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| author | Andrew Scull <ascull@google.com> | 2020-09-15 11:46:41 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-09-15 18:39:04 +0100 |
| commit | 054698316d87a13e4c0dc8f5ecdd77b12e5eb676 (patch) | |
| tree | f01a73181cadd95e3968fa5b670788e69de2b911 /arch/arm64/kvm/arm.c | |
| parent | 0794a974d74dc777a212a3c58dd236f507360348 (diff) | |
| download | linux-054698316d87a13e4c0dc8f5ecdd77b12e5eb676.tar.gz linux-054698316d87a13e4c0dc8f5ecdd77b12e5eb676.tar.bz2 linux-054698316d87a13e4c0dc8f5ecdd77b12e5eb676.zip | |
KVM: arm64: nVHE: Migrate hyp interface to SMCCC
Rather than passing arbitrary function pointers to run at hyp, define
and equivalent set of SMCCC functions.
Since the SMCCC functions are strongly tied to the original function
prototypes, it is not expected for the host to ever call an invalid ID
but a warning is raised if this does ever occur.
As __kvm_vcpu_run is used for every switch between the host and a guest,
it is explicitly singled out to be identified before the other function
IDs to improve the performance of the hot path.
Signed-off-by: Andrew Scull <ascull@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200915104643.2543892-18-ascull@google.com
Diffstat (limited to 'arch/arm64/kvm/arm.c')
| -rw-r--r-- | arch/arm64/kvm/arm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 6b7180072c8d..49aa08bd26de 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -1288,7 +1288,7 @@ static void cpu_init_hyp_mode(void) * cpus_have_const_cap() wrapper. */ BUG_ON(!system_capabilities_finalized()); - __kvm_call_hyp((void *)pgd_ptr, hyp_stack_ptr, vector_ptr, tpidr_el2); + __kvm_call_hyp_init(pgd_ptr, hyp_stack_ptr, vector_ptr, tpidr_el2); /* * Disabling SSBD on a non-VHE system requires us to enable SSBS |