From: David Marchand <david.marchand@redhat.com>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org, radu.nicolau@intel.com, stable@dpdk.org,
Tyler Retzlaff <roretzla@linux.microsoft.com>
Subject: Re: [PATCH] eal/x86: fix 32-bit write-combined stores
Date: Fri, 4 Oct 2024 16:45:39 +0200 [thread overview]
Message-ID: <CAJFAV8xHQvrjNHX_VXNKcThNXM_nbZsv7O1ZyOQQv=RULXah+g@mail.gmail.com> (raw)
In-Reply-To: <20240906132757.457921-1-bruce.richardson@intel.com>
On Fri, Sep 6, 2024 at 3:28 PM Bruce Richardson
<bruce.richardson@intel.com> 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: stable@dpdk.org
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Thanks for the fix, and reviews.
Applied.
--
David Marchand
prev parent reply other threads:[~2024-10-04 14:45 UTC|newest]
Thread overview: 4+ 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
2024-10-04 14:45 ` David Marchand [this message]
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