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[51.148.40.55]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42bb6df795asm233621585e9.21.2024.09.05.06.49.46 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Sep 2024 06:49:46 -0700 (PDT) From: Adhemerval Zanella To: libc-alpha@sourceware.org Subject: [PATCH v2] linux: Use GLRO(dl_vdso_gettimeofday) on gettimeofday Date: Thu, 5 Sep 2024 13:49:36 +0000 Message-ID: <20240905134942.2463850-1-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces~patch=linaro.org@sourceware.org The BZ#24967 fix (1bdda52fe92fd01b424c) missed the gettimeofday for architectures that define USE_IFUNC_GETTIMEOFDAY. Although it is not an issue, since there is no pointer mangling, there is also no need to call dl_vdso_vsym since the vDSO setup was already done by the loader. Checked on x86_64-linux-gnu and i686-linux-gnu. --- Change from v1: * Fixed build on some architectures due a missing INIT_ARCH. --- sysdeps/unix/sysv/linux/gettimeofday.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/sysdeps/unix/sysv/linux/gettimeofday.c b/sysdeps/unix/sysv/linux/gettimeofday.c index 7ab147c614..afee658e7b 100644 --- a/sysdeps/unix/sysv/linux/gettimeofday.c +++ b/sysdeps/unix/sysv/linux/gettimeofday.c @@ -36,12 +36,11 @@ __gettimeofday_syscall (struct timeval *restrict tv, void *restrict tz) return INLINE_SYSCALL_CALL (gettimeofday, tv, tz); } -# undef INIT_ARCH -# define INIT_ARCH() \ - void *vdso_gettimeofday = dl_vdso_vsym (HAVE_GETTIMEOFDAY_VSYSCALL) +# define INIT_ARCH() libc_ifunc (__gettimeofday, - vdso_gettimeofday ? VDSO_IFUNC_RET (vdso_gettimeofday) - : (void *) __gettimeofday_syscall) + GLRO(dl_vdso_gettimeofday) != NULL + ? VDSO_IFUNC_RET (GLRO(dl_vdso_gettimeofday)) + : (void *) __gettimeofday_syscall) # else int