[PATCH] eal/x86: fix 32-bit write-combined stores

[Radu Nicolau]

On 06-Sep-24 2:27 PM, 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 at intel.com
> Cc: stable at dpdk.org
>
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> ---
Acked-by: Radu Nicolau <radu.nicolau at intel.com>