ARM: entry: avoid clobbering R9 in IRQ handler

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Avoid using R9 in the IRQ handler code, as the entry code uses it for
tsk, and expects it to remain untouched between the IRQ entry and exit
code.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

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Ard Biesheuvel 2022-01-24 19:36:03 +01:00

parent 75fa4adc4f

commit aa0a20f521

1 changed files with 4 additions and 5 deletions

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arch/arm/kernel/entry-armv.S

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