[PATCH 02/14] KVM: arm64: Define a macro for storing a value inside a per_cpu variable
From: George-Aurelian Popescu <hidden>
Date: 2020-09-14 17:34:26
Also in:
kvmarm, linux-kbuild, lkml
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
From: George Popescu <redacted> Use the hyp_str_this_cpu assembly macro to store a value in a per_cpu variable. This macro is designed to be used inside of the hyp code. Signed-off-by: George Popescu <redacted> --- arch/arm64/include/asm/kvm_asm.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h
index 6f98fbd0ac81..200bb8d0a720 100644
--- a/arch/arm64/include/asm/kvm_asm.h
+++ b/arch/arm64/include/asm/kvm_asm.h@@ -211,6 +211,11 @@ extern char __smccc_workaround_1_smc[__SMCCC_WORKAROUND_1_SMC_SZ]; ldr \reg, [\reg, \tmp] .endm +.macro hyp_str_this_cpu sym, reg, tmp1, tmp2 + hyp_adr_this_cpu \tmp1, \sym, \tmp2 + str \reg, [\tmp1] +.endm + .macro get_host_ctxt reg, tmp hyp_adr_this_cpu \reg, kvm_host_data, \tmp add \reg, \reg, #HOST_DATA_CONTEXT
--
2.28.0.618.gf4bc123cb7-goog
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