to avoid doubling the actions performed on interrupt entry (e.g.: user time accounting). Fixes: 3a96570ffceb ("powerpc: convert interrupt handlers to use wrappers") Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/ae96c59fa2cb7f24a8929c58cfa2c909cb8ff1f1.1615291471.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/interrupt.h3
-rw-r--r--arch/powerpc/kernel/interrupt.c1
-rw-r--r--arch/powerpc/kernel/traps.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h
index aedfba29e43a..e8d09a841373 100644
--- a/arch/powerpc/include/asm/interrupt.h
+++ b/arch/powerpc/include/asm/interrupt.h
@@ -410,7 +410,6 @@ DECLARE_INTERRUPT_HANDLER(altivec_assist_exception);
DECLARE_INTERRUPT_HANDLER(CacheLockingException);
DECLARE_INTERRUPT_HANDLER(SPEFloatingPointException);
DECLARE_INTERRUPT_HANDLER(SPEFloatingPointRoundException);
-DECLARE_INTERRUPT_HANDLER(unrecoverable_exception);
DECLARE_INTERRUPT_HANDLER(WatchdogException);
DECLARE_INTERRUPT_HANDLER(kernel_bad_stack);
@@ -437,6 +436,8 @@ DECLARE_INTERRUPT_HANDLER_NMI(hmi_exception_realmode);
DECLARE_INTERRUPT_HANDLER_ASYNC(TAUException);
+void unrecoverable_exception(struct pt_regs *regs);
+
void replay_system_reset(void);
void replay_soft_interrupts(void);
diff --git a/arch/powerpc/kernel/interrupt.c b/arch/powerpc/kernel/interrupt.c
index 2ef3c4051bb9..c475a229a42a 100644
--- a/arch/powerpc/kernel/interrupt.c
+++ b/arch/powerpc/kernel/interrupt.c
@@ -436,7 +436,6 @@ again:
return ret;
}
-void unrecoverable_exception(struct pt_regs *regs);
void preempt_schedule_irq(void);
notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs, unsigned long msr)
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 1583fd1c6010..a44a30b0688c 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -2170,7 +2170,7 @@ DEFINE_INTERRUPT_HANDLER(SPEFloatingPointRoundException)
* in the MSR is 0. This indicates that SRR0/1 are live, and that
* we therefore lost state by taking this exception.
*/
-DEFINE_INTERRUPT_HANDLER(unrecoverable_exception)
+void unrecoverable_exception(struct pt_regs *regs)
{
pr_emerg("Unrecoverable exception %lx at %lx (msr=%lx)\n",
regs->trap, regs->nip, regs->msr);