Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'efi-fixes-for-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fix from Ard Biesheuvel:
"A fix from Darren to widen the SMBIOS match for detecting Ampere Altra
machines with problematic firmware. In the mean time, we are working
on a more precise check, but this is still work in progress"
* tag 'efi-fixes-for-v6.2-4' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
arm64: efi: Force the use of SetVirtualAddressMap() on eMAG and Altra Max machines
+6
-3
+6
-3
drivers/firmware/efi/libstub/arm64.c
+6
-3
drivers/firmware/efi/libstub/arm64.c
···
19
19
const u8 *type1_family = efi_get_smbios_string(1, family);
20
20
21
21
/*
22
-
* Ampere Altra machines crash in SetTime() if SetVirtualAddressMap()
23
-
* has not been called prior.
22
+
* Ampere eMAG, Altra, and Altra Max machines crash in SetTime() if
23
+
* SetVirtualAddressMap() has not been called prior.
24
24
*/
25
-
if (!type1_family || strcmp(type1_family, "Altra"))
25
+
if (!type1_family || (
26
+
strcmp(type1_family, "eMAG") &&
27
+
strcmp(type1_family, "Altra") &&
28
+
strcmp(type1_family, "Altra Max")))
26
29
return false;
27
30
28
31
efi_warn("Working around broken SetVirtualAddressMap()\n");