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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2023-04-24 13:31:56 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2023-05-16 12:59:28 +0300 |
| commit | 3d6a0e4197c04599d75d85a608c8bb16a630a38c (patch) | |
| tree | 7e4f92d130aa88dde31f161b77e89c1c61f6c0a5 /mm | |
| parent | 2c6c9c049510163090b979ea5f92a68ae8d93c45 (diff) | |
| download | linux-3d6a0e4197c04599d75d85a608c8bb16a630a38c.tar.xz | |
irqchip/mips-gic: Use raw spinlock for gic_lock
Since we may hold gic_lock in hardirq context, use raw spinlock
makes more sense given that it is for low-level interrupt handling
routine and the critical section is small.
Fixes BUG:
[ 0.426106] =============================
[ 0.426257] [ BUG: Invalid wait context ]
[ 0.426422] 6.3.0-rc7-next-20230421-dirty #54 Not tainted
[ 0.426638] -----------------------------
[ 0.426766] swapper/0/1 is trying to lock:
[ 0.426954] ffffffff8104e7b8 (gic_lock){....}-{3:3}, at: gic_set_type+0x30/08
Fixes: 95150ae8b330 ("irqchip: mips-gic: Implement irq_set_type callback")
Cc: stable@vger.kernel.org
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230424103156.66753-3-jiaxun.yang@flygoat.com
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions