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Date: Fri, 3 Oct 2014 22:17:27 +0100
From: Matt Fleming <matt@...sole-pimps.org>
To: "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>
Cc: Peter Zijlstra <peterz@...radead.org>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL v2] EFI changes for v3.18
Folks,
This is a respin of the previous pull request for v3.18 EFI material
without the in_nmi() conditional locking in the EFI runtime lock patch.
In addition, I picked up a trivial patch to the rtc-efi driver from Ard
because no one else has responded to it in ~3 weeks, and included a
regression fix for the rtc-efi driver (tagged for stable) since we've
basically run out of -rcs now and it definitely isn't urgent enough to
postpone the merge window.
As before, merging this tag into Linus' tree causes some conflicts,
which I've fixed up and pushed out as the efi-next-merge branch, in case
you or Linus want to take a look at it. The conflicts are fairly
straight forward to resolve.
The following changes since commit 7d1311b93e58ed55f3a31cc8f94c4b8fe988a2b9:
Linux 3.17-rc1 (2014-08-16 10:40:26 -0600)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi.git tags/efi-next
for you to fetch changes up to 7efe665903d0d963b0ebf4cab25cc3ae32c62600:
rtc: Disable EFI rtc for x86 (2014-10-03 21:24:17 +0100)
----------------------------------------------------------------
* Implement new EFI runtime lock which is required by the UEFI
specification - Ard Biesheuvel
* Add new efi= x86 EFI boot stub parameter which mimics the way that
the regular kernel parameter works - Matt Fleming
* Improve error handling in efi-bgrt driver - Josh Triplett
* Extend the "noefi" kernel parameter to arm64, add an efi=noruntime
synonym - Dave Young
* Beautify the EFI memory map logs - Laszlo Ersek
* Fix compiler shadow warnings and improve variable names - Mark Rustad
* Remove unused efi_call() macros, update comments, tag initialization
functions with __init - Mathias Krause
* Add more informative efi_printk()s to the x86 EFI boot stub at the
firmware call-sites - Andre Müller
* Drop the in_nmi() checks from the EFI runtime locking code and
instead provide a new EFI variable operation to be used when we're in
a context that must not block - Matt Fleming
* Export a module alias for the rtc-efi driver for automatic loading by
udev - Ard Biesheuvel
* Disable building the rtc-efi driver for x86 since the time-related
EFI runtime services are notoriously crappy, and usually result in
crashes - Matt Fleming
----------------------------------------------------------------
Andre Müller (1):
x86/efi: Adding efi_printks on memory allocationa and pci.reads
Ard Biesheuvel (2):
efi: Implement mandatory locking for UEFI Runtime Services
efi: rtc-efi: Export platform:rtc-efi as module alias
Dave Young (6):
efi: Move noefi early param code out of x86 arch code
lib: Add a generic cmdline parse function parse_option_str
efi: Add kernel param efi=noruntime
arm64/efi: uefi_init error handling fix
arm64/efi: Do not enter virtual mode if booting with efi=noruntime or noefi
x86/efi: Clear EFI_RUNTIME_SERVICES if failing to enter virtual mode
Josh Triplett (1):
efi-bgrt: Add error handling; inform the user when ignoring the BGRT
Laszlo Ersek (5):
efi: Add macro for EFI_MEMORY_UCE memory attribute
efi: Introduce efi_md_typeattr_format()
x86: efi: Format EFI memory type & attrs with efi_md_typeattr_format()
ia64: efi: Format EFI memory type & attrs with efi_md_typeattr_format()
arm64: efi: Format EFI memory type & attrs with efi_md_typeattr_format()
Mark Rustad (1):
efi: Resolve some shadow warnings
Mathias Krause (4):
x86/efi: Remove unused efi_call* macros
x86/efi: Unexport add_efi_memmap variable
x86/efi: Update comment regarding required phys mapped EFI services
x86/efi: Mark initialization code as such
Matt Fleming (4):
efi: Add efi= parameter parsing to the EFI boot stub
efi: Provide a non-blocking SetVariable() operation
efi: Delete the in_nmi() conditional runtime locking
rtc: Disable EFI rtc for x86
Documentation/kernel-parameters.txt | 8 +-
arch/arm64/kernel/efi.c | 44 +++----
arch/ia64/kernel/efi.c | 6 +-
arch/x86/boot/compressed/eboot.c | 32 +++--
arch/x86/include/asm/efi.h | 31 ++---
arch/x86/platform/efi/efi-bgrt.c | 36 +++++-
arch/x86/platform/efi/efi.c | 52 ++++----
arch/x86/platform/efi/efi_32.c | 12 +-
arch/x86/platform/efi/efi_64.c | 6 +-
arch/x86/platform/efi/efi_stub_32.S | 4 +-
drivers/firmware/efi/efi.c | 79 ++++++++++++
drivers/firmware/efi/libstub/arm-stub.c | 4 +
drivers/firmware/efi/libstub/efi-stub-helper.c | 62 +++++++++-
drivers/firmware/efi/runtime-wrappers.c | 164 +++++++++++++++++++++++--
drivers/firmware/efi/vars.c | 61 +++++++--
drivers/rtc/Kconfig | 2 +-
drivers/rtc/rtc-efi.c | 1 +
include/linux/efi.h | 17 +++
include/linux/kernel.h | 1 +
lib/cmdline.c | 29 +++++
20 files changed, 528 insertions(+), 123 deletions(-)
--
Matt Fleming, Intel Open Source Technology Center
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