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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-20 14:50:48 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-20 14:50:48 +0100 |
| commit | 4445eb6d942a4ba0e6ac07ca555dec83577289e8 (patch) | |
| tree | 4d1faea4be5f8fa34117da379da12485db7ee991 /arch/x86/platform | |
| parent | 99917e37b9e78b96af304ddeb4f9b82a5948bbd9 (diff) | |
| parent | f0df68d5bae8825ee5b62f00af237ae82247f045 (diff) | |
| download | linux-4445eb6d942a4ba0e6ac07ca555dec83577289e8.tar.bz2 | |
Merge tag 'stable-shared-branch-for-driver-tree' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi into driver-core-next
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
Diffstat (limited to 'arch/x86/platform')
| -rw-r--r-- | arch/x86/platform/efi/efi.c | 2 | ||||
| -rw-r--r-- | arch/x86/platform/efi/quirks.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index ae923ee8e2b4..a4ea04603af3 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -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(); /* diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 88d32c06cffa..bada1037b711 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -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; |