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authorIngo Molnar <mingo@kernel.org>2018-07-17 10:27:43 +0300
committerIngo Molnar <mingo@kernel.org>2018-07-17 10:27:43 +0300
commit52b544bd386688177c41d53e748111c29d0ccc98 (patch)
treec2083582176e773084364af93cc44e0f94b6cde8 /arch/arm/crypto/speck-neon-core.S
parentafed7bcf9487bb28e2e2b016a195085c07416c0b (diff)
parent9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff)
downloadlinux-52b544bd386688177c41d53e748111c29d0ccc98.tar.xz
Merge tag 'v4.18-rc5' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/crypto/speck-neon-core.S')
-rw-r--r--arch/arm/crypto/speck-neon-core.S6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm/crypto/speck-neon-core.S b/arch/arm/crypto/speck-neon-core.S
index 3c1e203e53b9..57caa742016e 100644
--- a/arch/arm/crypto/speck-neon-core.S
+++ b/arch/arm/crypto/speck-neon-core.S
@@ -272,9 +272,11 @@
* Allocate stack space to store 128 bytes worth of tweaks. For
* performance, this space is aligned to a 16-byte boundary so that we
* can use the load/store instructions that declare 16-byte alignment.
+ * For Thumb2 compatibility, don't do the 'bic' directly on 'sp'.
*/
- sub sp, #128
- bic sp, #0xf
+ sub r12, sp, #128
+ bic r12, #0xf
+ mov sp, r12
.if \n == 64
// Load first tweak