Hello Dave, On Wed, Dec 04, 2019 at 03:59:17PM +0800, Dave Young wrote: > > Signed-off-by: Dave Young <dyoung@xxxxxxxxxx> > > --- > > arch/x86/platform/efi/quirks.c | 6 ++---- > > 1 file changed, 2 insertions(+), 4 deletions(-) > > > > --- linux-x86.orig/arch/x86/platform/efi/quirks.c > > +++ linux-x86/arch/x86/platform/efi/quirks.c > > @@ -260,10 +260,6 @@ void __init efi_arch_mem_reserve(phys_ad > > return; > > } > > > > - /* No need to reserve regions that will never be freed. */ > > - if (md.attribute & EFI_MEMORY_RUNTIME) > > - return; > > - > > size += addr % EFI_PAGE_SIZE; > > size = round_up(size, EFI_PAGE_SIZE); > > addr = round_down(addr, EFI_PAGE_SIZE); > > @@ -293,6 +289,8 @@ void __init efi_arch_mem_reserve(phys_ad > > early_memunmap(new, new_size); > > > > efi_memmap_install(new_phys, num_entries); > > + e820__range_update(addr, size, E820_TYPE_RAM, E820_TYPE_RESERVED); > > + e820__update_table(e820_table); > > } > > > > /* > Michael, could you a one more test and provide a tested-by if it works > for you? Did three successful kexecs in sequence of mainline 5.4.0 plus the patch (had problems getting recent -next to boot on my machine). ESRT region stayed reserved and intact so that the "Invalid version" error message is gone. Tested-by: Michael Weiser <michael.weiser@xxxxxx> -- Thanks! Michael
