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Date: Sat, 11 Aug 2018 17:57:28 +0100 From: Russell King - ARM Linux <linux@...linux.org.uk> To: Stefan Agner <stefan@...er.ch> Cc: catalin.marinas@....com, arnd@...db.de, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH] ARM: drop experimental mark for ARM stack unwinding On Sat, Aug 11, 2018 at 12:31:27PM +0200, Stefan Agner wrote: > ARM stack unwinding is upstream since 2009 and has been proven > working well. At this time it is the preferred stack unwinding > support since it also supports Thumb 2. Do not scare people > and drop the EXPERIMENTAL mark. Actually, there are still cases where we're missing the annotations - I've seen them in various oops dumps, but I forget where they are. What I do remember is that they didn't seem trivial to fix at the time, so it's still recommended that frame pointers are used if you want to guarantee getting a debuggable oops dump. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 13.8Mbps down 630kbps up According to speedtest.net: 13Mbps down 490kbps up
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