diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2019-08-02 12:57:01 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2019-08-30 03:14:59 +0200 |
| commit | 9b123d1ea23701bc00ebf712f1e03b25b8195eeb (patch) | |
| tree | 1eb827c65b007de64f8aa9ffff05a698277ba02d /arch/powerpc/mm/book3s64/hash_utils.c | |
| parent | powerpc/64s/exception: Remove pointless KVM handler name bifurcation (diff) | |
| download | linux-9b123d1ea23701bc00ebf712f1e03b25b8195eeb.tar.xz linux-9b123d1ea23701bc00ebf712f1e03b25b8195eeb.zip | |
powerpc/64s/exception: reduce page fault unnecessary loads
This avoids 3 loads in the radix page fault case, 1 load in the
hash fault case, and 2 loads in the hash miss page fault case.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190802105709.27696-37-npiggin@gmail.com
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/mm/book3s64/hash_utils.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c index 4d0bb194ed70..fe99bba39b69 100644 --- a/arch/powerpc/mm/book3s64/hash_utils.c +++ b/arch/powerpc/mm/book3s64/hash_utils.c @@ -1462,8 +1462,8 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap, } EXPORT_SYMBOL_GPL(hash_page); -int __hash_page(unsigned long ea, unsigned long msr, unsigned long trap, - unsigned long dsisr) +int __hash_page(unsigned long trap, unsigned long ea, unsigned long dsisr, + unsigned long msr) { unsigned long access = _PAGE_PRESENT | _PAGE_READ; unsigned long flags = 0; |