From: Peter Zijlstra <peterz@infradead.org>
To: Juergen Gross <jgross@suse.com>
Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org,
x86@kernel.org, Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 0/3] xen: remove some checks for always present Xen features
Date: Mon, 10 May 2021 13:31:59 +0200 [thread overview]
Message-ID: <YJkZr7yIVVW1Fw+o@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <3c89ca14-8790-2d0e-a115-16a0976f68e3@suse.com>
On Mon, May 10, 2021 at 09:34:18AM +0200, Juergen Gross wrote:
> On 22.04.21 17:10, Juergen Gross wrote:
> > Some features of Xen can be assumed to be always present, so add a
> > central check to verify this being true and remove the other checks.
> >
> > Juergen Gross (3):
> > xen: check required Xen features
> > xen: assume XENFEAT_mmu_pt_update_preserve_ad being set for pv guests
> > xen: assume XENFEAT_gnttab_map_avail_bits being set for pv guests
> >
> > arch/x86/xen/enlighten_pv.c | 12 ++----------
> > arch/x86/xen/mmu_pv.c | 4 ++--
> > drivers/xen/features.c | 18 ++++++++++++++++++
> > drivers/xen/gntdev.c | 36 ++----------------------------------
> > 4 files changed, 24 insertions(+), 46 deletions(-)
> >
>
> Could I please get some feedback on this series?
I'm obviously in favour, but given I'm not an actual Xen user that might
not be worth much, still:
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
prev parent reply other threads:[~2021-05-10 11:32 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-22 15:10 [PATCH 0/3] xen: remove some checks for always present Xen features Juergen Gross
2021-04-22 15:10 ` [PATCH 1/3] xen: check required " Juergen Gross
2021-04-22 15:26 ` Stefano Stabellini
2021-04-22 15:32 ` Juergen Gross
2021-05-10 12:11 ` Boris Ostrovsky
2021-05-10 13:21 ` Juergen Gross
2021-04-22 15:10 ` [PATCH 2/3] xen: assume XENFEAT_mmu_pt_update_preserve_ad being set for pv guests Juergen Gross
2021-04-22 15:10 ` [PATCH 3/3] xen: assume XENFEAT_gnttab_map_avail_bits " Juergen Gross
2021-04-22 15:16 ` [PATCH 0/3] xen: remove some checks for always present Xen features Jan Beulich
2021-04-22 15:17 ` Juergen Gross
2021-04-22 15:23 ` Jan Beulich
2021-04-22 15:28 ` Juergen Gross
2021-04-22 15:42 ` Jan Beulich
2021-04-22 15:49 ` Juergen Gross
2021-04-22 15:51 ` Andrew Cooper
2021-05-10 7:34 ` Juergen Gross
2021-05-10 11:31 ` Peter Zijlstra [this message]
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