From: Guenter Roeck <linux@roeck-us.net> To: Fu Wei <fu.wei@linaro.org> Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>, Linaro ACPI Mailman List <linaro-acpi@lists.linaro.org>, linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Wei Fu <tekkamanninja@gmail.com>, G Gregory <graeme.gregory@linaro.org>, Al Stone <al.stone@linaro.org>, Hanjun Guo <hanjun.guo@linaro.org>, Timur Tabi <timur@codeaurora.org>, Ashwin Chaugule <ashwin.chaugule@linaro.org>, Arnd Bergmann <arnd@arndb.de>, Vipul Gandhi <vgandhi@codeaurora.org>, Wim Van Sebroeck <wim@iguana.be>, Jon Masters <jcm@redhat.com>, Leo Duran <leo.duran@amd.com>, Jon Corbet <corbet@lwn.net>, Mark Rutland <mark.rutland@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, rjw@rjwysocki.net Subject: Re: [non-pretimeout,4/7] Watchdog: introduce ARM SBSA watchdog driver Date: Tue, 23 Jun 2015 08:21:31 -0700 [thread overview] Message-ID: <20150623152131.GA9990@roeck-us.net> (raw) In-Reply-To: <CADyBb7uGT9bTNiG7524wrd14xiFfgwoDNMq1_J2HDxiK-ogc8Q@mail.gmail.com> On Tue, Jun 23, 2015 at 09:26:35PM +0800, Fu Wei wrote: > Hi Guenter, [ ...] > > > >> + * When the first timeout occurs, WS0(SPI or LPI) is triggered, > >> + * the second timeout period(as long as the first timeout period) starts. > > > > no longer accurate if WOR is used for the second period. > > > >> + * In WS0 interrupt routine, panic() will be called for collecting > >> + * crashdown info. > >> + * If system can not recover from WS0 interrupt routine, then second > >> + * timeout occurs, WS1(reset or higher level interrupt) is triggered. > >> + * The two timeout period can be set by WOR(32bit). > > > > The second timeout period is determined by ... > > > >> + * WOR gives a maximum watch period of around 10s at the maximum > >> + * system counter frequency. > >> + * The System Counter shall run at maximum of 400MHz. > > > > "... at the maximum system counter frequency of 400 MHz.", and drop the > > last sentence. > > For the second timeout period, I have discussed with a kdump developers, > (1)10s maybe not good enough for all the case of panic + kdump, so > maybe we still need to use WCV in the second timeout period > (2)in the second timeout period, maybe we need to programme WCV for > two reason: a, trigger WS1 to reboot system ASAP; b, feed the watchdog > without cleanning WS0 flag. > > WHY we want to feed the watchdog (keepalive) without cleanning WS0 flag?? > REASON: > (1)if the system context is large, we may need to feed the dog until > we get all the things backed up. > (2)if system goes wrong, WS0 triggered, then panic--> kdump. if we > feed the dog by WRR or programming WOR, WS0 flag will be cleaned. Once > system goes wrong again, then panic again..... > So this system will be in a panic--kdump--panic--kdump loop, have not > chance to reset. > > So if we are in the second timeout period, we may need to always programme WCV. > The crashdump kernel is supposed to reload the watchdog driver, which will ping the watchdog. If it isn't able to do that in 10 seconds, something is wrong. > >> + > >> + status = readl_relaxed(gwdt->control_base + SBSA_GWDT_WCS); > >> + if (status & SBSA_GWDT_WCS_WS1) { > >> + dev_warn(dev, "System reset by WDT(WCV: %llx)\n", > >> + sbsa_gwdt_get_wcv(wdd)); > > > > WCV here only tells us how many clock cycles were executed since the > > system started (or something like that). So I still don't understand > > why it is valuable to print that number. > > this number provides the time of system reset, I thinks that may help > admin to analyse the system failure. > It doesn't mean anything to anyone but you since it is not in a well defined time scale. Also, I would be somewhat surprised if WCV would retain its value on reset. Much more likely it is the time (in clock cycles) since reset. Guenter
WARNING: multiple messages have this Message-ID (diff)
