From: Julien Grall <julien.grall@citrix.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>,
Xen-devel <xen-devel@lists.xen.org>
Cc: Stefano Stabellini <stefano.stabellini@citrix.com>,
Tim Deegan <tim@xen.org>, Ian Campbell <ian.campbell@citrix.com>,
Jan Beulich <JBeulich@suse.com>,
Roger Pau Monne <roger.pau@citrix.com>
Subject: Re: [PATCH v2] xen: Improve x86's alloc_vcpu_guest_context()
Date: Thu, 17 Sep 2015 19:02:46 +0100 [thread overview]
Message-ID: <55FB0046.2060009@citrix.com> (raw)
In-Reply-To: <1442508763-32164-1-git-send-email-andrew.cooper3@citrix.com>
Hi Andrew,
On 17/09/15 17:52, Andrew Cooper wrote:
> This essentially reverts c/s 2037f2adb "x86: introduce
> alloc_vcpu_guest_context()", including the newer arm bits, but achieves
> the same end goal by using the newer vmalloc() infrastructure.
>
> For both x86 and ARM, {alloc,free}_vcpu_guest_context() become arch-local
> static inlines (which avoids a call into a separate translation),
> and removes an x86 scalability limit when compiling with a large NR_CPUS.
>
> Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
> ---
> CC: Jan Beulich <JBeulich@suse.com>
> CC: Tim Deegan <tim@xen.org>
> CC: Ian Campbell <ian.campbell@citrix.com>
> CC: Stefano Stabellini <stefano.stabellini@citrix.com>
> CC: Julien Grall <julien.grall@citrix.com>
> CC: Roger Pau Monne <roger.pau@citrix.com>
For the ARM bits:
Reviewed-by: Julien Grall <julien.grall@citrix.com>
Regards,
--
Julien Grall
next prev parent reply other threads:[~2015-09-17 18:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-17 16:52 [PATCH v2] xen: Improve x86's alloc_vcpu_guest_context() Andrew Cooper
2015-09-17 18:02 ` Julien Grall [this message]
2015-09-21 14:12 ` Jan Beulich
2015-09-21 14:45 ` Ian Campbell
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