Commit 75adbd13 authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull EFI fix from Ingo Molnar:
 "Fix a UEFI mixed mode (64-bit kernel on 32-bit UEFI) reboot loop
  regression"

* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi/x86: Fix mixed mode reboot loop by removing pointless call to PciIo->Attributes()
parents ae4ea397 e2967018
...@@ -114,18 +114,12 @@ __setup_efi_pci(efi_pci_io_protocol_t *pci, struct pci_setup_rom **__rom) ...@@ -114,18 +114,12 @@ __setup_efi_pci(efi_pci_io_protocol_t *pci, struct pci_setup_rom **__rom)
struct pci_setup_rom *rom = NULL; struct pci_setup_rom *rom = NULL;
efi_status_t status; efi_status_t status;
unsigned long size; unsigned long size;
uint64_t attributes, romsize; uint64_t romsize;
void *romimage; void *romimage;
status = efi_call_proto(efi_pci_io_protocol, attributes, pci,
EfiPciIoAttributeOperationGet, 0ULL,
&attributes);
if (status != EFI_SUCCESS)
return status;
/* /*
* Some firmware images contain EFI function pointers at the place where the * Some firmware images contain EFI function pointers at the place where
* romimage and romsize fields are supposed to be. Typically the EFI * the romimage and romsize fields are supposed to be. Typically the EFI
* code is mapped at high addresses, translating to an unrealistically * code is mapped at high addresses, translating to an unrealistically
* large romsize. The UEFI spec limits the size of option ROMs to 16 * large romsize. The UEFI spec limits the size of option ROMs to 16
* MiB so we reject any ROMs over 16 MiB in size to catch this. * MiB so we reject any ROMs over 16 MiB in size to catch this.
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment