linux-kernel - Re: [GIT PULL] KVM/rseq changes for Linux 5.15-rc3

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Message-ID: <4005b824-549a-094d-82f2-e921fcd22912@redhat.com>
Date:   Fri, 24 Sep 2021 18:01:17 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Oleg Nesterov <oleg@...hat.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        KVM list <kvm@...r.kernel.org>
Subject: Re: [GIT PULL] KVM/rseq changes for Linux 5.15-rc3

On 24/09/21 17:13, Eric W. Biederman wrote:
> Does anyone have any idea what to call
> tracehook_notify_resume so that it describes it's current usage?

There isn't a more precise definition than "sundry slowpaths to be 
invoked before returning to userspace".  Whenever one of the triggering 
conditions becomes true, set_notify_resume() is called and 
tracehook_notify_resume() will execute them all.

Paolo