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(parent: 19272b3) | patch
efi: add ovmf debug log driver
authorGerd Hoffmann <kraxel@redhat.com>
Tue, 8 Jul 2025 12:56:23 +0000 (14:56 +0200)
committerArd Biesheuvel <ardb@kernel.org>
Wed, 9 Jul 2025 10:31:38 +0000 (20:31 +1000)
commitf393a761763c542761abcf978252d431269366d6
tree8fcfb9188f64b2805d91fe42729d9f737c9b4c0ftree
parent19272b37aa4f83ca52bdf9c16d5d81bdd1354494commit | diff
efi: add ovmf debug log driver

Recent OVMF versions (edk2-stable202508 + newer) can write their debug
log to a memory buffer.  This driver exposes the log content via sysfs
(/sys/firmware/efi/ovmf_debug_log).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
drivers/firmware/efi/Kconfig diff | blob | blame | history
drivers/firmware/efi/Makefile diff | blob | blame | history
drivers/firmware/efi/efi.c diff | blob | blame | history
drivers/firmware/efi/ovmf-debug-log.c [new file with mode: 0644] blob
include/linux/efi.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)