From: Andreas Schwab <schwab@suse.de>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH 16/16] linux: Optimize fallback 32-bit clock_getres
Date: Wed, 18 Dec 2019 09:56:05 +0100 [thread overview]
Message-ID: <mvmv9qe3tcq.fsf@suse.de> (raw)
In-Reply-To: <20191217214728.2886-16-adhemerval.zanella@linaro.org> (Adhemerval Zanella's message of "Tue, 17 Dec 2019 18:47:28 -0300")
On Dez 17 2019, Adhemerval Zanella wrote:
> diff --git a/sysdeps/unix/sysv/linux/clock_getres.c b/sysdeps/unix/sysv/linux/clock_getres.c
> index 3d59f11d71..c1e1cf60c6 100644
> --- a/sysdeps/unix/sysv/linux/clock_getres.c
> +++ b/sysdeps/unix/sysv/linux/clock_getres.c
> @@ -42,13 +42,21 @@ __clock_getres64 (clockid_t clock_id, struct __timespec64 *res)
> int r;
> /* Old 32-bit ABI with possible 64-bit time_t support. */
> # ifdef __NR_clock_getres_time64
> + /* Avoid issue a __NR_clock_getres_time64 syscall on kernels that do not
> + support 64-bit time_t. */
> + static int time64_support = 1;
> + if (atomic_load_relaxed (&time64_support) == 1)
Just != 0 should be enough.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
next prev parent reply other threads:[~2019-12-18 8:56 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-17 21:47 [PATCH v2 01/16] linux: Fix vDSO macros build with time64 interfaces Adhemerval Zanella
2019-12-17 21:47 ` [PATCH v2 02/16] x86: Make x32 use x86 time implementation Adhemerval Zanella
2020-01-02 12:07 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 03/16] Remove vDSO support from make-syscall.sh Adhemerval Zanella
2020-01-02 12:07 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 04/16] linux: Update x86 vDSO symbols Adhemerval Zanella
2020-01-02 12:07 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 05/16] linux: Update mips " Adhemerval Zanella
2020-01-02 12:08 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 06/16] linux: Consolidate Linux gettimeofday Adhemerval Zanella
2019-12-18 8:46 ` Andreas Schwab
2019-12-18 14:50 ` Adhemerval Zanella
2020-01-02 12:07 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 07/16] linux: Consolidate time implementation Adhemerval Zanella
2020-01-02 12:51 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH v3 08/16] elf: Enable relro for static build Adhemerval Zanella
2020-01-02 12:07 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH v3 09/16] elf: Move vDSO setup to rtld (BZ#24967) Adhemerval Zanella
2020-01-02 12:55 ` Siddhesh Poyarekar
2020-01-02 13:00 ` Adhemerval Zanella
2020-01-07 16:13 ` [PATCH v3 09/16] elf: Move vDSO setup to rtld (BZ#24967) - regression found Lukasz Majewski
2020-01-07 19:40 ` Adhemerval Zanella
2019-12-17 21:47 ` [PATCH v2 10/16] linux: Add support for clock_gettime64 vDSO Adhemerval Zanella
2020-01-02 13:03 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 11/16] linux: Optimize fallback 32-bit clock_gettime Adhemerval Zanella
2019-12-18 8:53 ` Andreas Schwab
2019-12-18 14:58 ` Adhemerval Zanella
2020-01-02 13:07 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 12/16] linux: Enable vDSO clock_gettime64 for i386 Adhemerval Zanella
2020-01-02 13:08 ` Siddhesh Poyarekar
2020-01-02 13:08 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 13/16] linux: Enable vDSO clock_gettime64 for arm Adhemerval Zanella
2020-01-02 13:08 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 14/16] linux: Enable vDSO clock_gettime64 for mips Adhemerval Zanella
2019-12-18 15:33 ` Florian Weimer
2020-01-02 13:13 ` Siddhesh Poyarekar
2020-01-02 13:50 ` Adhemerval Zanella
2020-01-02 14:09 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH v2 15/16] linux: Add support for clock_getres64 vDSO Adhemerval Zanella
2020-01-02 13:15 ` Siddhesh Poyarekar
2019-12-17 21:47 ` [PATCH 16/16] linux: Optimize fallback 32-bit clock_getres Adhemerval Zanella
2019-12-18 8:56 ` Andreas Schwab [this message]
2019-12-18 14:58 ` Adhemerval Zanella
2019-12-18 15:02 ` Adhemerval Zanella
2020-01-02 13:16 ` Siddhesh Poyarekar
2020-01-02 12:07 ` [PATCH v2 01/16] linux: Fix vDSO macros build with time64 interfaces Siddhesh Poyarekar
2020-01-02 12:55 ` Adhemerval Zanella
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