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| author | Michael Brown <mcb30@ipxe.org> | 2020-11-30 17:08:58 +0000 |
|---|---|---|
| committer | Michael Brown <mcb30@ipxe.org> | 2020-11-30 19:34:57 +0000 |
| commit | 63625b43e9009833183f1921ed3753ba35d9261f (patch) | |
| tree | c34e2b8b2b382b96e4d2ca6131a20be000942551 /src/include/ipxe/efi | |
| parent | 354c252ee19ff32986f8af0cb80e171202741a20 (diff) | |
| download | ipxe-63625b43e9009833183f1921ed3753ba35d9261f.zip ipxe-63625b43e9009833183f1921ed3753ba35d9261f.tar.gz ipxe-63625b43e9009833183f1921ed3753ba35d9261f.tar.bz2 | |
[efi] Allow vetoing of drivers that cannot be unloaded
Some UEFI drivers (observed with the "Usb Xhci Driver" on an HP
EliteBook) are particularly badly behaved: they cannot be unloaded and
will leave handles opened with BY_DRIVER attributes even after
disconnecting the driver, thereby preventing a replacement iPXE driver
from opening the handle.
Allow such drivers to be vetoed by falling back to a brute-force
mechanism that will disconnect the driver from all handles, uninstall
the driver binding protocol (to prevent it from attaching to any new
handles), and finally close any stray handles that the vetoed driver
has left open.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/include/ipxe/efi')
| -rw-r--r-- | src/include/ipxe/efi/efi_veto.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/include/ipxe/efi/efi_veto.h b/src/include/ipxe/efi/efi_veto.h index f0c2255..c9ecbb0 100644 --- a/src/include/ipxe/efi/efi_veto.h +++ b/src/include/ipxe/efi/efi_veto.h @@ -8,6 +8,6 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); -extern void efi_veto_unload ( void ); +extern void efi_veto ( void ); #endif /* _IPXE_EFI_VETO_H */ |