Messages in this thread | | | Date | Wed, 28 Jul 2004 17:22:04 -0700 | From | Andrew Morton <> | Subject | Re: [Fastboot] Re: Announce: dumpfs v0.01 - common RAS output API |
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Alan Cox <alan@lxorguk.ukuu.org.uk> wrote: > > On Iau, 2004-07-29 at 00:17, Eric W. Biederman wrote: > > What is your concern with stopping DMA? > > - Not smashing the recovery routine. > > - Getting a corrupted core dump because of on-going DMA? > > Completely random happenings occurring when they are trivial to avoid. > Given all the worries about SHA signed in kernel standalone objects I > find it farcical that the same people don't even care about ensuring > something isnt DMAing over their dump partition description. >
eh? People do care. The point here is that we should stop the DMA in the dump kernel, not from within the broken kernel.
btw, if we simply insert a five-second-pause, what problems does that leave? Network Rx, which is OK. Disk writes will have completed (?). What remains?
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