Revision - f331e76 - x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls - origin: https://github.com/torvalds/linux

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Revision f331e766c4be33f4338574f3c9f7f77e98ab4571 authored by Hedi Berriche on 13 February 2019, 19:34:13 UTC, committed by Borislav Petkov on 15 February 2019, 14:19:56 UTC

x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls

Calls into UV firmware must be protected against concurrency, expose the
efi_runtime_lock to the UV platform, and use it to serialise UV BIOS
calls.

Signed-off-by: Hedi Berriche <hedi.berriche@hpe.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Russ Anderson <rja@hpe.com>
Reviewed-by: Dimitri Sivanich <sivanich@hpe.com>
Reviewed-by: Mike Travis <mike.travis@hpe.com>
Cc: Andy Shevchenko <andy@infradead.org>
Cc: Bhupesh Sharma <bhsharma@redhat.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-efi <linux-efi@vger.kernel.org>
Cc: platform-driver-x86@vger.kernel.org
Cc: stable@vger.kernel.org # v4.9+
Cc: Steve Wahl <steve.wahl@hpe.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190213193413.25560-5-hedi.berriche@hpe.com

1 parent 8cd8f0c

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Tip revision: f331e766c4be33f4338574f3c9f7f77e98ab4571 authored by Hedi Berriche on 13 February 2019, 19:34:13 UTC
x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls

Tip revision: f331e76

File	Mode	Size
Documentation
LICENSES
arch
block
certs
crypto
drivers
firmware
fs
include
init
ipc
kernel
lib
mm
net
samples
scripts
security
sound
tools
usr
virt
.clang-format	-rw-r--r--	12.7 KB
.cocciconfig	-rw-r--r--	59 bytes
.get_maintainer.ignore	-rw-r--r--	31 bytes
.gitattributes	-rw-r--r--	30 bytes
.gitignore	-rw-r--r--	1.5 KB
.mailmap	-rw-r--r--	10.7 KB
COPYING	-rw-r--r--	423 bytes
CREDITS	-rw-r--r--	96.9 KB
Kbuild	-rw-r--r--	1.7 KB
Kconfig	-rw-r--r--	563 bytes
MAINTAINERS	-rw-r--r--	481.0 KB
Makefile	-rw-r--r--	59.1 KB
README	-rw-r--r--	727 bytes

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x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls

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