tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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Merge tag 'powerpc-5.8-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
"One fix for a regression in our pkey handling, which exhibits as
PROT_EXEC mappings taking continuous page faults.

Thanks to: Jan Stancek, Aneesh Kumar K.V"

* tag 'powerpc-5.8-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/mm/pkeys: Make pkey access check work on execute_only_key

Linus Torvalds 9bc0b029 ec84c3f6

-3
-3
arch/powerpc/mm/book3s64/pkeys.c
··· 353 353 int pkey_shift; 354 354 u64 amr; 355 355 356 - if (!is_pkey_enabled(pkey)) 357 - return true; 358 - 359 356 pkey_shift = pkeyshift(pkey); 360 357 if (execute && !(read_iamr() & (IAMR_EX_BIT << pkey_shift))) 361 358 return true;