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Diffstat (limited to 'debian/patches/MOK-BootServicesData.patch')
| -rw-r--r-- | debian/patches/MOK-BootServicesData.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/debian/patches/MOK-BootServicesData.patch b/debian/patches/MOK-BootServicesData.patch new file mode 100644 index 00000000..948b89b9 --- /dev/null +++ b/debian/patches/MOK-BootServicesData.patch @@ -0,0 +1,34 @@ +commit 4068fd42c891ea6ebdec056f461babc6e4048844 +Author: Gary Lin <glin@suse.com> +Date: Thu Apr 8 16:23:03 2021 +0800 + + mok: allocate MOK config table as BootServicesData + + Linux kernel is picky when reserving the memory for x86 and it only + expects BootServicesData: + + https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/x86/platform/efi/quirks.c?h=v5.11#n254 + + Otherwise, the following error would show during system boot: + + Apr 07 12:31:56.743925 localhost kernel: efi: Failed to lookup EFI memory descriptor for 0x000000003dcf8000 + + Although BootServicesData would be reclaimed after ExitBootService(), + linux kernel reserves MOK config table when it detects the existence of + the table, so it's fine to allocate the table as BootServicesData. + + Signed-off-by: Gary Lin <glin@suse.com> + +diff --git a/mok.c b/mok.c +index 9e37d6ab..9b8fc2bc 100644 +--- a/mok.c ++++ b/mok.c +@@ -999,7 +999,7 @@ EFI_STATUS import_mok_state(EFI_HANDLE image_handle) + npages = ALIGN_VALUE(config_sz, PAGE_SIZE) >> EFI_PAGE_SHIFT; + config_table = NULL; + efi_status = gBS->AllocatePages(AllocateAnyPages, +- EfiRuntimeServicesData, ++ EfiBootServicesData, + npages, + (EFI_PHYSICAL_ADDRESS *)&config_table); + if (EFI_ERROR(efi_status) || !config_table) { |