diff mbox series

[4/4] crypto: arm64/ghash-ce - use frame_push/pop macros consistently

Message ID 20221129164852.2051561-5-ardb@kernel.org
State Accepted
Commit a428636d4c827ebe967aa31a83684b4c8e742ed1
Headers show
Series crypto: arm64 - use frame_push/pop macros | expand

Commit Message

Ard Biesheuvel Nov. 29, 2022, 4:48 p.m. UTC 
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>
---
 arch/arm64/crypto/ghash-ce-core.S | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm64/crypto/ghash-ce-core.S b/arch/arm64/crypto/ghash-ce-core.S
index ebe5558929b7bba6..23ee9a5eaf27c23c 100644
--- 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:	ldp		x19, x10, [sp, #24]
+3:	ldr		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: