android/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ANDROID: kvm: arm64: Clarify the comment for SPE save context

Browse Source 
Make the comment in line with the upstream version.

Bug: 174685394
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Change-Id: I8c239d37c96c0c8de1261df6d2a5a2defd43ccfb
This commit is contained in:
Suzuki K Poulose 2021-04-26 13:26:14 +01:00 committed by Todd Kjos
parent ee7e80c81b
commit ce71010347
1 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/arm64/kvm/hyp/nvhe/switch.c
View File

@ -193,12 +193,11 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
__sysreg_save_state_nvhe(host_ctxt);
/*
* For nVHE, we must save and disable any SPE
* buffers, as the translation regime is going
* to be loaded with that of the guest. And we must
* save host context for SPE, before we change the
* ownership to EL2 (via MDCR_EL2_E2PB == 0) and before
* we load guest Stage1.
* We must flush and disable the SPE buffer for nVHE, as
* the translation regime(EL1&0) is going to be loaded with
* that of the guest. And we must do this before we change the
* translation regime to EL2 (via MDCR_EL2_E2PB == 0) and
* before we load guest Stage1.
*/
__debug_save_host_buffers_nvhe(vcpu);