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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-12 11:13:29 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2023-02-12 11:13:29 -0800 |
| commit | dd78af9fde7aeae427adf4bac6cf62ed84e8f898 (patch) | |
| tree | 7bfa4b5cc768980decdc7eb042fda9030fb94677 | |
| parent | 49a0bdb0a38e222d35c50644468856e2408764f0 (diff) | |
| parent | 190233164cd77115f8dea718cbac561f557092c6 (diff) | |
| download | linux-dd78af9fde7aeae427adf4bac6cf62ed84e8f898.tar.gz | |
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
| -rw-r--r-- | drivers/firmware/efi/libstub/arm64.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/firmware/efi/libstub/arm64.c b/drivers/firmware/efi/libstub/arm64.c index ff2d18c42ee749..4501652e11ab64 100644 --- a/drivers/firmware/efi/libstub/arm64.c +++ b/drivers/firmware/efi/libstub/arm64.c @@ -19,10 +19,13 @@ static bool system_needs_vamap(void) const u8 *type1_family = efi_get_smbios_string(1, family); /* - * Ampere Altra machines crash in SetTime() if SetVirtualAddressMap() - * has not been called prior. + * Ampere eMAG, Altra, and Altra Max machines crash in SetTime() if + * SetVirtualAddressMap() has not been called prior. */ - if (!type1_family || strcmp(type1_family, "Altra")) + if (!type1_family || ( + strcmp(type1_family, "eMAG") && + strcmp(type1_family, "Altra") && + strcmp(type1_family, "Altra Max"))) return false; efi_warn("Working around broken SetVirtualAddressMap()\n"); |