diff options
| author |   Nicholas Piggin <npiggin@gmail.com> | 2022-09-26 15:42:59 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-09-28 19:22:11 +1000 |
| commit | 56adbb7a8b6cc7fc9b940829c38494e53c9e57d1 (patch) | |
| tree | 71e68a2fc75357f7ccf7a8e262dbe88ac4104515 /arch/powerpc/include/asm | |
| parent | powerpc/64s: Enable KFENCE on book3s64 (diff) | |
| download | linux-dev-56adbb7a8b6cc7fc9b940829c38494e53c9e57d1.tar.xz linux-dev-56adbb7a8b6cc7fc9b940829c38494e53c9e57d1.zip | |
powerpc/64/interrupt: Fix false warning in context tracking due to idle state
Commit 171476775d32 ("context_tracking: Convert state to atomic_t")
added a CONTEXT_IDLE state which can be encountered by interrupts from
kernel mode in the idle thread, causing a false positive warning.
Fixes: 171476775d32 ("context_tracking: Convert state to atomic_t")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220926054305.2671436-2-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/interrupt.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h index 0d3405bd55c4..73031783bb1e 100644 --- a/arch/powerpc/include/asm/interrupt.h +++ b/arch/powerpc/include/asm/interrupt.h @@ -195,7 +195,8 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs) * so avoid recursion. */ if (TRAP(regs) != INTERRUPT_PROGRAM) { - CT_WARN_ON(ct_state() != CONTEXT_KERNEL); + CT_WARN_ON(ct_state() != CONTEXT_KERNEL && + ct_state() != CONTEXT_IDLE); if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) BUG_ON(is_implicit_soft_masked(regs)); } |