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Message-Id: <20100325.203414.149691680.davem@davemloft.net> Date: Thu, 25 Mar 2010 20:34:14 -0700 (PDT) From: David Miller <davem@...emloft.net> To: tglx@...utronix.de Cc: torvalds@...l.org, linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, akpm@...ux-foundation.org, mingo@...e.hu, peterz@...radead.org, alan@...rguk.ukuu.org.uk, andi@...stfloor.org, gregkh@...e.de, acme@...hat.com Subject: Re: [patch 0/2] Run interrupt handlers always with interrupts disabled From: Thomas Gleixner <tglx@...utronix.de> Date: Fri, 26 Mar 2010 00:06:44 -0000 > The following patch series removes the IRQF_DISABLED functionality > from the core interrupt code and runs all interrupt handlers with > interrupts disabled. > > IRQF_DISABLED is kept as a define and scheduled for feature removal. > > I booted and stressed that patches w/o any obvious fallout on more > than 20 different systems in my arsenal of test machines which > includes various embedded non x86 systems. > > To debug eventual latency issues we (admittedly I talked acme into > looking at that) want to extend perf with a top like tool to monitor > the maximum runtime of interrupt handlers with the already existing > tracepoints. Acked-by: David S. Miller <davem@...emloft.net> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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