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From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Wed, 18 Jul 2018 03:17:00 -0000
Message-ID: <CAMe9rOq-mXOM6QgHmNggFO1vC6x7VUUU=6u0PG3PEnAHyvgvqg@mail.gmail.com>
Subject: Re: [PATCH 09/24] x86_64: Use _CET_NOTRACK in strcmp.S
To: GNU C Library <libc-alpha@sourceware.org>, "Carlos O'Donell" <carlos@redhat.com>
Content-Type: text/plain; charset="UTF-8"
X-SW-Source: 2018-07/txt/msg00528.txt.bz2

On Wed, Jun 13, 2018 at 8:31 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>         * sysdeps/x86_64/strcmp.S (STRCMP): Add _CET_NOTRACK before
>         indirect jump to jump table.
> ---
>  sysdeps/x86_64/strcmp.S | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sysdeps/x86_64/strcmp.S b/sysdeps/x86_64/strcmp.S
> index de54fce647..e16945b961 100644
> --- a/sysdeps/x86_64/strcmp.S
> +++ b/sysdeps/x86_64/strcmp.S
> @@ -233,7 +233,7 @@ LABEL(bigger):
>         lea     LABEL(unaligned_table)(%rip), %r10
>         movslq  (%r10, %r9,4), %r9
>         lea     (%r10, %r9), %r10
> -       jmp     *%r10                           /* jump to corresponding case */
> +       _CET_NOTRACK jmp *%r10                  /* jump to corresponding case */
>
>  /*
>   * The following cases will be handled by ashr_0
> --
> 2.17.1
>

I am going to check in the rest of _CET_NOTRACK  patches:

https://sourceware.org/ml/libc-alpha/2018-06/msg00322.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00342.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00335.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00334.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00332.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00326.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00331.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00338.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00330.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00340.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00339.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00343.html
https://sourceware.org/ml/libc-alpha/2018-06/msg00336.html


-- 
H.J.