Messages in this thread | | | Subject | Re: [PATCH v2] KVM: x86: Fix single-step debugging | From | Alexander Popov <> | Date | Thu, 24 Jan 2019 11:41:22 +0300 |
| |
On 21.01.2019 15:48, Alexander Popov wrote: > The single-step debugging of KVM guests on x86 is broken: if we run > gdb 'stepi' command at the breakpoint when the guest interrupts are > enabled, RIP always jumps to native_apic_mem_write(). Then other > nasty effects follow. > > Long investigation showed that on Jun 7, 2017 the > commit c8401dda2f0a00cd25c0 ("KVM: x86: fix singlestepping over syscall") > introduced the kvm_run.debug corruption: kvm_vcpu_do_singlestep() can > be called without X86_EFLAGS_TF set. > > Let's fix it. Please consider that for -stable.
Hello everyone!
Just a friendly ping about this fix. Looking forward to the feedback.
Best regards, Alexander
| |