Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH v2] powerpc/8xx: Fix STRICT_KERNEL_RWX startup test failure | Date | Sun, 26 Apr 2020 09:51:17 +1000 (AEST) |
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On Mon, 2020-04-20 at 05:37:42 UTC, Christophe Leroy wrote: > WRITE_RO lkdtm test works. > > But when selecting CONFIG_DEBUG_RODATA_TEST, the kernel reports > rodata_test: test data was not read only > > This is because when rodata test runs, there are still old entries > in TLB. > > Flush TLB after setting kernel pages RO or NX. > > Fixes: d5f17ee96447 ("powerpc/8xx: don't disable large TLBs with CONFIG_STRICT_KERNEL_RWX") > Cc: stable@vger.kernel.org > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/b61c38baa98056d4802ff5be5cfb979efc2d0f7a
cheers
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