Alan Cox <[EMAIL PROTECTED]> writes: > On Fri, 22 Jun 2007 15:57:08 -0700 > Yinghai Lu <[EMAIL PROTECTED]> wrote: > >> Alan Cox wrote: >> >> > Don't disable it, just don't touch it or any of its mappings. Leave it >> > *alone*, and use swiotlb. That'll maximise the ability to recover stuff >> > from the kexec kernel (since for one you may want to dump the gart when a >> > 3d app goes kerblam) >> >> How about LinuxBIOS + Kernel ===> Final kernel path? >> someday EFI(PEI) + Kernel ===> Final kernel path need that too. >> >> or the normal kexec path still could have clean shutdown. > > The kexec path for kdump should be swiotlb and leave the GART alone as > you are dumping as much state as you can and leaving stuff as is when > possible. The new-kernel case you shut everything down so you can shut > down the GART in the old kernel and re-initialise it in the new one
Agreed. Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/