From patchwork Tue Apr 26 19:15:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adhemerval Zanella X-Patchwork-Id: 53242 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 0DCC33858002 for ; Tue, 26 Apr 2022 19:15:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0DCC33858002 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1651000551; bh=0Rqmw2gXORmlSaiwGuD99KMjmtBVxxBcdo/gHgBTP0k=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=nKMlB/XeCYHuyvoBWbdJVaEMMn5p4Mf0RiMW0/O5hBCD1EuWuMJ4J+2ogMq0SpW1t cTXZ706sZM+aEIF5ry+GS3h4BQw5qarpuPHtwECvr3F4MiQPzNemrUiSuNSS8IFj3A sjlEMtUaGZjQUeUbGaL6YxyGMbpwpGr2DD9fOv+Q= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-ot1-x32d.google.com (mail-ot1-x32d.google.com [IPv6:2607:f8b0:4864:20::32d]) by sourceware.org (Postfix) with ESMTPS id 253623858C83 for ; Tue, 26 Apr 2022 19:15:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 253623858C83 Received: by mail-ot1-x32d.google.com with SMTP id e15-20020a9d63cf000000b006054e65aaecso13745306otl.0 for ; Tue, 26 Apr 2022 12:15:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=0Rqmw2gXORmlSaiwGuD99KMjmtBVxxBcdo/gHgBTP0k=; b=OsHKhvTI3qHa4euNfFSrOfeC7KaEF90/W2MpvYdYg5j822UO4SyZM9QFJJWyfv4c3p EMVebdBKo8mdGQF5fmEYqJ0UDN4OpYzvhVLWmoZdSlyTKG5H4lkWNttOzgYGN4fc7v/+ RBnnpSRzSf8TBTkCYHap+r3obAA+uvr59ysHv1FenOGVOWWYffCC9uz7Stk4AkB7Y0EQ rijn7K88hTI/h1+pr/qw1dBej3y2QWdeXX4L/3GvEClerQSpgR8ZaL0GBGgzWJCrwyRV Z0R9ZTA4rTp1i04jBb9kUKdz7DSbwGxPN6i9UZMWDBlGFyZw3eDyxg6FiD3gHz03rfkN 4x6Q== X-Gm-Message-State: AOAM5309hoC7Jn6fNR9HoFvj1du2lqXI2tgH0cJCUN0N73yv+SwGeih5 DSVntqjCl/89ADognwnYaJVu6quVwNZPjw== X-Google-Smtp-Source: ABdhPJyWhGtAN6GDqtJoQrHHMpE5bJz9i3XBQgHjlnUMw+MecSJ/2DLv0T8jzJyz2kslTonNtemGcw== X-Received: by 2002:a9d:460b:0:b0:605:da9d:31eb with SMTP id y11-20020a9d460b000000b00605da9d31ebmr286735ote.286.1651000528069; Tue, 26 Apr 2022 12:15:28 -0700 (PDT) Received: from birita.. ([2804:431:c7ca:4214:745b:d03c:b667:123b]) by smtp.gmail.com with ESMTPSA id 123-20020a4a0181000000b00324a1217e96sm5884129oor.35.2022.04.26.12.15.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Apr 2022 12:15:27 -0700 (PDT) To: libc-alpha@sourceware.org, Florian Weimer Subject: [PATCH v2 0/4] Move libio lock single-thread optimization to generic libc-lock Date: Tue, 26 Apr 2022 16:15:19 -0300 Message-Id: <20220426191523.833171-1-adhemerval.zanella@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-6.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Adhemerval Zanella via Libc-alpha From: Adhemerval Zanella Reply-To: Adhemerval Zanella Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" This patchset removes some old unused code (_IO_lock_inexpensive and _IO_MTSAFE_IO), consolidate the stdio-lock.h and move the single-thread lock optimization to generic code instead of per-function usage. Adhemerval Zanella (4): libio: Assume _IO_MTSAFE_IO Consolidate stdio-lock.h Move libio lock single-thread optimization to generic libc-lock (BZ #27842) Assume _LIBC and libc module for libc-lock.h Makeconfig | 2 - debug/Makefile | 43 +++++-------- grp/Makefile | 4 +- gshadow/Makefile | 4 +- htl/Makefile | 2 - hurd/vpprintf.c | 4 -- include/stdio.h | 2 +- libio/Makefile | 2 - libio/Versions | 3 - libio/clearerr.c | 4 -- libio/feof.c | 7 --- libio/ferror.c | 6 -- libio/fileno.c | 2 +- libio/fputc.c | 7 --- libio/genops.c | 66 ------------------- libio/getc.c | 8 --- libio/getchar.c | 7 --- libio/iofdopen.c | 4 -- libio/iofflush.c | 7 --- libio/iofgets.c | 7 --- libio/iofopen.c | 4 -- libio/iofopncook.c | 6 -- libio/iofputs.c | 7 --- libio/iofread.c | 6 -- libio/iofwrite.c | 6 +- libio/iopopen.c | 14 ----- libio/ioungetc.c | 2 - libio/iovdprintf.c | 2 - libio/iovsprintf.c | 2 - libio/libio.h | 30 +++------ libio/libioP.h | 30 ++------- libio/memstream.c | 7 --- libio/obprintf.c | 2 - libio/oldiofdopen.c | 4 -- libio/oldiofopen.c | 4 -- libio/oldiopopen.c | 14 ----- libio/oldstdfiles.c | 6 -- libio/putc.c | 7 --- libio/putchar.c | 5 -- libio/stdfiles.c | 11 +--- libio/vasprintf.c | 2 - libio/vsnprintf.c | 2 - libio/vswprintf.c | 2 - libio/wgenops.c | 2 - libio/wmemstream.c | 7 --- nptl/Makefile | 3 - nptl/pthread_create.c | 3 - pwd/Makefile | 1 - shadow/Makefile | 4 +- stdio-common/Makefile | 2 - stdio-common/flockfile.c | 1 - stdio-common/vfprintf-internal.c | 4 -- stdlib/Makefile | 9 --- stdlib/strfmon_l.c | 2 - stdlib/strfrom-skeleton.c | 2 - sysdeps/generic/stdio-lock.h | 25 +++----- sysdeps/htl/stdio-lock.h | 57 ----------------- sysdeps/ieee754/float128/Makefile | 4 -- sysdeps/mach/libc-lock.h | 18 ++---- sysdeps/nptl/libc-lock.h | 74 ++++------------------ sysdeps/nptl/stdio-lock.h | 101 ------------------------------ sysdeps/unix/sysv/linux/Makefile | 1 - wcsmbs/Makefile | 2 - 63 files changed, 65 insertions(+), 623 deletions(-) delete mode 100644 sysdeps/htl/stdio-lock.h delete mode 100644 sysdeps/nptl/stdio-lock.h