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SubjectRe: [PATCH] powerpc/8xx: Fix clearing of bits 20-23 in ITLB miss
On Sun, 2020-02-09 at 18:14:42 UTC, Christophe Leroy wrote:
> In ITLB miss handled the line supposed to clear bits 20-23 on the
> L2 ITLB entry is buggy and does indeed nothing, leading to undefined
> value which could allow execution when it shouldn't.
> Properly do the clearing with the relevant instruction.
> Fixes: 74fabcadfd43 ("powerpc/8xx: don't use r12/SPRN_SPRG_SCRATCH2 in TLB Miss handlers")
> Cc:
> Signed-off-by: Christophe Leroy <>

Applied to powerpc fixes, thanks.


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