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Message-ID: <1df38599-ace7-5673-4cbd-7861de385d79@igalia.com> Date: Mon, 17 Oct 2022 11:05:53 -0300 From: "Guilherme G. Piccoli" <gpiccoli@...lia.com> To: Dinh Nguyen <dinguyen@...nel.org>, Tony Luck <tony.luck@...el.com>, linux-edac@...r.kernel.org, bp@...en8.de Cc: kexec@...ts.infradead.org, bhe@...hat.com, pmladek@...e.com, akpm@...ux-foundation.org, linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org, netdev@...r.kernel.org, x86@...nel.org, kernel-dev@...lia.com, kernel@...ccoli.net, halves@...onical.com, fabiomirmar@...il.com, alejandro.j.jimenez@...cle.com, andriy.shevchenko@...ux.intel.com, arnd@...db.de, corbet@....net, d.hatayama@...fujitsu.com, dave.hansen@...ux.intel.com, dyoung@...hat.com, feng.tang@...el.com, gregkh@...uxfoundation.org, mikelley@...rosoft.com, hidehiro.kawai.ez@...achi.com, jgross@...e.com, john.ogness@...utronix.de, keescook@...omium.org, luto@...nel.org, mhiramat@...nel.org, mingo@...hat.com, paulmck@...nel.org, peterz@...radead.org, rostedt@...dmis.org, senozhatsky@...omium.org, stern@...land.harvard.edu, tglx@...utronix.de, vgoyal@...hat.com, vkuznets@...hat.com, will@...nel.org, xuqiang36@...wei.com Subject: Re: [PATCH V3 08/11] EDAC/altera: Skip the panic notifier if kdump is loaded On 18/09/2022 11:10, Guilherme G. Piccoli wrote: > On 19/08/2022 19:17, Guilherme G. Piccoli wrote: >> The altera_edac panic notifier performs some data collection with >> regards errors detected; such code relies in the regmap layer to >> perform reads/writes, so the code is abstracted and there is some >> risk level to execute that, since the panic path runs in atomic >> context, with interrupts/preemption and secondary CPUs disabled. >> >> Users want the information collected in this panic notifier though, >> so in order to balance the risk/benefit, let's skip the altera panic >> notifier if kdump is loaded. While at it, remove a useless header >> and encompass a macro inside the sole ifdef block it is used. >> >> Cc: Borislav Petkov <bp@...en8.de> >> Cc: Petr Mladek <pmladek@...e.com> >> Cc: Tony Luck <tony.luck@...el.com> >> Acked-by: Dinh Nguyen <dinguyen@...nel.org> >> Signed-off-by: Guilherme G. Piccoli <gpiccoli@...lia.com> >> >> --- >> >> V3: >> - added the ack tag from Dinh - thanks! >> - had a good discussion with Boris about that in V2 [0], >> hopefully we can continue and reach a consensus in this V3. >> [0] https://lore.kernel.org/lkml/46137c67-25b4-6657-33b7-cffdc7afc0d7@igalia.com/ >> >> V2: >> - new patch, based on the discussion in [1]. >> [1] https://lore.kernel.org/lkml/62a63fc2-346f-f375-043a-fa21385279df@igalia.com/ >> >> [...] > > Hi Dinh, Tony, Boris - sorry for the ping. Hey folks, apologies for the new ping. Is there anything to improve here maybe? Reviews / opinions are very appreciated! Cheers, Guilherme
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