From: Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org> To: Fu Wei <fu.wei-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit-5C7GfCeVMHo@public.gmane.org>, Linaro ACPI Mailman List <linaro-acpi-cunTk1MwBs8s++Sfvej+rw@public.gmane.org>, linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Wei Fu <tekkamanninja-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, G Gregory <graeme.gregory-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Al Stone <al.stone-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Hanjun Guo <hanjun.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Timur Tabi <timur-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, Ashwin Chaugule <ashwin.chaugule-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>, Vipul Gandhi <vgandhi-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>, Wim Van Sebroeck <wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org>, Jon Masters <jcm-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Leo Duran <leo.duran-5C7GfCeVMHo@public.gmane.org>, Jon Corbet <corbet-T1hC0tSOHrs@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, Catalin Marinas <catalin.marinas-5wv7dgnIgG8@public.gmane.org>, Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>, rjw-LthD3rsA81gm4RdzfppkhA@public.gmane.org Subject: Re: [non-pretimeout,4/7] Watchdog: introduce ARM SBSA watchdog driver Date: Tue, 23 Jun 2015 08:21:31 -0700 [thread overview] Message-ID: <20150623152131.GA9990@roeck-us.net> (raw) In-Reply-To: <CADyBb7uGT9bTNiG7524wrd14xiFfgwoDNMq1_J2HDxiK-ogc8Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> On Tue, Jun 23, 2015 at 09:26:35PM +0800, Fu Wei wrote: > Hi Guenter, [ ...] > > > >> + * When the first timeout occurs, WS0(SPI or LPI) is triggered, > >> + * the second timeout period(as long as the first timeout period) starts. > > > > no longer accurate if WOR is used for the second period. > > > >> + * In WS0 interrupt routine, panic() will be called for collecting > >> + * crashdown info. > >> + * If system can not recover from WS0 interrupt routine, then second > >> + * timeout occurs, WS1(reset or higher level interrupt) is triggered. > >> + * The two timeout period can be set by WOR(32bit). > > > > The second timeout period is determined by ... > > > >> + * WOR gives a maximum watch period of around 10s at the maximum > >> + * system counter frequency. > >> + * The System Counter shall run at maximum of 400MHz. > > > > "... at the maximum system counter frequency of 400 MHz.", and drop the > > last sentence. > > For the second timeout period, I have discussed with a kdump developers, > (1)10s maybe not good enough for all the case of panic + kdump, so > maybe we still need to use WCV in the second timeout period > (2)in the second timeout period, maybe we need to programme WCV for > two reason: a, trigger WS1 to reboot system ASAP; b, feed the watchdog > without cleanning WS0 flag. > > WHY we want to feed the watchdog (keepalive) without cleanning WS0 flag?? > REASON: > (1)if the system context is large, we may need to feed the dog until > we get all the things backed up. > (2)if system goes wrong, WS0 triggered, then panic--> kdump. if we > feed the dog by WRR or programming WOR, WS0 flag will be cleaned. Once > system goes wrong again, then panic again..... > So this system will be in a panic--kdump--panic--kdump loop, have not > chance to reset. > > So if we are in the second timeout period, we may need to always programme WCV. > The crashdump kernel is supposed to reload the watchdog driver, which will ping the watchdog. If it isn't able to do that in 10 seconds, something is wrong. > >> + > >> + status = readl_relaxed(gwdt->control_base + SBSA_GWDT_WCS); > >> + if (status & SBSA_GWDT_WCS_WS1) { > >> + dev_warn(dev, "System reset by WDT(WCV: %llx)\n", > >> + sbsa_gwdt_get_wcv(wdd)); > > > > WCV here only tells us how many clock cycles were executed since the > > system started (or something like that). So I still don't understand > > why it is valuable to print that number. > > this number provides the time of system reset, I thinks that may help > admin to analyse the system failure. > It doesn't mean anything to anyone but you since it is not in a well defined time scale. Also, I would be somewhat surprised if WCV would retain its value on reset. Much more likely it is the time (in clock cycles) since reset. Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2015-06-23 15:21 UTC|newest] Thread overview: 550+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <=fu.wei@linaro.org> 2015-05-15 11:08 ` [PATCH 0/6] Watchdog: introdouce ARM SBSA watchdog driver fu.wei 2015-05-15 11:08 ` [PATCH 1/6] Documentation: add sbsa-gwdt.txt documentation fu.wei 2015-05-15 14:06 ` Arnd Bergmann 2015-05-15 14:06 ` Arnd Bergmann 2015-05-15 14:14 ` Fu Wei 2015-05-15 14:14 ` Fu Wei 2015-05-16 10:29 ` Fu Wei 2015-05-16 10:29 ` Fu Wei 2015-05-15 11:08 ` [PATCH 2/6] ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts fu.wei 2015-05-15 11:08 ` [PATCH 3/6] ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi fu.wei 2015-05-15 11:08 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-05-15 14:07 ` [Linaro-acpi] [PATCH 0/6] Watchdog: introdouce ARM SBSA watchdog driver Arnd Bergmann 2015-05-15 14:07 ` Arnd Bergmann 2015-05-16 10:33 ` Fu Wei 2015-05-16 10:33 ` Fu Wei 2015-05-15 11:24 ` [PATCH 4/6] Watchdog: introdouce "pretimeout" into framework fu.wei 2015-05-15 11:24 ` [PATCH 5/6] Watchdog: introdouce ARM SBSA watchdog driver fu.wei 2015-05-15 13:57 ` Arnd Bergmann 2015-05-16 12:01 ` Fu Wei 2015-05-16 12:01 ` Fu Wei 2015-05-16 12:26 ` Timur Tabi 2015-05-15 22:57 ` Guenter Roeck 2015-05-15 22:57 ` Guenter Roeck 2015-05-18 17:38 ` Fu Wei 2015-05-18 17:38 ` Fu Wei 2015-05-15 11:24 ` [PATCH 6/6] ACPI: import watchdog info of GTDT into platform device fu.wei 2015-05-15 13:33 ` [PATCH 4/6] Watchdog: introdouce "pretimeout" into framework Guenter Roeck 2015-05-15 13:49 ` Fu Wei 2015-05-15 13:55 ` Timur Tabi 2015-05-15 13:55 ` Timur Tabi 2015-05-15 17:59 ` Guenter Roeck 2015-05-15 18:01 ` Guenter Roeck 2015-05-15 18:01 ` Guenter Roeck 2015-05-18 17:22 ` Fu Wei 2015-05-18 17:22 ` Fu Wei 2015-05-15 14:04 ` Arnd Bergmann 2015-05-18 17:19 ` Fu Wei 2015-05-18 17:19 ` Fu Wei 2015-05-18 17:23 ` Guenter Roeck 2015-05-18 17:39 ` Fu Wei 2015-05-18 20:03 ` Arnd Bergmann 2015-05-18 20:14 ` Guenter Roeck 2015-05-18 20:14 ` Guenter Roeck 2015-05-19 1:12 ` Fu Wei 2015-05-19 1:12 ` Fu Wei 2015-05-21 8:32 ` [PATCH v2 0/7] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-05-21 8:32 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-05-21 8:32 ` [PATCH v2 1/7] clocksource: export "arch_timer_get_rate" for the other drivers fu.wei 2015-05-21 8:32 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-05-22 14:02 ` Hanjun Guo 2015-05-22 14:09 ` Timur Tabi 2015-05-22 15:16 ` Guenter Roeck 2015-05-22 16:22 ` Timur Tabi 2015-05-21 8:32 ` [PATCH v2 2/7] Documentation: add sbsa-gwdt.txt documentation fu.wei 2015-05-21 8:32 ` [PATCH v2 3/7] ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts fu.wei 2015-05-21 8:45 ` Arnd Bergmann 2015-05-21 8:49 ` Fu Wei 2015-05-21 8:49 ` Fu Wei 2015-05-21 8:32 ` [PATCH v2 4/7] ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi fu.wei 2015-05-21 20:33 ` Suravee Suthikulpanit 2015-05-21 20:33 ` Suravee Suthikulpanit 2015-05-21 8:32 ` [PATCH v2 5/7] Watchdog: introduce "pretimeout" into framework fu.wei 2015-05-21 9:04 ` Guenter Roeck 2015-05-21 10:05 ` Fu Wei 2015-05-21 10:05 ` Fu Wei 2015-05-21 10:17 ` Guenter Roeck 2015-05-21 10:50 ` Fu Wei 2015-05-21 10:50 ` Fu Wei 2015-05-21 13:28 ` Guenter Roeck 2015-05-21 10:11 ` Guenter Roeck 2015-05-21 15:32 ` Guenter Roeck 2015-05-21 15:32 ` Guenter Roeck 2015-05-22 5:17 ` Fu Wei 2015-05-25 3:09 ` Fu Wei 2015-05-25 3:09 ` Fu Wei 2015-05-22 6:30 ` Timo Kokkonen 2015-05-22 8:23 ` Fu Wei 2015-05-22 8:59 ` Timo Kokkonen 2015-05-22 10:46 ` Fu Wei 2015-05-22 10:46 ` Fu Wei 2015-05-22 12:14 ` Timo Kokkonen 2015-05-22 13:37 ` Guenter Roeck 2015-05-22 13:23 ` Guenter Roeck 2015-05-22 14:38 ` Fu