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path: root/arch/arm64/include/asm/asm_pointer_auth.h
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Diffstat (limited to 'arch/arm64/include/asm/asm_pointer_auth.h')
-rw-r--r--arch/arm64/include/asm/asm_pointer_auth.h20
1 files changed, 1 insertions, 19 deletions
diff --git a/arch/arm64/include/asm/asm_pointer_auth.h b/arch/arm64/include/asm/asm_pointer_auth.h
index 52dead2a8640..8ca2dc0661ee 100644
--- a/arch/arm64/include/asm/asm_pointer_auth.h
+++ b/arch/arm64/include/asm/asm_pointer_auth.h
@@ -13,30 +13,12 @@
* so use the base value of ldp as thread.keys_user and offset as
* thread.keys_user.ap*.
*/
- .macro ptrauth_keys_install_user tsk, tmp1, tmp2, tmp3
+ .macro __ptrauth_keys_install_user tsk, tmp1, tmp2, tmp3
mov \tmp1, #THREAD_KEYS_USER
add \tmp1, \tsk, \tmp1
-alternative_if_not ARM64_HAS_ADDRESS_AUTH
- b .Laddr_auth_skip_\@
-alternative_else_nop_endif
ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APIA]
msr_s SYS_APIAKEYLO_EL1, \tmp2
msr_s SYS_APIAKEYHI_EL1, \tmp3
- ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APIB]
- msr_s SYS_APIBKEYLO_EL1, \tmp2
- msr_s SYS_APIBKEYHI_EL1, \tmp3
- ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APDA]
- msr_s SYS_APDAKEYLO_EL1, \tmp2
- msr_s SYS_APDAKEYHI_EL1, \tmp3
- ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APDB]
- msr_s SYS_APDBKEYLO_EL1, \tmp2
- msr_s SYS_APDBKEYHI_EL1, \tmp3
-.Laddr_auth_skip_\@:
-alternative_if ARM64_HAS_GENERIC_AUTH
- ldp \tmp2, \tmp3, [\tmp1, #PTRAUTH_USER_KEY_APGA]
- msr_s SYS_APGAKEYLO_EL1, \tmp2
- msr_s SYS_APGAKEYHI_EL1, \tmp3
-alternative_else_nop_endif
.endm
.macro __ptrauth_keys_install_kernel_nosync tsk, tmp1, tmp2, tmp3