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| author | Mark Rutland <mark.rutland@arm.com> | 2020-12-02 13:15:54 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2020-12-02 19:49:11 +0000 |
| commit | 7b90dc40e36e0beb0fdecfef80f33a2e88aced14 (patch) | |
| tree | 3ff70ac9a77e6d2b480b7e7e1a7ddcd97847529a /arch/arm64/lib/clear_user.S | |
| parent | fc703d80130b1c9d6783f4cbb9516fd5fe4a750d (diff) | |
| download | linux-7b90dc40e36e0beb0fdecfef80f33a2e88aced14.tar.bz2 | |
arm64: uaccess cleanup macro naming
Now the uaccess primitives use LDTR/STTR unconditionally, the
uao_{ldp,stp,user_alternative} asm macros are misnamed, and have a
redundant argument. Let's remove the redundant argument and rename these
to user_{ldp,stp,ldst} respectively to clean this up.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Robin Murohy <robin.murphy@arm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20201202131558.39270-9-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/lib/clear_user.S')
| -rw-r--r-- | arch/arm64/lib/clear_user.S | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm64/lib/clear_user.S b/arch/arm64/lib/clear_user.S index 48a3a26eff66..af9afcbec92c 100644 --- a/arch/arm64/lib/clear_user.S +++ b/arch/arm64/lib/clear_user.S @@ -24,20 +24,20 @@ SYM_FUNC_START(__arch_clear_user) subs x1, x1, #8 b.mi 2f 1: -uao_user_alternative 9f, str, sttr, xzr, x0, 8 +user_ldst 9f, sttr, xzr, x0, 8 subs x1, x1, #8 b.pl 1b 2: adds x1, x1, #4 b.mi 3f -uao_user_alternative 9f, str, sttr, wzr, x0, 4 +user_ldst 9f, sttr, wzr, x0, 4 sub x1, x1, #4 3: adds x1, x1, #2 b.mi 4f -uao_user_alternative 9f, strh, sttrh, wzr, x0, 2 +user_ldst 9f, sttrh, wzr, x0, 2 sub x1, x1, #2 4: adds x1, x1, #1 b.mi 5f -uao_user_alternative 9f, strb, sttrb, wzr, x0, 0 +user_ldst 9f, sttrb, wzr, x0, 0 5: mov x0, #0 ret SYM_FUNC_END(__arch_clear_user) |