Wei 2015-05-22 14:38 ` Fu Wei 2015-05-22 15:05 ` Guenter Roeck 2015-05-24 16:17 ` Fu Wei 2015-05-21 8:32 ` [PATCH v2 6/7] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-05-21 8:32 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-05-21 10:34 ` Guenter Roeck 2015-05-21 10:34 ` Guenter Roeck 2015-05-21 11:08 ` Fu Wei 2015-05-21 15:18 ` Guenter Roeck 2015-05-21 15:18 ` Guenter Roeck 2015-05-21 15:46 ` Fu Wei 2015-05-21 15:59 ` Guenter Roeck 2015-05-21 16:12 ` Fu Wei 2015-05-21 16:12 ` Fu Wei 2015-05-21 16:33 ` Timur Tabi 2015-05-21 16:33 ` Timur Tabi 2015-05-22 5:05 ` Fu Wei 2015-05-22 5:05 ` Fu Wei 2015-05-21 13:09 ` Timur Tabi 2015-05-21 15:28 ` Guenter Roeck 2015-05-21 15:28 ` Guenter Roeck 2015-05-25 3:43 ` Fu Wei 2015-05-25 3:43 ` Fu Wei 2015-05-25 3:46 ` Timur Tabi 2015-05-25 3:46 ` Timur Tabi 2015-05-25 4:11 ` Fu Wei 2015-05-25 4:11 ` Fu Wei 2015-05-21 15:42 ` Timur Tabi 2015-05-21 15:42 ` Timur Tabi 2015-05-23 16:28 ` Fu Wei 2015-05-23 16:50 ` Fu Wei 2015-05-23 19:40 ` Timur Tabi 2015-05-23 19:40 ` Timur Tabi 2015-05-23 20:01 ` Guenter Roeck 2015-05-23 20:01 ` Guenter Roeck 2015-05-23 20:27 ` Timur Tabi 2015-05-23 20:27 ` Timur Tabi 2015-05-23 20:44 ` Guenter Roeck 2015-05-24 10:50 ` Fu Wei 2015-05-24 10:15 ` Fu Wei 2015-05-24 14:15 ` Guenter Roeck 2015-05-24 14:15 ` Guenter Roeck 2015-05-24 15:50 ` Fu Wei 2015-05-24 15:50 ` Fu Wei 2015-05-24 16:23 ` Guenter Roeck 2015-05-24 16:47 ` Fu Wei 2015-05-24 16:58 ` Guenter Roeck 2015-05-24 16:58 ` Guenter Roeck 2015-05-24 17:04 ` Fu Wei 2015-05-24 17:04 ` Fu Wei 2015-05-24 15:02 ` Timur Tabi 2015-05-24 16:04 ` Fu Wei 2015-05-24 16:04 ` Fu Wei 2015-05-24 16:13 ` Timur Tabi 2015-05-24 16:13 ` Timur Tabi 2015-05-24 16:29 ` Guenter Roeck 2015-05-24 16:29 ` Guenter Roeck 2015-05-24 16:33 ` Fu Wei 2015-05-24 16:44 ` Timur Tabi 2015-05-24 16:50 ` Guenter Roeck 2015-05-24 16:52 ` Fu Wei 2015-05-24 17:19 ` Timur Tabi 2015-05-24 17:19 ` Timur Tabi 2015-05-24 17:23 ` Fu Wei 2015-05-24 17:32 ` Guenter Roeck 2015-05-24 17:32 ` Guenter Roeck 2015-05-24 17:47 ` Timur Tabi 2015-05-25 2:03 ` Fu Wei 2015-05-25 2:00 ` Fu Wei 2015-05-24 16:29 ` Fu Wei 2015-05-22 14:50 ` Hanjun Guo 2015-05-22 14:50 ` Hanjun Guo 2015-05-22 14:55 ` Arnd Bergmann 2015-05-22 15:01 ` Guenter Roeck 2015-05-22 15:01 ` Guenter Roeck 2015-05-22 15:18 ` Hanjun Guo 2015-05-22 15:18 ` Hanjun Guo 2015-05-22 15:24 ` [Linaro-acpi] " Arnd Bergmann 2015-05-22 15:24 ` Arnd Bergmann 2015-05-22 16:19 ` Timur Tabi 2015-05-22 20:13 ` Arnd Bergmann 2015-05-22 20:17 ` Timur Tabi 2015-05-23 7:25 ` Fu Wei 2015-05-23 7:25 ` Fu Wei 2015-05-22 16:19 ` Timur Tabi 2015-05-23 14:47 ` Fu Wei 2015-05-22 16:18 ` Timur Tabi 2015-05-23 15:08 ` Timur Tabi 2015-05-23 15:08 ` Timur Tabi 2015-05-23 17:26 ` Fu Wei 2015-05-23 18:35 ` Guenter Roeck 2015-05-23 18:37 ` Timur Tabi 2015-05-23 19:03 ` Fu Wei 2015-05-23 19:51 ` Guenter Roeck 2015-05-24 9:58 ` Fu Wei 2015-05-24 14:06 ` Guenter Roeck 2015-05-24 14:06 ` Guenter Roeck 2015-05-24 15:06 ` Timur Tabi 2015-05-24 15:06 ` Timur Tabi 2015-05-24 15:37 ` Fu Wei 2015-05-24 15:37 ` Fu Wei 2015-05-23 18:40 ` Timur Tabi 2015-05-23 19:14 ` Fu Wei 2015-05-23 19:14 ` Fu Wei 2015-05-23 19:21 ` Timur Tabi 2015-05-21 8:32 ` [PATCH v2 7/7] ACPI: import watchdog info of GTDT into platform device fu.wei 2015-05-22 15:38 ` Hanjun Guo 2015-05-22 15:38 ` Hanjun Guo 2015-05-23 19:46 ` Timur Tabi 2015-05-23 19:46 ` Timur Tabi 2015-05-21 8:46 ` [Linaro-acpi] [PATCH v2 0/7] Watchdog: introduce ARM SBSA watchdog driver Arnd Bergmann 2015-05-21 8:46 ` Arnd Bergmann 2015-05-21 9:01 ` Fu Wei 2015-05-21 9:01 ` Fu Wei 2015-05-21 20:36 ` Suravee Suthikulpanit 2015-05-21 20:36 ` Suravee Suthikulpanit 2015-05-22 5:08 ` Fu Wei 2015-05-25 10:03 ` [PATCH v3 0/6] " fu.wei 2015-05-25 10:03 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-05-25 10:03 ` [PATCH v3 1/6] Documentation: add sbsa-gwdt.txt documentation fu.wei 2015-05-25 10:03 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-05-25 10:03 ` [PATCH v3 2/6] ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts fu.wei 2015-05-25 10:03 ` [PATCH v3 3/6] ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi fu.wei 2015-05-25 10:03 ` [PATCH v3 4/6] Watchdog: introdouce "pretimeout" into framework fu.wei 2015-05-25 19:28 ` Guenter Roeck 2015-05-25 19:28 ` Guenter Roeck 2015-05-25 10:03 ` [PATCH v3 5/6] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-05-25 19:39 ` Guenter Roeck 2015-05-25 19:39 ` Guenter Roeck 2015-05-29 9:11 ` Fu Wei 2015-05-29 9:11 ` Fu Wei 2015-05-29 14:54 ` Guenter Roeck 2015-05-29 15:05 ` Fu Wei 2015-05-26 16:50 ` Timur Tabi 2015-05-29 10:17 ` Fu Wei 2015-05-29 10:17 ` Fu Wei 2015-05-29 13:28 ` Timur Tabi 2015-05-29 13:28 ` Timur Tabi 2015-05-29 14:32 ` Fu Wei 2015-05-29 14:32 ` Fu Wei 2015-05-29 15:46 ` Timur Tabi 2015-05-29 15:46 ` Timur Tabi 2015-05-29 17:53 ` Fu Wei 2015-05-29 18:27 ` Timur Tabi 2015-05-29 18:27 ` Timur Tabi 2015-05-29 22:10 ` Guenter Roeck 2015-05-29 22:10 ` Guenter Roeck 2015-06-01 7:50 ` Fu Wei 2015-05-25 10:03 ` [PATCH v3 6/6] ACPI: import watchdog info of GTDT into platform device fu.wei 2015-05-26 8:28 ` Hanjun Guo 2015-05-26 16:35 ` Timur Tabi 2015-05-26 18:24 ` Guenter Roeck 2015-05-26 18:24 ` Guenter Roeck 2015-05-27 3:01 ` Hanjun Guo 2015-05-27 3:08 ` Timur Tabi 2015-05-27 3:08 ` Timur Tabi 2015-05-26 12:28 ` Will Deacon 2015-05-26 12:28 ` Will Deacon 2015-05-26 15:02 ` Ashwin Chaugule 2015-05-26 15:02 ` Ashwin Chaugule 2015-05-26 15:18 ` Will Deacon 2015-05-26 15:18 ` Will Deacon 2015-05-26 15:35 ` Ashwin Chaugule 2015-05-26 15:35 ` Ashwin Chaugule 2015-05-26 15:35 ` Ashwin Chaugule 2015-05-26 15:36 ` Guenter Roeck 2015-05-26 15:36 ` Guenter Roeck 2015-05-26 16:27 ` Fu Wei 2015-05-26 16:27 ` Fu Wei 2015-05-27 10:44 ` Will Deacon 2015-05-27 10:44 ` Will Deacon 2015-05-29 11:13 ` Fu Wei 2015-05-29 11:13 ` Fu Wei 2015-06-02 4:05 ` [PATCH v4 0/7] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-06-02 4:05 ` [PATCH v4 1/7] Documentation: add sbsa-gwdt.txt documentation fu.wei 2015-06-02 4:05 ` [PATCH v4 2/7] ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts fu.wei 2015-06-02 4:05 ` [PATCH v4 3/7] ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi fu.wei 2015-06-02 4:05 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-02 4:05 ` [PATCH v4 4/7] Watchdog: introdouce "pretimeout" into framework fu.wei 2015-06-02 4:05 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-02 16:12 ` Guenter Roeck 2015-06-02 16:12 ` Guenter Roeck 2015-06-08 16:44 ` Fu Wei 2015-06-02 4:05 ` [PATCH v4 5/7] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-06-02 4:05 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-02 15:32 ` Timur Tabi 2015-06-02 15:32 ` Timur Tabi 2015-06-02 15:37 ` Guenter Roeck 2015-06-02 15:37 ` Guenter Roeck 2015-06-02 16:55 ` Fu Wei 2015-06-02 16:55 ` Fu Wei 2015-06-02 17:07 ` Guenter Roeck 2015-06-02 17:07 ` Guenter Roeck 2015-06-08 16:05 ` Fu Wei 2015-06-08 16:05 ` Fu Wei 2015-06-08 18:26 ` Guenter Roeck 2015-06-08 18:26 ` Guenter Roeck 2015-06-09 3:59 ` Fu Wei 2015-06-09 4:37 ` Guenter Roeck 2015-06-09 4:37 ` Guenter Roeck 2015-06-09 6:37 ` Fu Wei 2015-06-09 6:37 ` Fu Wei 2015-06-09 8:04 ` Guenter Roeck 2015-06-09 8:04 ` Guenter Roeck 2015-06-09 10:46 ` Fu Wei 2015-06-09 16:22 ` Guenter Roeck 2015-06-09 16:29 ` Timur Tabi 2015-06-09 16:29 ` Timur Tabi 2015-06-09 16:45 ` Guenter Roeck 2015-06-09 16:53 ` Timur Tabi 2015-06-09 16:53 ` Timur Tabi 2015-06-10 3:41 ` Fu Wei 2015-06-10 3:41 ` Fu Wei 2015-06-10 4:20 ` Fu Wei 2015-06-10 14:22 ` Timur Tabi 2015-06-10 14:22 ` Timur Tabi 2015-06-10 14:36 ` Fu Wei 2015-06-10 14:36 ` Fu Wei 2015-06-10 14:41 ` Fu Wei 2015-06-10 14:41 ` Fu Wei 2015-06-10 14:41 ` Fu Wei 2015-06-10 15:38 ` Fu Wei 2015-06-10 15:38 ` Fu Wei 2015-06-10 17:54 ` Fu Wei 2015-06-10 17:54 ` Fu Wei 2015-06-11 0:22 ` Timur Tabi 2015-06-11 0:22 ` Timur Tabi 2015-06-11 3:00 ` Fu Wei 2015-06-11 3:45 ` Timur Tabi 2015-06-11 3:45 ` Timur Tabi 2015-06-11 5:13 ` Guenter