From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org, radu.nicolau@intel.com, stable@dpdk.org
Subject: Re: [PATCH] eal/x86: fix 32-bit write-combined stores
Date: Wed, 11 Sep 2024 22:56:00 -0700 [thread overview]
Message-ID: <20240912055600.GE6879@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net> (raw)
In-Reply-To: <20240906132757.457921-1-bruce.richardson@intel.com>
On Fri, Sep 06, 2024 at 02:27:57PM +0100, Bruce Richardson wrote:
> The "movdiri" instruction is given as a series of bytes in rte_io.h so
> that it works on compilers/assemblers which are unaware of the
> instruction. The REX prefix (0x40) on this instruction is invalid for
> 32-bit code, causing issues. Thankfully, the prefix is unnecessary in
> 64-bit code, since the data size used is 32-bits.
>
> Fixes: 8a00dfc738fe ("eal: add write combining store")
> Cc: radu.nicolau@intel.com
> Cc: stable@dpdk.org
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
Acked-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
prev parent reply other threads:[~2024-09-12 5:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-06 13:27 Bruce Richardson
2024-09-06 15:18 ` Radu Nicolau
2024-09-12 5:56 ` Tyler Retzlaff [this message]
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=20240912055600.GE6879@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net \
--to=roretzla@linux.microsoft.com \
--cc=bruce.richardson@intel.com \
--cc=dev@dpdk.org \
--cc=radu.nicolau@intel.com \
--cc=stable@dpdk.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).