diff options
| author | Andrew Scull <ascull@google.com> | 2020-09-15 13:46:33 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-09-15 20:39:02 +0300 |
| commit | 7c2e76d87f9ce7af47a07ca803343fd5f4aa4ab5 (patch) | |
| tree | 13bf47fd812c692ec0511ef40fd8fd104f038aeb /arch/arm64/kvm | |
| parent | b619d9aa8b385bdab747df596961d8fdddde4d52 (diff) | |
| download | linux-7c2e76d87f9ce7af47a07ca803343fd5f4aa4ab5.tar.xz | |
KVM: arm64: Update context references from host to hyp
Hyp now has its own nominal context for saving and restoring its state
when switching to and from a guest. Update the related comments and
utilities to match the new name.
Signed-off-by: Andrew Scull <ascull@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200915104643.2543892-10-ascull@google.com
Diffstat (limited to 'arch/arm64/kvm')
| -rw-r--r-- | arch/arm64/kvm/hyp/entry.S | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S index 9551d7f186da..38cca690a6ff 100644 --- a/arch/arm64/kvm/hyp/entry.S +++ b/arch/arm64/kvm/hyp/entry.S @@ -66,16 +66,16 @@ SYM_FUNC_START(__guest_enter) hyp_adr_this_cpu x1, kvm_hyp_ctxt, x2 - // Store the host regs + // Store the hyp regs save_callee_saved_regs x1 - // Save the host's sp_el0 + // Save hyp's sp_el0 save_sp_el0 x1, x2 - // Now the host state is stored if we have a pending RAS SError it must - // affect the host. If any asynchronous exception is pending we defer - // the guest entry. The DSB isn't necessary before v8.2 as any SError - // would be fatal. + // Now the hyp state is stored if we have a pending RAS SError it must + // affect the host or hyp. If any asynchronous exception is pending we + // defer the guest entry. The DSB isn't necessary before v8.2 as any + // SError would be fatal. alternative_if ARM64_HAS_RAS_EXTN dsb nshst isb @@ -150,17 +150,17 @@ SYM_INNER_LABEL(__guest_exit, SYM_L_GLOBAL) hyp_adr_this_cpu x2, kvm_hyp_ctxt, x3 - // Macro ptrauth_switch_to_guest format: - // ptrauth_switch_to_host(guest cxt, host cxt, tmp1, tmp2, tmp3) + // Macro ptrauth_switch_to_hyp format: + // ptrauth_switch_to_hyp(guest cxt, host cxt, tmp1, tmp2, tmp3) // The below macro to save/restore keys is not implemented in C code // as it may cause Pointer Authentication key signing mismatch errors // when this feature is enabled for kernel code. - ptrauth_switch_to_host x1, x2, x3, x4, x5 + ptrauth_switch_to_hyp x1, x2, x3, x4, x5 - // Restore the hosts's sp_el0 + // Restore hyp's sp_el0 restore_sp_el0 x2, x3 - // Now restore the host regs + // Now restore the hyp regs restore_callee_saved_regs x2 alternative_if ARM64_HAS_RAS_EXTN |