Roeck 2015-06-11 5:13 ` Guenter Roeck 2015-06-11 5:33 ` Fu Wei 2015-06-11 5:32 ` Fu Wei 2015-06-11 5:32 ` Fu Wei 2015-06-02 17:21 ` Timur Tabi 2015-06-02 17:21 ` Timur Tabi 2015-06-03 18:16 ` Timur Tabi 2015-06-03 18:16 ` Timur Tabi 2015-06-03 18:25 ` Guenter Roeck 2015-06-03 18:25 ` Guenter Roeck 2015-06-03 18:53 ` Timur Tabi 2015-06-03 18:53 ` Timur Tabi 2015-06-03 19:29 ` Arnd Bergmann 2015-09-10 22:45 ` Jon Masters 2015-09-14 4:21 ` Pratyush Anand 2015-09-14 15:27 ` Fu Wei 2015-09-14 15:27 ` Fu Wei 2015-09-14 8:51 ` Catalin Marinas 2015-09-15 3:16 ` Fu Wei 2015-09-15 3:16 ` Fu Wei 2015-06-08 16:10 ` Fu Wei 2015-06-02 4:05 ` [PATCH v4 6/7] ACPI: add GTDT table parse driver into ACPI driver fu.wei 2015-06-02 4:05 ` [PATCH v4 7/7] clocksource: simplify ACPI code in arm_arch_timer.c fu.wei 2015-06-10 13:41 ` [PATCH v5 0/8] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-06-10 13:41 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-10 13:41 ` [PATCH v5 1/8] Documentation: add sbsa-gwdt.txt documentation fu.wei 2015-06-10 13:41 ` [PATCH v5 2/8] ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts fu.wei 2015-06-10 13:41 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-10 13:41 ` [PATCH v5 3/8] ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi fu.wei 2015-06-10 13:41 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-10 13:41 ` [PATCH v5 4/8] Watchdog: introdouce "pretimeout" into framework fu.wei 2015-06-10 16:21 ` Guenter Roeck 2015-06-10 16:21 ` Guenter Roeck 2015-06-11 11:22 ` Fu Wei 2015-06-11 16:38 ` Guenter Roeck 2015-06-11 16:38 ` Guenter Roeck 2015-06-10 13:41 ` [PATCH v5 5/8] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-06-10 13:41 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-10 13:41 ` [PATCH v5 6/8] ACPI: add GTDT table parse driver into ACPI driver fu.wei 2015-06-10 13:41 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-10 13:41 ` [PATCH v5 7/8] Watchdog: enable ACPI GTDT support for ARM SBSA watchdog driver fu.wei 2015-06-10 13:41 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-10 13:41 ` [PATCH v5 8/8] clocksource: simplify ACPI code in arm_arch_timer.c fu.wei 2015-06-10 17:47 ` [PATCH non-pretimeout 0/7] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-06-10 17:47 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-10 17:47 ` [PATCH non-pretimeout 1/7] Documentation: add sbsa-gwdt.txt documentation fu.wei 2015-06-10 17:47 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-10 17:47 ` [PATCH non-pretimeout 2/7] ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts fu.wei 2015-06-10 17:47 ` [PATCH non-pretimeout 3/7] ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi fu.wei 2015-06-10 17:47 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-12 20:54 ` Timur Tabi 2015-06-12 20:54 ` Timur Tabi 2015-06-14 10:05 ` Fu Wei 2015-06-14 13:17 ` Timur Tabi 2015-06-14 13:17 ` Timur Tabi 2015-06-14 13:57 ` Guenter Roeck 2015-06-15 11:00 ` Fu Wei 2015-06-10 17:47 ` [PATCH non-pretimeout 4/7] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-06-11 5:33 ` Guenter Roeck 2015-06-11 5:33 ` Guenter Roeck 2015-06-11 5:44 ` Fu Wei 2015-06-11 5:49 ` Guenter Roeck 2015-06-11 5:59 ` Fu Wei 2015-06-11 5:59 ` Fu Wei 2015-06-11 16:28 ` [non-pretimeout,4/7] " Guenter Roeck 2015-06-23 13:26 ` Fu Wei 2015-06-23 15:21 ` Guenter Roeck [this message] 2015-06-23 15:21 ` Guenter Roeck 2015-06-23 16:17 ` Fu Wei 2015-06-23 16:43 ` Guenter Roeck 2015-06-23 17:01 ` Fu Wei 2015-06-23 17:01 ` Fu Wei 2015-06-12 3:57 ` [PATCH non-pretimeout 4/7] " Timur Tabi 2015-06-12 3:57 ` Timur Tabi 2015-06-14 10:15 ` Fu Wei 2015-06-14 10:15 ` Fu Wei 2015-06-10 17:47 ` [PATCH non-pretimeout 5/7] ACPI: add GTDT table parse driver into ACPI driver fu.wei 2015-06-11 11:14 ` Hanjun Guo 2015-06-10 17:47 ` [PATCH non-pretimeout 6/7] Watchdog: enable ACPI GTDT support for ARM SBSA watchdog driver fu.wei 2015-06-10 17:47 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-12 