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| author | Marc Zyngier <marc.zyngier@arm.com> | 2018-12-20 13:07:40 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2019-02-07 11:44:46 +0000 |
| commit | 20589c8cc47dce5854c8bf1b44a9fc63d798d26d (patch) | |
| tree | e2964730b98027a8a1afc7586f133a601fdaab4f /arch/arm64 | |
| parent | 358b28f09f0ab074d781df72b8a671edb1547789 (diff) | |
| download | linux-20589c8cc47dce5854c8bf1b44a9fc63d798d26d.tar.bz2 | |
arm/arm64: KVM: Don't panic on failure to properly reset system registers
Failing to properly reset system registers is pretty bad. But not
quite as bad as bringing the whole machine down... So warn loudly,
but slightly more gracefully.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/kvm/sys_regs.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 86096774abcd..c936aa40c3f4 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -2608,7 +2608,9 @@ void kvm_reset_sys_regs(struct kvm_vcpu *vcpu) table = get_target_table(vcpu->arch.target, true, &num); reset_sys_reg_descs(vcpu, table, num); - for (num = 1; num < NR_SYS_REGS; num++) - if (__vcpu_sys_reg(vcpu, num) == 0x4242424242424242) - panic("Didn't reset __vcpu_sys_reg(%zi)", num); + for (num = 1; num < NR_SYS_REGS; num++) { + if (WARN(__vcpu_sys_reg(vcpu, num) == 0x4242424242424242, + "Didn't reset __vcpu_sys_reg(%zi)\n", num)) + break; + } } |