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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-31 10:44:28 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-31 10:44:28 +0300 |
| commit | 910cc9537302caddc9777cf3ae2f5582730380c9 (patch) | |
| tree | 0dd42f4dd712fb6901b4f8c12f85508a7ad5b1ef /arch/powerpc/include/asm/interrupt.h | |
| parent | fad92b11047a748c996ebd6cfb164a63814eeb2e (diff) | |
| parent | 8124c8a6b35386f73523d27eacb71b5364a68c4c (diff) | |
| download | linux-910cc9537302caddc9777cf3ae2f5582730380c9.tar.xz | |
Merge 5.13-rc4 into tty-next
We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/include/asm/interrupt.h')
| -rw-r--r-- | arch/powerpc/include/asm/interrupt.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h index 44cde2e129b8..59f704408d65 100644 --- a/arch/powerpc/include/asm/interrupt.h +++ b/arch/powerpc/include/asm/interrupt.h @@ -153,8 +153,6 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs, struct interrup */ static inline void interrupt_exit_prepare(struct pt_regs *regs, struct interrupt_state *state) { - if (user_mode(regs)) - kuep_unlock(); } static inline void interrupt_async_enter_prepare(struct pt_regs *regs, struct interrupt_state *state) @@ -222,6 +220,13 @@ static inline void interrupt_nmi_enter_prepare(struct pt_regs *regs, struct inte local_paca->irq_soft_mask = IRQS_ALL_DISABLED; local_paca->irq_happened |= PACA_IRQ_HARD_DIS; + if (IS_ENABLED(CONFIG_PPC_BOOK3S_64) && !(regs->msr & MSR_PR) && + regs->nip < (unsigned long)__end_interrupts) { + // Kernel code running below __end_interrupts is + // implicitly soft-masked. + regs->softe = IRQS_ALL_DISABLED; + } + /* Don't do any per-CPU operations until interrupt state is fixed */ if (nmi_disables_ftrace(regs)) { |