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crypto: arm64/ghash-ce - use frame_push/pop macros consistently
author
Ard Biesheuvel
<ardb@kernel.org>
Tue, 29 Nov 2022 16:48:52 +0000
(17:48 +0100)
committer
Herbert Xu
<herbert@gondor.apana.org.au>
Fri, 9 Dec 2022 10:45:00 +0000
(18:45 +0800)
Use the frame_push and frame_pop macros to set up the stack frame so
that return address protections will be enabled automically when
configured.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
arch/arm64/crypto/ghash-ce-core.S
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diff --git
a/arch/arm64/crypto/ghash-ce-core.S
b/arch/arm64/crypto/ghash-ce-core.S
index
ebe5558
..
23ee9a5
100644
(file)
--- a/
arch/arm64/crypto/ghash-ce-core.S
+++ b/
arch/arm64/crypto/ghash-ce-core.S
@@
-436,9
+436,7
@@
SYM_FUNC_END(pmull_ghash_update_p8)
.align 6
.macro pmull_gcm_do_crypt, enc
- stp x29, x30, [sp, #-32]!
- mov x29, sp
- str x19, [sp, #24]
+ frame_push 1
load_round_keys x7, x6, x8
@@
-529,7
+527,7
@@
CPU_LE( rev w8, w8 )
.endif
bne 0b
-3: ld
p x19, x10, [sp, #24
]
+3: ld
r x10, [sp, #.Lframe_local_offset
]
cbz x10, 5f // output tag?
ld1 {INP3.16b}, [x10] // load lengths[]
@@
-562,7
+560,7
@@
CPU_LE( rev w8, w8 )
smov w0, v0.b[0] // return b0
.endif
-4:
ldp x29, x30, [sp], #32
+4:
frame_pop
ret
5: