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linux-uconsole/drivers/firmware/efi
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Hedi Berriche cdc3568556 x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls 
commit f331e766c4 upstream.

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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-20 10:25:48 +01:00
..
libstub efi/libstub: Disable some warnings for x86{,_64} 2019-01-26 09:32:36 +01:00
test License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
apple-properties.c device property: Get rid of union aliasing 2018-05-17 12:47:21 +02:00
arm-init.c efi/arm: Revert deferred unmap of early memmap mapping 2018-12-01 09:37:33 +01:00
arm-runtime.c efi/arm: Revert deferred unmap of early memmap mapping 2018-12-01 09:37:33 +01:00
capsule-loader.c efi/capsule-loader: Don't output reset log when reset flags are not set 2018-05-14 08:57:49 +02:00
capsule.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
cper-arm.c efi/cper: Remove the INDENT_SP silliness 2018-05-14 08:57:47 +02:00
cper-x86.c efi: Decode IA32/X64 Context Info structure 2018-05-14 08:57:48 +02:00
cper.c efi/cper: Use consistent types for UUIDs 2018-07-22 14:13:43 +02:00
dev-path-parser.c efi: Add device path parser 2016-11-13 08:23:15 +01:00
efi-bgrt.c efi/bgrt: Drop __initdata from bgrt_image_size 2018-07-03 17:43:10 +02:00
efi-pstore.c pstore: Convert internal records to timespec64 2018-06-05 16:57:31 -07:00
efi.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-08-13 16:29:35 -07:00
efibc.c efibc: Report more information in the error messages 2016-06-27 13:06:54 +02:00
efivars.c efi: Don't use spinlocks for efi vars 2016-09-09 16:08:42 +01:00
esrt.c efi/esrt: Only call efi_mem_reserve() for boot services memory 2018-07-17 09:15:05 +02:00
fake_mem.c x86/efi: Don't allocate memmap through memblock after mm_init() 2017-01-07 08:58:07 +01:00
Kconfig efi/libstub/arm: default EFI_ARMSTUB_DTB_LOADER to y 2018-09-12 16:41:41 +02:00
Makefile efi: Decode IA32/X64 Processor Error Section 2018-05-14 08:57:47 +02:00
memattr.c x86/efi: Add support for EFI_MEMORY_ATTRIBUTES_TABLE 2017-02-01 08:45:44 +01:00
memmap.c efi/arm: Revert deferred unmap of early memmap mapping 2018-12-01 09:37:33 +01:00
reboot.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
runtime-map.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
runtime-wrappers.c x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls 2019-02-20 10:25:48 +01:00
tpm.c efi: call get_event_log before ExitBootServices 2018-01-08 12:58:35 +02:00
vars.c firmware/efi: Add NULL pointer checks in efivars API functions 2019-02-12 19:47:04 +01:00