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| author | Marc Zyngier <maz@kernel.org> | 2021-10-21 16:18:00 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-11-22 19:01:39 +0300 |
| commit | bee14bca735a6f897a6ec3e42f3e5d2d8966e87e (patch) | |
| tree | 2bc76e8866e1c7ac3f75bda9af8527507f13a954 /arch/arm64/kvm/fpsimd.c | |
| parent | af9a0e21d817f40595aa629de32d3bd96582abef (diff) | |
| download | linux-bee14bca735a6f897a6ec3e42f3e5d2d8966e87e.tar.xz | |
KVM: arm64: Stop mapping current thread_info at EL2
Now that we can track an equivalent of TIF_FOREIGN_FPSTATE, drop
the mapping of current's thread_info at EL2.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/fpsimd.c')
| -rw-r--r-- | arch/arm64/kvm/fpsimd.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/arm64/kvm/fpsimd.c b/arch/arm64/kvm/fpsimd.c index a18b9c1744d5..b5b59b9f2eff 100644 --- a/arch/arm64/kvm/fpsimd.c +++ b/arch/arm64/kvm/fpsimd.c @@ -7,7 +7,6 @@ */ #include <linux/irqflags.h> #include <linux/sched.h> -#include <linux/thread_info.h> #include <linux/kvm_host.h> #include <asm/fpsimd.h> #include <asm/kvm_asm.h> @@ -28,17 +27,9 @@ int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu) { int ret; - struct thread_info *ti = ¤t->thread_info; struct user_fpsimd_state *fpsimd = ¤t->thread.uw.fpsimd_state; - /* - * Make sure the host task thread flags and fpsimd state are - * visible to hyp: - */ - ret = create_hyp_mappings(ti, ti + 1, PAGE_HYP); - if (ret) - goto error; - + /* Make sure the host task fpsimd state is visible to hyp: */ ret = create_hyp_mappings(fpsimd, fpsimd + 1, PAGE_HYP); if (ret) goto error; @@ -54,7 +45,6 @@ int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu) goto error; } - vcpu->arch.host_thread_info = kern_hyp_va(ti); vcpu->arch.host_fpsimd_state = kern_hyp_va(fpsimd); error: return ret; |