From: Peter Zijlstra <peterz@infradead.org>
To: Juergen Gross <jgross@suse.com>
Cc: xen-devel@lists.xenproject.org, x86@kernel.org,
linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Andy Lutomirski <luto@kernel.org>, Deep Shah <sdeep@vmware.com>,
"VMware, Inc." <pv-drivers@vmware.com>
Subject: Re: [PATCH 0/4] x86/xen: do some paravirt cleanup
Date: Tue, 17 Nov 2020 11:00:17 +0100 [thread overview]
Message-ID: <20201117100017.GB3121406@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20201116152301.24558-1-jgross@suse.com>
On Mon, Nov 16, 2020 at 04:22:57PM +0100, Juergen Gross wrote:
> Eliminate the usergs_sysret64 paravirt call completely and switch
> the swapgs one to use ALTERNATIVE instead. This requires to fix the
> IST based exception entries for Xen PV to use the same mechanism as
> NMI and debug exception already do.
>
> Juergen Gross (4):
> x86/xen: use specific Xen pv interrupt entry for MCE
> x86/xen: use specific Xen pv interrupt entry for DF
> x86/pv: switch SWAPGS to ALTERNATIVE
> x86/xen: drop USERGS_SYSRET64 paravirt call
Looks 'sane' :-))
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
"VMware, Inc." <pv-drivers@vmware.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
virtualization@lists.linux-foundation.org,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Andy Lutomirski <luto@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
xen-devel@lists.xenproject.org,
Thomas Gleixner <tglx@linutronix.de>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: Re: [PATCH 0/4] x86/xen: do some paravirt cleanup
Date: Tue, 17 Nov 2020 11:00:17 +0100 [thread overview]
Message-ID: <20201117100017.GB3121406@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20201116152301.24558-1-jgross@suse.com>
On Mon, Nov 16, 2020 at 04:22:57PM +0100, Juergen Gross wrote:
> Eliminate the usergs_sysret64 paravirt call completely and switch
> the swapgs one to use ALTERNATIVE instead. This requires to fix the
> IST based exception entries for Xen PV to use the same mechanism as
> NMI and debug exception already do.
>
> Juergen Gross (4):
> x86/xen: use specific Xen pv interrupt entry for MCE
> x86/xen: use specific Xen pv interrupt entry for DF
> x86/pv: switch SWAPGS to ALTERNATIVE
> x86/xen: drop USERGS_SYSRET64 paravirt call
Looks 'sane' :-))
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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Virtualization mailing list
Virtualization@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
next prev parent reply other threads:[~2020-11-17 10:01 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-16 15:22 [PATCH 0/4] x86/xen: do some paravirt cleanup Juergen Gross
2020-11-16 15:22 ` Juergen Gross via Virtualization
2020-11-16 15:22 ` [PATCH 1/4] x86/xen: use specific Xen pv interrupt entry for MCE Juergen Gross
2020-11-16 15:22 ` [PATCH 2/4] x86/xen: use specific Xen pv interrupt entry for DF Juergen Gross
2020-11-16 16:12 ` Andy Lutomirski
2020-11-16 16:12 ` Andy Lutomirski
2020-11-16 16:14 ` Jürgen Groß
2020-11-16 15:23 ` [PATCH 3/4] x86/pv: switch SWAPGS to ALTERNATIVE Juergen Gross
2020-11-16 15:23 ` Juergen Gross via Virtualization
2020-11-16 16:17 ` Andy Lutomirski
2020-11-16 16:17 ` Andy Lutomirski
2020-11-16 16:17 ` Andy Lutomirski
2020-11-16 15:23 ` [PATCH 4/4] x86/xen: drop USERGS_SYSRET64 paravirt call Juergen Gross
2020-11-16 15:23 ` Juergen Gross via Virtualization
2020-11-16 16:28 ` Andy Lutomirski
2020-11-16 16:28 ` Andy Lutomirski
2020-11-16 16:28 ` Andy Lutomirski
2020-11-17 8:19 ` Jürgen Groß
2020-11-17 8:19 ` Jürgen Groß via Virtualization
2020-11-16 16:30 ` Andy Lutomirski
2020-11-16 16:30 ` Andy Lutomirski
2020-11-16 16:30 ` Andy Lutomirski
2020-11-17 10:00 ` Peter Zijlstra [this message]
2020-11-17 10:00 ` [PATCH 0/4] x86/xen: do some paravirt cleanup Peter Zijlstra
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