From: Richard Henderson <richard.henderson@linaro.org>
To: Eric Auger <eric.auger@redhat.com>,
eric.auger.pro@gmail.com, qemu-devel@nongnu.org,
qemu-arm@nongnu.org, peter.maydell@linaro.org
Cc: maz@kernel.org, drjones@redhat.com
Subject: Re: [PATCH v2 6/6] hw/arm/virt: kvm: allow gicv3 by default if v2 cannot work
Date: Sun, 1 Mar 2020 09:58:50 -0800 [thread overview]
Message-ID: <eae4a0f8-3821-a0cc-1dc2-b54b05d6611a@linaro.org> (raw)
In-Reply-To: <20200301104040.15186-7-eric.auger@redhat.com>
On 3/1/20 2:40 AM, Eric Auger wrote:
> At the moment if the end-user does not specify the gic-version along
> with KVM acceleration, v2 is set by default. However most of the
> systems now have GICv3 and sometimes they do not support GICv2
> compatibility.
>
> This patch keeps the default v2 selection in all cases except
> in the KVM accelerated mode when either
> - the host does not support GICv2 in-kernel emulation or
> - number of VCPUS exceeds 8.
>
> Those cases did not work anyway so we do not break any compatibility.
> Now we get v3 selected in such a case.
>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>
> Reported-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
> hw/arm/virt.c | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2020-03-01 17:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-01 10:40 [PATCH v2 0/6] hw/arm/virt: kvm: allow gicv3 by default if v2 cannot work Eric Auger
2020-03-01 10:40 ` [PATCH v2 1/6] hw/arm/virt: Document 'max' value in gic-version property description Eric Auger
2020-03-01 17:39 ` Richard Henderson
2020-03-01 10:40 ` [PATCH v2 2/6] hw/arm/virt: Use VIRT_GIC_VERSION defines Eric Auger
2020-03-01 17:44 ` Richard Henderson
2020-03-01 10:40 ` [PATCH v2 3/6] hw/arm/virt: Introduce finalize_gic_version() Eric Auger
2020-03-01 17:48 ` Richard Henderson
2020-03-01 10:40 ` [PATCH v2 4/6] target/arm/kvm: Let kvm_arm_vgic_probe() return a bitmap Eric Auger
2020-03-01 17:50 ` Richard Henderson
2020-03-01 10:40 ` [PATCH v2 5/6] hw/arm/virt: kvm: Check the chosen gic version is supported by the host Eric Auger
2020-03-01 17:56 ` Richard Henderson
2020-03-01 18:02 ` Auger Eric
2020-03-01 10:40 ` [PATCH v2 6/6] hw/arm/virt: kvm: allow gicv3 by default if v2 cannot work Eric Auger
2020-03-01 17:58 ` Richard Henderson [this message]
2020-03-02 7:54 ` Andrew Jones
2020-03-02 7:55 ` [PATCH v2 0/6] " Andrew Jones
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=eae4a0f8-3821-a0cc-1dc2-b54b05d6611a@linaro.org \
--to=richard.henderson@linaro.org \
--cc=drjones@redhat.com \
--cc=eric.auger.pro@gmail.com \
--cc=eric.auger@redhat.com \
--cc=maz@kernel.org \
--cc=peter.maydell@linaro.org \
--cc=qemu-arm@nongnu.org \
--cc=qemu-devel@nongnu.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).