Message ID | 20211027211715.12671-7-digetx@gmail.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show
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[46.138.41.28]) by smtp.gmail.com with ESMTPSA id d7sm104336ljl.18.2021.10.27.14.18.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Oct 2021 14:18:03 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion <xen-devel.lists.xenproject.org> List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe> List-Post: <mailto:xen-devel@lists.xenproject.org> List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help> List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe> Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org> X-Inumbo-ID: ed0e3168-9c8e-4547-b3ab-80654ef25559 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=iOJthmuPEC7IB5L8OM1uajmE3s/Ei+DiZXNIsEtdoSk=; b=M6DsUnX+Dqnnl5/0WkKsChXFOe/dRyATOHCL/N/d/DYRaMuFNhNXN2y8l/5KKDdvO8 HePUBv3ijZ6wA1hQMS8r/8Dy8p8fDstfsgPNvYzogEnoiN08aVSWSCzuevGifeB4Cbsl JU+F7xYiyB1f3JwKGti4sTNyf7tgTKcPyJdN2KeBPBno+Y11B21cmAzeN1UTCPeELLZl qo9vl+NLInil/J95xFZK38OdgQBYthlLceqQb/6Zg0gcqPneeFesfA544/Mc5a4V8TTa vBfOArxwV6NLDS9FtxVb4oHCbiHa9QgKi34nHbfFFiWQfKG+GQY4kpTfJykuXmLPssEZ NnyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=iOJthmuPEC7IB5L8OM1uajmE3s/Ei+DiZXNIsEtdoSk=; b=v2Wu1pBzcuimhXiQpobWtfPQk1jmkCVHOFitT/T+vNyNgxEblaa05wvJxqwIEACx/c kWCPNkiUfpofFZ8AzXxfF1h9GgiZwIlHx7woH8y3b5mwakOLaOGgNgeifd1j4xjcqjyU hFi3faP/fl4NGm7Rb/HtWWZDIwHQ9ZGX60IUclnmsKfivqGZuRP42PdUaNZp3Um51oK4 tqYBUM+C7Rwy+y2w4KBtvNyxLLfHCYi3r4SnU5FFrmtPSdnl1SQ0OvA8fYqrvCl0hd7g 5Oy24C6s7ppuP/UNcg6a6zQdAhuPicPDZMfegF3KA14DpFoietjAM59eHz4+AQgTysZh WuGg== X-Gm-Message-State: AOAM532sWDDIKQt36CQ3TnAQ6ct21G3ht4iBnLlolyOyxUdF36n54XjA TwnCkHeHtO//ZgXQlW5pYas= X-Google-Smtp-Source: ABdhPJySbOm+27yOjORJjCzB1RrKvb62o79gukvdjDZzwYphfPzvlvqWgT3cY5UK3KGllNbg7CmL+w== X-Received: by 2002:a05:6512:344a:: with SMTP id j10mr74981lfr.653.1635369483872; Wed, 27 Oct 2021 14:18:03 -0700 (PDT) From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Lee Jones <lee.jones@linaro.org>, "Rafael J . Wysocki" <rafael@kernel.org>, Mark Brown <broonie@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Guenter Roeck <linux@roeck-us.net>, Russell King <linux@armlinux.org.uk>, Daniel Lezcano <daniel.lezcano@linaro.org>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Ulf Hansson <ulf.hansson@linaro.org> Cc: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>, Geert Uytterhoeven <geert@linux-m68k.org>, Greg Ungerer <gerg@linux-m68k.org>, Joshua Thompson <funaho@jurai.org>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, Nick Hu <nickhu@andestech.com>, Greentime Hu <green.hu@gmail.com>, Vincent Chen <deanbo422@gmail.com>, "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>, Helge Deller <deller@gmx.de>, Michael Ellerman <mpe@ellerman.id.au>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Yoshinori Sato <ysato@users.sourceforge.jp>, Rich Felker <dalias@libc.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Juergen Gross <jgross@suse.com>, Stefano Stabellini <sstabellini@kernel.org>, Len Brown <lenb@kernel.org>, Santosh Shilimkar <ssantosh@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>, Linus Walleij <linus.walleij@linaro.org>, Chen-Yu Tsai <wens@csie.org>, =?utf-8?q?Jonathan_Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>, Tony Lindgren <tony@atomide.com>, Liam Girdwood <lgirdwood@gmail.com>, Philipp Zabel <p.zabel@pengutronix.de>, Vladimir Zapolskiy <vz@mleia.com>, Avi Fishman <avifishman70@gmail.com>, Tomer Maimon <tmaimon77@gmail.com>, Tali Perry <tali.perry1@gmail.com>, Patrick Venture <venture@google.com>, Nancy Yuen <yuenn@google.com>, Benjamin Fair <benjaminfair@google.com>, Pavel Machek <pavel@ucw.cz>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, xen-devel@lists.xenproject.org, linux-acpi@vger.kernel.org, linux-omap@vger.kernel.org, openbmc@lists.ozlabs.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v2 06/45] reboot: Warn if unregister_restart_handler() fails Date: Thu, 28 Oct 2021 00:16:36 +0300 Message-Id: <20211027211715.12671-7-digetx@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211027211715.12671-1-digetx@gmail.com> References: <20211027211715.12671-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit |
Series |
Introduce power-off+restart call chain API
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expand
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diff --git a/kernel/reboot.c b/kernel/reboot.c index d39e599c3c99..291d44082f42 100644 --- a/kernel/reboot.c +++ b/kernel/reboot.c @@ -210,7 +210,7 @@ EXPORT_SYMBOL(register_restart_handler); */ int unregister_restart_handler(struct notifier_block *nb) { - return atomic_notifier_chain_unregister(&restart_handler_list, nb); + return WARN_ON(atomic_notifier_chain_unregister(&restart_handler_list, nb)); } EXPORT_SYMBOL(unregister_restart_handler);
Emit warning if unregister_restart_handler() fails since it never should fail. This will ease further API development by catching mistakes early. Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- kernel/reboot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)