diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2022-09-26 15:42:59 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-10-21 12:38:57 +0200 |
| commit | 387df471e2a3b947f2d2678a0161ba0107732a47 (patch) | |
| tree | d169311702d206778b7ddaec2bc943b5a985098f /arch/powerpc | |
| parent | 98d43d681c39ebe5fae11ef68bf1be8a20c1d3fb (diff) | |
| download | linux-stable-387df471e2a3b947f2d2678a0161ba0107732a47.tar.gz linux-stable-387df471e2a3b947f2d2678a0161ba0107732a47.tar.bz2 linux-stable-387df471e2a3b947f2d2678a0161ba0107732a47.zip | |
powerpc/64/interrupt: Fix false warning in context tracking due to idle state
[ Upstream commit 56adbb7a8b6cc7fc9b940829c38494e53c9e57d1 ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch/powerpc')
| -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 8069dbc4b8d1..b61555e30c7c 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)); } |