| Date | Tue, 25 Oct 2022 22:07:01 +0200 | From | Peter Zijlstra <> | Subject | [PATCH 5/5] x86/mm: Do verify W^X at boot up |
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Straight up revert of commit:
a970174d7a10 ("x86/mm: Do not verify W^X at boot up")
now that the root cause has been fixed.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- arch/x86/mm/pat/set_memory.c | 4 ---- 1 file changed, 4 deletions(-)
--- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -587,10 +587,6 @@ static inline pgprot_t verify_rwx(pgprot { unsigned long end; - /* Kernel text is rw at boot up */ - if (system_state == SYSTEM_BOOTING) - return new; - /* * 32-bit has some unfixable W+X issues, like EFI code * and writeable data being in the same page. Disable
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