* [GIT PULL] EFI fix for v6.9 (#1)
@ 2024-05-03 11:03 Ard Biesheuvel
2024-05-03 21:44 ` pr-tracker-bot
0 siblings, 1 reply; 2+ messages in thread
From: Ard Biesheuvel @ 2024-05-03 11:03 UTC (permalink / raw
To: torvalds; +Cc: linux-efi, Ard Biesheuvel
From: Ard Biesheuvel <ardb@kernel.org>
Hello Linus,
Please pull the EFI fix below - it works around a shortcoming in the memory
acceptation API, which may apparently hog the CPU for long enough to trigger
the softlockup watchdog. Note that this only affects confidential VMs running
under the Intel TDX hypervisor, which is why I accepted this for now, but this
should obviously be fixed properly in the future.
The following changes since commit 0bbac3facb5d6cc0171c45c9873a2dc96bea9680:
Linux 6.9-rc4 (2024-04-14 13:38:39 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git tags/efi-urgent-for-v6.9-1
for you to fetch changes up to 1c5a1627f48105cbab81d25ec2f72232bfaa8185:
efi/unaccepted: touch soft lockup during memory accept (2024-04-24 19:11:34 +0200)
----------------------------------------------------------------
EFI fix for v6.9 (#1)
- Avoid triggering the softlockup watchdog when accepting large chunks
of memory from the hypervisor
----------------------------------------------------------------
Chen Yu (1):
efi/unaccepted: touch soft lockup during memory accept
drivers/firmware/efi/unaccepted_memory.c | 4 ++++
1 file changed, 4 insertions(+)
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2024-05-03 11:03 [GIT PULL] EFI fix for v6.9 (#1) Ard Biesheuvel
2024-05-03 21:44 ` pr-tracker-bot
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