From: Jan Beulich <jbeulich@suse.com>
To: Roger Pau Monne <roger.pau@citrix.com>
Cc: xen-devel@lists.xenproject.org, Paul Durrant <paul@xen.org>,
Wei Liu <wl@xen.org>, Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [Xen-devel] [PATCH v2 0/3] x86: improve assisted tlb flush and use it in guest mode
Date: Fri, 10 Jan 2020 17:08:16 +0100 [thread overview]
Message-ID: <43caf284-1725-19b9-94a6-a2545ff5f21e@suse.com> (raw)
In-Reply-To: <20200110160404.15573-1-roger.pau@citrix.com>
On 10.01.2020 17:04, Roger Pau Monne wrote:
> Patch #2 is likely the most controversial one, as it changes the
> implementation of assisted TLB flushes. I have to admit I haven't been
> able to figure out why HVM guest context flushes issued a
> flush_tlb_mask, and the commit introducing such behavior doesn't contain
> a helpful commit message.
A shadow mode thing, maybe?
Jan
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-devel
next prev parent reply other threads:[~2020-01-10 16:08 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-10 16:04 [Xen-devel] [PATCH v2 0/3] x86: improve assisted tlb flush and use it in guest mode Roger Pau Monne
2020-01-10 16:04 ` [Xen-devel] [PATCH v2 1/3] x86/hvm: allow ASID flush when v != current Roger Pau Monne
2020-01-10 16:04 ` [Xen-devel] [PATCH v2 2/3] x86/hvm: rework HVMOP_flush_tlbs Roger Pau Monne
2020-01-10 16:04 ` [Xen-devel] [PATCH v2 3/3] x86/tlb: use Xen L0 assisted TLB flush when available Roger Pau Monne
2020-01-10 16:08 ` Jan Beulich [this message]
2020-01-10 16:14 ` [Xen-devel] [PATCH v2 0/3] x86: improve assisted tlb flush and use it in guest mode Roger Pau Monné
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=43caf284-1725-19b9-94a6-a2545ff5f21e@suse.com \
--to=jbeulich@suse.com \
--cc=andrew.cooper3@citrix.com \
--cc=paul@xen.org \
--cc=roger.pau@citrix.com \
--cc=wl@xen.org \
--cc=xen-devel@lists.xenproject.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.