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UPSTREAM: KVM: arm64: Simplify __kvm_enable_ssbs()

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Move the setting of SSBS directly into the HVC handler, using
the C helpers rather than the inline asssembly code.

Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
(cherry picked from commit 29052f1b92f2bcb0419c544459f4c919bfb20898)
Signed-off-by: Will Deacon <willdeacon@google.com>
Change-Id: I0aa6e026e812bdbe52d5dd307f21d6e96d1aa76b
Bug: 178098380
Test: atest VirtualizationHostTestCases on an EL2-enabled device
This commit is contained in:
Marc Zyngier
2020-10-21 21:52:54 +01:00
committed by Will Deacon
parent 2024e32b76
commit d050bf88a5
4 changed files with 6 additions and 14 deletions
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1
arch/arm64/include/asm/sysreg.h
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@@ -465,6 +465,7 @@
#define SYS_PMCCFILTR_EL0 sys_reg(3, 3, 14, 15, 7)
#define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0)
#define SYS_ZCR_EL2 sys_reg(3, 4, 1, 2, 0)
#define SYS_DACR32_EL2 sys_reg(3, 4, 3, 0, 0)
#define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0)