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| author | Johan Hovold <johan+linaro@kernel.org> | 2023-02-13 13:42:46 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2023-02-13 22:31:24 +0300 |
| commit | 6e6f75c9c98d2d246d90411ff2b6f0cd271f4cba (patch) | |
| tree | 69c5064fe63939fd1490edf68b343a18a757f9b7 /scripts/gdb/linux/utils.py | |
| parent | e3b7ab025e931accdc2c12acf9b75c6197f1c062 (diff) | |
| download | linux-6e6f75c9c98d2d246d90411ff2b6f0cd271f4cba.tar.xz | |
irqdomain: Look for existing mapping only once
Avoid looking for an existing mapping twice when creating a new mapping
using irq_create_fwspec_mapping() by factoring out the actual allocation
which is shared with irq_create_mapping_affinity().
The new helper function will also be used to fix a shared-interrupt
mapping race, hence the Fixes tag.
Fixes: b62b2cf5759b ("irqdomain: Fix handling of type settings for existing mappings")
Cc: stable@vger.kernel.org # 4.8
Tested-by: Hsin-Yi Wang <hsinyi@chromium.org>
Tested-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20230213104302.17307-5-johan+linaro@kernel.org
Diffstat (limited to 'scripts/gdb/linux/utils.py')
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