From mboxrd@z Thu Jan 1 00:00:00 1970 From: dwmw2@infradead.org (David Woodhouse) Date: Fri, 17 Mar 2017 14:02:53 +0000 Subject: [PATCH v33 00/14] add kdump support In-Reply-To: <1489750991.17202.40.camel@infradead.org> References: <20170315095656.24992-1-takahiro.akashi@linaro.org> <1489750991.17202.40.camel@infradead.org> Message-ID: <1489759373.17202.44.camel@infradead.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, 2017-03-17 at 11:43 +0000, David Woodhouse wrote: > > Is this one going to be be my fault too? Looks like it isn't my fault. In ipi_cpu_crash_stop() we don't modify the online mask. Which is reasonable enough if we want to preserve its original contents from before the crash, but it does make that WARN_ON() in machine_kexec() a false positive. Btw, why is this a normal IPI and not something... less maskable? On x86 we use NMI for that... -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/x-pkcs7-signature Size: 4938 bytes Desc: not available URL: