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Merge tag 'stable-shared-branch-for-driver-tree' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into driver-core-next

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Ard writes:

Stable shared branch between EFI and driver tree

Stable shared branch to ease the integration of Hans's series to support
device firmware loaded from EFI boot service memory regions.

[PATCH v12 00/10] efi/firmware/platform-x86: Add EFI embedded fw support
https://lore.kernel.org/linux-efi/20200115163554.101315-1-hdegoede@redhat.com/

* tag 'stable-shared-branch-for-driver-tree' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi: Add embedded peripheral firmware support
  efi: Export boot-services code and data as debugfs-blobs
This commit is contained in:
Greg Kroah-Hartman
2020-03-20 14:50:48 +01:00
parent 99917e37b9 f0df68d5ba
commit 4445eb6d94
8 changed files with 264 additions and 0 deletions
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2
arch/x86/platform/efi/efi.c
View File

@@ -243,6 +243,7 @@ int __init efi_memblock_x86_reserve_range(void)
efi.memmap.desc_version);
memblock_reserve(pmap, efi.memmap.nr_map * efi.memmap.desc_size);
set_bit(EFI_PRESERVE_BS_REGIONS, &efi.flags);
return 0;
}
@@ -943,6 +944,7 @@ static void __init __efi_enter_virtual_mode(void)
goto err;
}
efi_check_for_embedded_firmwares();
efi_free_boot_services();
/*

4
arch/x86/platform/efi/quirks.c
View File

@@ -410,6 +410,10 @@ void __init efi_free_boot_services(void)
int num_entries = 0;
void *new, *new_md;
/* Keep all regions for /sys/kernel/debug/efi */
if (efi_enabled(EFI_DBG))
return;
for_each_efi_memory_desc(md) {
unsigned long long start = md->phys_addr;
unsigned long long size = md->num_pages << EFI_PAGE_SHIFT;