redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

arm64: KVM: Drop VHE-specific HYP call stub 

We now call VHE code directly, without going through any central
dispatching function. Let's drop that code.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
hifive-unleashed-5.1
Marc Zyngier 2019-01-05 16:06:53 +00:00
parent 18fc7bf8e0
commit 7cba8a8d0d
2 changed files with 0 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm64/kvm/hyp.S
View File

@ -40,9 +40,6 @@
* arch/arm64/kernel/hyp_stub.S.
*/
ENTRY(__kvm_call_hyp)
alternative_if_not ARM64_HAS_VIRT_HOST_EXTN
hvc #0
ret
alternative_else_nop_endif
b __vhe_hyp_call
ENDPROC(__kvm_call_hyp)

12
arch/arm64/kvm/hyp/hyp-entry.S
View File

@ -43,18 +43,6 @@
ldr lr, [sp], #16
.endm
ENTRY(__vhe_hyp_call)
do_el2_call
/*
* We used to rely on having an exception return to get
* an implicit isb. In the E2H case, we don't have it anymore.
* rather than changing all the leaf functions, just do it here
* before returning to the rest of the kernel.
*/
isb
ret
ENDPROC(__vhe_hyp_call)
el1_sync: // Guest trapped into EL2
mrs x0, esr_el2