xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

KVM: arm64: Rework detection of SVE, !VHE systems

Browse Source 
An SVE system is so far the only case where we mandate VHE. As we're
starting to grow this requirements, let's slightly rework the way we
deal with that situation, allowing for easy extension of this check.

Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Reviewed-by: James Morse <james.morse@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Marc Zyngier
2018-12-06 17:31:20 +00:00
committed by Will Deacon
parent c987876a80
commit 33e5f4e509
3 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm64/include/asm/kvm_host.h
View File

@@ -422,7 +422,7 @@ static inline void __cpu_init_hyp_mode(phys_addr_t pgd_ptr,
}
}
static inline bool kvm_arch_check_sve_has_vhe(void)
static inline bool kvm_arch_requires_vhe(void)
{
/*
* The Arm architecture specifies that implementation of SVE
@@ -430,9 +430,9 @@ static inline bool kvm_arch_check_sve_has_vhe(void)
* relies on this when SVE is present:
*/
if (system_supports_sve())
return has_vhe();
else
return true;
return false;
}
static inline void kvm_arch_hardware_unsetup(void) {}