13:16 ` Timur Tabi 2015-06-10 17:47 ` [PATCH non-pretimeout 7/7] clocksource: simplify ACPI code in arm_arch_timer.c fu.wei 2015-06-10 17:47 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-23 14:16 ` [PATCH v6 0/8] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-06-23 14:16 ` [PATCH v6 1/8] Documentation: add sbsa-gwdt.txt documentation fu.wei 2015-06-23 14:16 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-07-14 14:49 ` Rob Herring 2015-07-14 14:49 ` Rob Herring 2015-07-14 15:48 ` Fu Wei 2015-07-14 15:48 ` Fu Wei 2015-07-15 12:52 ` Fu Wei 2015-07-15 12:52 ` Fu Wei 2015-06-23 14:16 ` [PATCH v6 2/8] ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts fu.wei 2015-06-23 14:16 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-23 14:16 ` [PATCH v6 3/8] ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi fu.wei 2015-06-23 14:16 ` [PATCH v6 4/8] Watchdog: introdouce "pretimeout" into framework fu.wei 2015-06-23 14:16 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-29 16:53 ` [PATCH v6 0/8] Watchdog: introduce ARM SBSA watchdog driver Fu Wei 2015-06-29 16:53 ` Fu Wei 2015-06-29 19:16 ` Guenter Roeck 2015-06-30 23:47 ` Fu Wei 2015-07-13 9:09 ` Fu Wei 2015-07-13 9:09 ` Fu Wei 2015-07-13 15:34 ` Guenter Roeck 2015-07-14 0:42 ` Fu Wei 2015-07-14 0:42 ` Fu Wei 2015-06-23 15:59 ` [PATCH v6 5/8] " fu.wei 2015-06-23 15:59 ` [PATCH v6 6/8] ACPI: add GTDT table parse driver into ACPI driver fu.wei 2015-06-23 15:59 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-07-23 8:32 ` Fu Wei 2015-07-23 8:32 ` Fu Wei 2015-07-23 8:32 ` Fu Wei 2015-06-23 15:59 ` [PATCH v6 7/8] Watchdog: enable ACPI GTDT support for ARM SBSA watchdog driver fu.wei 2015-06-23 15:59 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-06-23 15:59 ` [PATCH v6 8/8] clocksource: simplify ACPI code in arm_arch_timer.c fu.wei 2015-06-23 15:59 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-07-13 8:53 ` [PATCH v2 0/3] arm64: Add multiboot support (via fdt) for Xen boot fu.wei 2015-07-13 8:53 ` [PATCH v2 1/3] arm64: Add Xen boot support file fu.wei 2015-07-15 16:18 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-07-15 16:18 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-07-16 16:46 ` Ian Campbell 2015-07-16 16:46 ` Ian Campbell 2015-07-23 10:16 ` Fu Wei 2015-07-23 10:16 ` Fu Wei 2015-07-13 8:53 ` [PATCH v2 2/3] util/grub.d/20_linux_xen.in: Add arm64 support fu.wei 2015-07-14 3:53 ` Andrei Borzenkov 2015-07-14 3:53 ` Andrei Borzenkov 2015-07-14 9:41 ` Ian Campbell 2015-07-14 15:23 ` [Xen-devel] " Konrad Rzeszutek Wilk 2015-07-14 13:09 ` Fu Wei 2015-07-14 13:09 ` Fu Wei 2015-07-15 16:24 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-07-15 16:24 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-07-13 8:54 ` [PATCH v2 3/3] arm64: Add the introduction of Xen boot command fu.wei 2015-07-14 9:29 ` [Xen-devel] [PATCH v2 0/3] arm64: Add multiboot support (via fdt) for Xen boot Ian Campbell 2015-07-14 9:29 ` Ian Campbell 2015-07-14 11:56 ` Fu Wei 2015-07-15 15:56 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-07-15 15:56 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-07-23 5:16 ` [PATCH v3 0/4] arm64: Add Xen boot support (via fdt) fu.wei 2015-07-23 5:16 ` [PATCH v3 1/4] arm64: Add and export some accessor functions for xen boot fu.wei 2015-10-29 12:03 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-10-29 12:03 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-10-30 7:11 ` Fu Wei 2015-10-30 7:11 ` Fu Wei 2015-07-23 5:16 ` [PATCH v3 2/4] arm64: Add xen_boot module file fu.wei 2015-10-29 14:27 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-10-29 14:27 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-10-30 8:08 ` Fu Wei 2015-10-30 8:08 ` Fu Wei 2015-11-03 14:57 ` Fu Wei 2015-11-03 14:57 ` Fu Wei 2015-11-03 15:22 ` Ian Campbell 2015-11-03 15:22 ` Ian Campbell 2015-11-05 9:46 ` Fu Wei 2015-07-23 5:16 ` [PATCH v3 3/4] * util/grub.d/20_linux_xen.in: Add support of the XEN