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From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: stsp <stsp2@yandex.ru>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Sean Christopherson <seanjc@google.com>,
	Wanpeng Li <wanpengli@tencent.com>,
	Jim Mattson <jmattson@google.com>, Joerg Roedel <joro@8bytes.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	kvm@vger.kernel.org
Subject: Re: [PATCH] KVM: X86: Fix exception untrigger on ret to user
Date: Mon, 28 Jun 2021 13:00:32 +0200	[thread overview]
Message-ID: <87im1y2qzz.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <87lf6u2r6v.fsf@vitty.brq.redhat.com>

Vitaly Kuznetsov <vkuznets@redhat.com> writes:

> stsp <stsp2@yandex.ru> writes:
>
...

> I wrote a
>> test-case for it, but it involves the entire
>> buildroot setup and you need to wait
>> a bit while it is trying to trigger the race.
>
> Maybe there's an easier way to trigger imminent exit to userspace which
> doesn't involve 

[my test editor swallowed the ending of the phrase, sorry about that]

Maybe there's an easier way to trigger imminent exit to userspace which
doesn't involve signals.

-- 
Vitaly


  reply	other threads:[~2021-06-28 11:00 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-27 23:38 [PATCH] KVM: X86: Fix exception untrigger on ret to user Stas Sergeev
2021-06-28  7:20 ` Vitaly Kuznetsov
2021-06-28  9:12   ` stsp
2021-06-28 10:07     ` Vitaly Kuznetsov
2021-06-28 10:32       ` stsp
2021-06-28 10:56         ` Vitaly Kuznetsov
2021-06-28 11:00           ` Vitaly Kuznetsov [this message]
2021-06-28 11:27           ` stsp
2021-06-28 16:39             ` Jim Mattson
2021-06-28 16:57               ` stsp
2021-06-28 16:19 ` Jim Mattson
2021-06-28 17:06   ` stsp
2021-06-28 17:44     ` Jim Mattson
2021-06-28 22:23   ` stsp
2021-06-28 22:35     ` Jim Mattson
2021-06-28 22:52       ` stsp
  -- strict thread matches above, loose matches on Subject: below --
2021-06-28 12:46 Stas Sergeev

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