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(parent: 6d128e1) | patch
efivars: check for EFI_RUNTIME_SERVICES
authorMatt Fleming <matt.fleming@intel.com>
Thu, 11 Jul 2013 06:30:33 +0000 (07:30 +0100)
committerMatt Fleming <matt.fleming@intel.com>
Thu, 11 Jul 2013 10:00:31 +0000 (11:00 +0100)
commitd320c079efd46db1be0640d00bd6723d9e738f9f
treea7569a0740d894e36e845971f9de35c3d9363b3ctree | snapshot
parent6d128e1e72bf082542e85f72e6b7ddd704193588commit | diff
efivars: check for EFI_RUNTIME_SERVICES

The efivars code requires EFI runtime services to function, so check
that they are enabled.

This fixes a crash when booting with the "noefi" kernel parameter, and
also when mixing kernel and firmware "bitness", e.g. 32-bit kernel with
64-bit firmware.

Tested-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
drivers/firmware/efi/efivars.c diff | blob | history
Domain: SDK / Emulator;