Message ID | 20110121002323.e9cbf9ae.akpm@linux-foundation.org (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show
Return-Path: <linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org> X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from bilbo.ozlabs.org (localhost [127.0.0.1]) by ozlabs.org (Postfix) with ESMTP id E7FEDB765B for <patchwork-incoming@ozlabs.org>; Fri, 21 Jan 2011 19:31:09 +1100 (EST) Received: from smtp1.linux-foundation.org (smtp1.linux-foundation.org [140.211.169.13]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "smtp.linux-foundation.org", Issuer "CA Cert Signing Authority" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 1D603B7116; Fri, 21 Jan 2011 19:26:30 +1100 (EST) Received: from imap1.linux-foundation.org (imap1.linux-foundation.org [140.211.169.55]) by smtp1.linux-foundation.org (8.14.2/8.13.5/Debian-3ubuntu1.1) with ESMTP id p0L8NTlR029871 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 21 Jan 2011 00:23:29 -0800 Received: from localhost (localhost [127.0.0.1]) by imap1.linux-foundation.org (8.13.5.20060308/8.13.5/Debian-3ubuntu1.1) with SMTP id p0L8NNJq030858; Fri, 21 Jan 2011 00:23:23 -0800 Date: Fri, 21 Jan 2011 00:23:23 -0800 From: Andrew Morton <akpm@linux-foundation.org> To: Geert Uytterhoeven <geert@linux-m68k.org> Subject: Re: [PATCH] change acquire/release_console_sem() to console_lock/unlock() Message-Id: <20110121002323.e9cbf9ae.akpm@linux-foundation.org> In-Reply-To: <AANLkTinN2+pNGk1hwrcMhH5qDNZK=Egrw7P6c-cdJTmH@mail.gmail.com> References: <1295539104-13210-1-git-send-email-torbenh@gmx.de> <20110120163448.GA30588@suse.de> <20110120165502.GA10832@siel.b> <20110120123507.ac89c034.akpm@linux-foundation.org> <AANLkTinN2+pNGk1hwrcMhH5qDNZK=Egrw7P6c-cdJTmH@mail.gmail.com> X-Mailer: Sylpheed 2.7.1 (GTK+ 2.18.9; x86_64-redhat-linux-gnu) Mime-Version: 1.0 X-Spam-Status: No, hits=-104.985 required=5 tests=AWL, BAYES_00, OSDL_HEADER_SUBJECT_BRACKETED, PATCH_SUBJECT_OSDL, USER_IN_WHITELIST X-Spam-Checker-Version: SpamAssassin 3.2.4-osdl_revision__1.47__ X-MIMEDefang-Filter: lf$Revision: 1.188 $ X-Scanned-By: MIMEDefang 2.63 on 140.211.169.13 X-Mailman-Approved-At: Fri, 21 Jan 2011 19:30:47 +1100 Cc: linux-fbdev@vger.kernel.org, Greg KH <gregkh@suse.de>, Lars-Peter Clausen <lars@metafoo.de>, James Hogan <james@albanarts.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel.vetter@ffwll.ch>, linux-omap@vger.kernel.org, Jesse Barnes <jbarnes@virtuousgeek.org>, "James E.J. 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--- a/kernel/printk.c~change-acquire-release_console_sem-to-console_lock-unlock-fix-2 +++ a/kernel/printk.c @@ -1058,7 +1058,7 @@ EXPORT_SYMBOL(console_lock); * Tried to acquire a lock which guarantees that the caller has * exclusive access to the console system and the console_drivers list. * - * returns -1 on success, and 0 on failure to acquire the lock. + * returns 1 on success, and 0 on failure to acquire the lock. */ int console_trylock(void) { @@ -1070,7 +1070,7 @@ int console_trylock(void) } console_locked = 1; console_may_schedule = 0; - return -1; + return 1; } EXPORT_SYMBOL(console_trylock);