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Open Source and information security mailing list archives
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Date: Tue, 23 Oct 2007 10:29:24 +1000 From: Benjamin Herrenschmidt <benh@...nel.crashing.org> To: Linas Vepstas <linas@...tin.ibm.com> Cc: Michael Ellerman <michael@...erman.id.au>, netdev@...r.kernel.org, mcarlson@...adcom.com, linuxppc-dev list <linuxppc-dev@...abs.org>, mchan@...adcom.com, linux-pci@...ey.karlin.mff.cuni.cz, David Miller <davem@...emloft.net> Subject: Re: [PATCH 5/7] pci: Export the pci_restore_msi_state() function > > I don't know why you keep talking about powerpc laptops here ... > > Well, there are Apple laptops, right? Aren't those the "powermac" > platform? Now, I don't know if they support MSI, but if they do, > I get the impression that they might not restore msi state correctly, > after being put into hardware suspend. But perhaps I'm mistaken; > I was simply grepping for various msi-related functions in various > arch subdirectories, comparing x86 to other arches, and noticed > that code that would restore msi state seems to be missing for > most arches and most powerpc platforms. Ah ok, i see. Well, platforms that use write_msi_msg() shouldn't need anything special right ? So only pSeries is an issue here.... PowerBooks don't indeed have MSI support, though G5's do and some people have been toying around with suspend/resume on them (hibernation only at that stage) but it doesn't matter at this stage. We are specifically talking about pSeries which is the "special" case here. Ben. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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