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From: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
To: caiyinyu <caiyinyu@loongson.cn>,
	libc-alpha@sourceware.org, i.swmail@xen0n.name
Cc: joseph_myers@mentor.com, carlos@redhat.com, xuchenghua@loongson.cn
Subject: Re: [PATCH 1/3] LoongArch: Add vdso support for gettimeofday.
Date: Thu, 28 Jul 2022 09:58:19 -0300	[thread overview]
Message-ID: <397fae36-6577-58d9-17cd-b27ab2dce02b@linaro.org> (raw)
In-Reply-To: <20220728073009.2588790-2-caiyinyu@loongson.cn>

I think we should postpone it to 2.37, it is an optimization and we
can backport it if required.

The patch looks ok though.

On 28/07/22 04:30, caiyinyu wrote:
> ---
>  .../unix/sysv/linux/loongarch/gettimeofday.c  | 22 +++++++++++++++++++
>  sysdeps/unix/sysv/linux/loongarch/sysdep.h    |  1 +
>  2 files changed, 23 insertions(+)
>  create mode 100644 sysdeps/unix/sysv/linux/loongarch/gettimeofday.c
> 
> diff --git a/sysdeps/unix/sysv/linux/loongarch/gettimeofday.c b/sysdeps/unix/sysv/linux/loongarch/gettimeofday.c
> new file mode 100644
> index 0000000000..ee35a08650
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/loongarch/gettimeofday.c
> @@ -0,0 +1,22 @@
> +/* gettimeofday -- Get the current time of day.
> +   Copyright (C) 2022 Free Software Foundation, Inc.
> +
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library.  If not, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +
> +#define USE_IFUNC_GETTIMEOFDAY
> +#include <sysdeps/unix/sysv/linux/gettimeofday.c>
> diff --git a/sysdeps/unix/sysv/linux/loongarch/sysdep.h b/sysdeps/unix/sysv/linux/loongarch/sysdep.h
> index c586df819c..306e0af3a3 100644
> --- a/sysdeps/unix/sysv/linux/loongarch/sysdep.h
> +++ b/sysdeps/unix/sysv/linux/loongarch/sysdep.h
> @@ -116,6 +116,7 @@
>  /* List of system calls which are supported as vsyscalls.  */
>  #define HAVE_CLOCK_GETRES64_VSYSCALL "__vdso_clock_getres"
>  #define HAVE_CLOCK_GETTIME64_VSYSCALL "__vdso_clock_gettime"
> +#define HAVE_GETTIMEOFDAY_VSYSCALL "__vdso_gettimeofday"
>  #define HAVE_GETCPU_VSYSCALL "__vdso_getcpu"
>  
>  #define HAVE_CLONE3_WRAPPER 1

  reply	other threads:[~2022-07-28 12:58 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-28  7:30 [PATCH 0/3] GLIBC LOONGARCH PATCHES caiyinyu
2022-07-28  7:30 ` [PATCH 1/3] LoongArch: Add vdso support for gettimeofday caiyinyu
2022-07-28 12:58   ` Adhemerval Zanella Netto [this message]
2022-07-29 15:10     ` Carlos O'Donell
2022-08-03  3:12       ` caiyinyu
2022-07-28  7:30 ` [PATCH 2/3] LoongArch: Fix VDSO_HASH and VDSO_NAME caiyinyu
2022-07-28 12:57   ` Adhemerval Zanella Netto
2022-07-28  7:30 ` [PATCH 3/3] LoongArch: Add greg_t and gregset_t caiyinyu
2022-07-28 12:57   ` Adhemerval Zanella Netto
2022-07-28 12:53 ` [PATCH 0/3] GLIBC LOONGARCH PATCHES Adhemerval Zanella Netto

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