Messages in this thread | | | Date | Fri, 23 Jan 2004 08:34:26 +0100 | From | Pavel Machek <> | Subject | Re: swsusp vs pgdir |
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Hi!
> I've been bored enough today to hack on getting the current > pmdisk/swsusp up on ppc. The required arch code should be almost > identical. > > However, when looking at it, I didn't fully understand how you > actually ensure your page mappings aren't beeing blown away > behind your back during the copy operation on resume, but since > my knowledge of x86 is almost inexistant, I didn't decipher this > from the source code. Could you explain a bit ? > > The thing is that you seem to point to the swapper pgdir during > the copy, that is the kernel page tables, but those are beeing > wiped out during the copy potentially, no ?
We test that CPU has PSE feature. That means kernel is mapped using 4MB page tables, and I do not have to care about page tables at all. Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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