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From: Richard Henderson <rth@twiddle.net>
To: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] target-i386: avoid repeated calls to the bnd_jmp helper
Date: Tue, 1 Mar 2016 08:28:07 -0800	[thread overview]
Message-ID: <56D5C317.7030709@twiddle.net> (raw)
In-Reply-To: <1456845145-18891-1-git-send-email-pbonzini@redhat.com>

On 03/01/2016 07:12 AM, Paolo Bonzini wrote:
> One flag was tested the wrong way.
> 
> Cc: rth@twiddle.net
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  target-i386/translate.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/target-i386/translate.c b/target-i386/translate.c
> index b345e2c..ebd8995 100644
> --- a/target-i386/translate.c
> +++ b/target-i386/translate.c
> @@ -2420,7 +2420,7 @@ static void gen_bnd_jmp(DisasContext *s)
>         itself will check BNDPRESERVE at runtime.  */
>      if ((s->prefix & PREFIX_REPNZ) == 0
>          && (s->flags & HF_MPX_EN_MASK) == 0
> -        && (s->flags & HF_MPX_IU_MASK) == 0) {
> +        && (s->flags & HF_MPX_IU_MASK) != 0) {

Ho hum.  Two flags tested the wrong way -- EN_MASK should be on as well.


r~

      reply	other threads:[~2016-03-01 16:28 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-01 15:12 [Qemu-devel] [PATCH] target-i386: avoid repeated calls to the bnd_jmp helper Paolo Bonzini
2016-03-01 16:28 ` Richard Henderson [this message]

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