Messages in this thread | | | Date | Mon, 16 Dec 2013 16:35:01 +0000 | From | Matt Fleming <> | Subject | Re: [PATCH v6 14/14] x86: kdebugfs do not use __va for getting setup_data virt addr |
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On Mon, 16 Dec, at 05:30:35PM, Dave Young wrote: > kdump kernel will use memmap=exactmap kernel cmdline, but __va does not > work in case memmap=exactmap, so let's always use ioremap_cache. > > Signed-off-by: Dave Young <dyoung@redhat.com> > --- > arch/x86/kernel/kdebugfs.c | 35 +++++++++++------------------------ > 1 file changed, 11 insertions(+), 24 deletions(-)
Dave, I've no idea why this change is necessary from the commit log. Is it required for kexec to function on EFI? Why does __va() not work in the memmap=exactmap case?
-- Matt Fleming, Intel Open Source Technology Center
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