boot on aarch64 fu.wei 2015-10-29 15:25 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-10-29 15:25 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-10-29 19:53 ` Andrei Borzenkov 2015-10-29 19:53 ` Andrei Borzenkov 2015-10-30 8:44 ` Fu Wei 2015-10-30 8:44 ` Fu Wei 2015-10-30 9:50 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-10-30 9:50 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-10-30 10:07 ` Andrei Borzenkov 2015-10-30 10:07 ` Andrei Borzenkov [not found] ` <CAEaD8JOHR9QXa=ySc36a-ECF-7MUBgvaSVFw_BZxrXrvZA5u_A@mail.gmail.com> [not found] ` <CAA91j0XKvpgVVWuv79AEv6bguxrQrV4q+eG5Xtw+UBvMSmDF-w@mail.gmail.com> 2015-11-12 10:43 ` Vladimir 'φ-coder/phcoder' Serbinenko 2015-07-23 5:16 ` [PATCH v3 4/4] arm64: Add the introduction of xen boot commands in docs/grub.texi fu.wei 2015-08-04 8:34 ` [PATCH v3 0/4] arm64: Add Xen boot support (via fdt) Fu Wei 2015-09-08 3:38 ` Fu Wei 2015-09-30 16:00 ` Stefano Stabellini 2015-10-01 16:19 ` Stefano Stabellini 2015-10-29 2:43 ` Fu Wei 2015-10-29 6:06 ` Fu Wei 2015-10-29 11:00 ` Stefano Stabellini 2015-08-14 12:35 ` [PATCH] acpi, apei, arm64: APEI initial support for aarch64 fu.wei 2015-08-14 12:39 ` Fu Wei 2015-08-14 18:27 ` Zhang, Jonathan Zhixiong 2015-08-15 6:45 ` Fu Wei 2015-08-17 10:01 ` Will Deacon 2015-08-17 23:19 ` Zhang, Jonathan Zhixiong 2015-08-18 8:31 ` Will Deacon 2015-08-18 9:26 ` Fu Wei 2015-08-18 16:44 ` [PATCH v2 0/2] acpi, apei: add BERT support fu.wei 2015-08-18 16:44 ` [PATCH v2 1/2] acpi, apei: add Boot Error Record Table (BERT) support fu.wei 2015-12-16 10:29 ` Borislav Petkov 2016-01-06 18:21 ` Fu Wei 2016-01-06 18:31 ` Borislav Petkov 2015-08-18 16:44 ` [PATCH v2 2/2] acpi, apei, bert: Clear error status at the end of error handling fu.wei 2015-12-16 10:30 ` Borislav Petkov 2015-12-15 16:39 ` [Linaro-acpi] [PATCH v2 0/2] acpi, apei: add BERT support Timur Tabi 2016-01-06 18:24 ` Fu Wei 2015-08-24 17:01 ` [PATCH v7 0/8] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-08-24 17:01 ` [PATCH v7 1/8] Documentation: add sbsa-gwdt.txt documentation fu.wei 2015-08-24 17:01 ` [PATCH v7 2/8] ARM64: add SBSA Generic Watchdog device node in foundation-v8.dts fu.wei 2015-09-15 8:43 ` Dave Young 2015-09-15 8:43 ` Dave Young 2015-09-15 9:44 ` Pratyush Anand 2015-09-15 10:23 ` Fu Wei 2015-09-15 10:15 ` Fu Wei 2015-08-24 17:01 ` [PATCH v7 3/8] ARM64: add SBSA Generic Watchdog device node in amd-seattle-soc.dtsi fu.wei 2015-08-24 17:01 ` [PATCH v7 4/8] Watchdog: introdouce "pretimeout" into framework fu.wei 2015-08-24 17:01 ` [PATCH v7 5/8] Watchdog: introduce ARM SBSA watchdog driver fu.wei 2015-09-10 22:29 ` Jon Masters 2015-09-11 2:05 ` Guenter Roeck 2015-09-11 2:50 ` Guenter Roeck 2015-09-11 2:50 ` Guenter Roeck 2015-09-14 17:11 ` Fu Wei 2015-09-15 8:38 ` Dave Young 2015-09-15 10:07 ` Fu Wei 2015-09-16 1:57 ` Dave Young 2015-10-13 8:34 ` Fu Wei 2015-10-13 8:34 ` Fu Wei 2015-08-24 17:01 ` [PATCH v7 6/8] ACPI: add GTDT table parse driver into ACPI driver fu.wei 2015-08-24 17:01 ` [PATCH v7 7/8] Watchdog: enable ACPI GTDT support for ARM SBSA watchdog driver fu.wei 2015-08-24 17:01 ` [PATCH v7 8/8] clocksource: simplify ACPI code in arm_arch_timer.c fu.wei 2015-08-24 17:01 ` fu.wei-QSEj5FYQhm4dnm+yROfE0A 2015-08-24 17:50 ` Thomas Gleixner 2015-08-25 17:19 ` Fu Wei 2015-08-25 19:17 ` Thomas Gleixner 2015-08-25 19:17 ` Thomas Gleixner 2015-08-27 12:02 ` Hanjun Guo 2015-08-27 12:02 ` Hanjun Guo 2015-08-27 12:08 ` Thomas Gleixner 2015-08-27 12:28 ` Hanjun Guo 2015-08-27 12:28 ` Hanjun Guo 2015-08-27 13:36 ` Hanjun Guo 2015-08-27 13:40 ` Thomas Gleixner 2015-08-27 13:40 ` Thomas Gleixner 2015-08-27 13:51 ` Fu Wei 2015-09-14 18:05 ` Marc Zyngier 2015-09-14 18:05 ` Marc Zyngier 2015-09-30 17:13 ` [PATCH v7 0/8] Watchdog: introduce ARM SBSA watchdog driver Pratyush Anand 2015-09-30 17:22 ` Fu Wei 2016-02-25 6:50 ` [PATCH v2 0/4] arm64,xen: add xen_boot support into grup-mkconfig fu.wei
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