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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-07-04 14:46:11 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-07-04 14:46:11 -0700 |
| commit | 9bc0b029a8889f2c67c988760aba66a8d7b22af5 (patch) | |
| tree | d27cd1b860e00329515d59c57f42e40119f419c8 | |
| parent | ec84c3f6ef710661c8d14e3f63e540b795dc0a51 (diff) | |
| parent | 19ab500edb5d6020010caba48ce3b4ce4182ab63 (diff) | |
| download | linux-9bc0b029a8889f2c67c988760aba66a8d7b22af5.tar.bz2 | |
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
| -rw-r--r-- | arch/powerpc/mm/book3s64/pkeys.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/powerpc/mm/book3s64/pkeys.c b/arch/powerpc/mm/book3s64/pkeys.c index 1199fc2bfaec..ca5fcb4bff32 100644 --- a/arch/powerpc/mm/book3s64/pkeys.c +++ b/arch/powerpc/mm/book3s64/pkeys.c @@ -353,9 +353,6 @@ static bool pkey_access_permitted(int pkey, bool write, bool execute) int pkey_shift; u64 amr; - if (!is_pkey_enabled(pkey)) - return true; - pkey_shift = pkeyshift(pkey); if (execute && !(read_iamr() & (IAMR_EX_BIT << pkey_shift))) return true; |