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| author | David Brazdil <dbrazdil@google.com> | 2020-06-25 16:14:07 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-07-05 20:37:48 +0300 |
| commit | 7b2399ea5640b2e5f576af08b91091a26f240ea4 (patch) | |
| tree | c18e344fc0b220621b47085aaa3a60c653b10c4e /arch/arm64/kvm/hyp/hyp-entry.S | |
| parent | b38b298aa4397e2dc74a89b4dd3eac9e59b64c96 (diff) | |
| download | linux-7b2399ea5640b2e5f576af08b91091a26f240ea4.tar.xz | |
KVM: arm64: Move __smccc_workaround_1_smc to .rodata
This snippet of assembly is used by cpu_errata.c to overwrite parts of KVM hyp
vector. Move it to its own source file and change its ELF section to .rodata.
Signed-off-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200625131420.71444-3-dbrazdil@google.com
Diffstat (limited to 'arch/arm64/kvm/hyp/hyp-entry.S')
| -rw-r--r-- | arch/arm64/kvm/hyp/hyp-entry.S | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index 9c5cfb04170e..d362fad97cc8 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -318,20 +318,4 @@ SYM_CODE_START(__bp_harden_hyp_vecs) 1: .org __bp_harden_hyp_vecs + __BP_HARDEN_HYP_VECS_SZ .org 1b SYM_CODE_END(__bp_harden_hyp_vecs) - - .popsection - -SYM_CODE_START(__smccc_workaround_1_smc) - esb - sub sp, sp, #(8 * 4) - stp x2, x3, [sp, #(8 * 0)] - stp x0, x1, [sp, #(8 * 2)] - mov w0, #ARM_SMCCC_ARCH_WORKAROUND_1 - smc #0 - ldp x2, x3, [sp, #(8 * 0)] - ldp x0, x1, [sp, #(8 * 2)] - add sp, sp, #(8 * 4) -1: .org __smccc_workaround_1_smc + __SMCCC_WORKAROUND_1_SMC_SZ - .org 1b -SYM_CODE_END(__smccc_workaround_1_smc) #endif |