All of lore.kernel.org
 help / color / mirror / Atom feed
From: Richard Henderson <richard.henderson@linaro.org>
To: Max Filippov <jcmvbkbc@gmail.com>, qemu-devel@nongnu.org
Subject: Re: [PATCH] target/xtensa: enable all coprocessors for linux-user
Date: Sat, 29 Aug 2020 08:35:25 -0700	[thread overview]
Message-ID: <dd1fef75-1175-bd8d-4e68-a4101ab588e4@linaro.org> (raw)
In-Reply-To: <20200829104758.22337-1-jcmvbkbc@gmail.com>

On 8/29/20 3:47 AM, Max Filippov wrote:
> Linux userspace always sees coprocessors as enabled. CPENABLE register
> and coprocessor exceptions are used internally by the kernel to manage
> lazy coprocessor context switch. None of it is needed for linux-user.
> Always enable all coprocessors for user emulation.
> 
> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~


  reply	other threads:[~2020-08-29 15:36 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-29 10:47 [PATCH] target/xtensa: enable all coprocessors for linux-user Max Filippov
2020-08-29 15:35 ` Richard Henderson [this message]
2020-10-26 11:07 ` Laurent Vivier

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=dd1fef75-1175-bd8d-4e68-a4101ab588e4@linaro.org \
    --to=richard.henderson@linaro.org \
    --cc=jcmvbkbc@gmail.com \
    --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 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.