Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH] powerpc/32: Fix hardlockup on vmap stack overflow | Date | Thu, 25 Nov 2021 20:34:36 +1100 |
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On Thu, 18 Nov 2021 10:39:53 +0100, Christophe Leroy wrote: > Since the commit c118c7303ad5 ("powerpc/32: Fix vmap stack - Do not > activate MMU before reading task struct") a vmap stack overflow > results in a hard lockup. This is because emergency_ctx is still > addressed with its virtual address allthough data MMU is not active > anymore at that time. > > Fix it by using a physical address instead. > > [...]
Applied to powerpc/fixes.
[1/1] powerpc/32: Fix hardlockup on vmap stack overflow https://git.kernel.org/powerpc/c/5bb60ea611db1e04814426ed4bd1c95d1487678e
cheers
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