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 at 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
