[PATCH] eal/x86: fix 32-bit write-combined stores
David Marchand
david.marchand at redhat.com
Fri Oct 4 16:45:39 CEST 2024
On Fri, Sep 6, 2024 at 3:28 PM Bruce Richardson
<bruce.richardson at 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 at dpdk.org
>
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
Thanks for the fix, and reviews.
Applied.
--
David Marchand
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