parisc: Check for valid stride size for cache flushes

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Report if the calculated cache stride size is zero, otherwise the cache
flushing routine will never finish and hang the machine.
This can be reproduced with a testcase in qemu, where the firmware reports
wrong cache values.

Signed-off-by: Helge Deller <deller@gmx.de>

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Helge Deller 2024-01-17 17:46:43 +01:00

parent 2751153b99

commit b9402e3b97

1 changed files with 4 additions and 0 deletions

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arch/parisc/kernel/cache.c

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