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Date: Tue, 13 Sep 2016 20:32:09 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Matt Fleming <matt@...eblueprint.co.uk>
Cc: Thomas Gleixner <tglx@...utronix.de>,
"H . Peter Anvin" <hpa@...or.com>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>,
linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
Alex Thorlton <athorlton@....com>,
Andy Lutomirski <luto@...capital.net>,
Borislav Petkov <bp@...en8.de>, Borislav Petkov <bp@...e.de>,
Colin Ian King <colin.king@...onical.com>,
Dave Young <dyoung@...hat.com>,
Dimitri Sivanich <sivanich@....com>,
Greg KH <gregkh@...uxfoundation.org>,
Ivan Hu <ivan.hu@...onical.com>,
James Morse <james.morse@....com>, joeyli <jlee@...e.com>,
Josh Boyer <jwboyer@...oraproject.org>,
Josh Triplett <josh@...htriplett.org>,
Julia Lawall <julia.lawall@...6.fr>,
Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
Leif Lindholm <leif.lindholm@...aro.org>,
Lukas Wunner <lukas@...ner.de>,
Mark Rutland <mark.rutland@....com>,
Markus Elfring <elfring@...rs.sourceforge.net>,
Michel Lespinasse <walken@...gle.com>,
Mike Travis <travis@....com>,
Mike Waychison <mikew@...gle.com>,
Môshe van der Sterre <me@...he.nl>,
Paolo Bonzini <pbonzini@...hat.com>,
Peter Jones <pjones@...hat.com>,
Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>,
Russ Anderson <rja@....com>,
Scott Lawson <scott.lawson@...el.com>,
Sylvain Chouleur <sylvain.chouleur@...il.com>,
Taku Izumi <izumi.taku@...fujitsu.com>,
Tony Luck <tony.luck@...el.com>,
Xishi Qiu <qiuxishi@...wei.com>
Subject: Re: [GIT PULL 00/29] EFI changes for v4.9
* Matt Fleming <matt@...eblueprint.co.uk> wrote:
> Folks, please queue up the following patches for v4.9. There's more
> work on refactoring EFI code to be architecture independent and the
> largest number of patches is spent cleaning up the EFI memory map code
> and allowing drivers on x86 to reserve EFI boot services for all of
> runtime.
>
> The architecture independent quest is going pretty well and it was
> only a couple of lines to get the esrt driver working on arm64.
>
> Other than that there's some cleanups and fixes, and a merge of the
> out of tree EFI runtime driver from the FWTS project.
>
> The following changes since commit c6935931c1894ff857616ff8549b61236a19148f:
>
> Linux 4.8-rc5 (2016-09-04 14:31:46 -0700)
>
> 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 0a637ee61247bd4bed9b2a07568ef7a1cfc76187:
>
> x86/efi: Allow invocation of arbitrary boot services (2016-09-09 16:08:57 +0100)
>
> ----------------------------------------------------------------
> * Refactor the EFI memory map code into architecture neutral files
> and allow drivers to permanently reserve EFI boot services regions
> on x86, as well as ARM/arm64 - Matt Fleming
>
> * Add ARM support for the EFI esrt driver - Ard Biesheuvel
>
> * Make the EFI runtime services and efivar API interruptible by
> swapping spinlocks for semaphores - Sylvain Chouleur
>
> * Provide the EFI identity mapping for kexec which allows kexec to
> work on SGI/UV platforms with requiring the "noefi" kernel command
> line parameter - Alex Thorlton
>
> * Add debugfs node to dump EFI page tables on arm64 - Ard Biesheuvel
>
> * Merge the EFI test driver being carried out of tree until now in
> the FWTS project - Ivan Hu
>
> * Expand the list of flags for classifying EFI regions as "RAM" on
> arm64 so we align with the UEFI spec - Ard Biesheuvel
>
> * Optimise out the EFI mixed mode if it's unsupported (CONFIG_X86_32)
> or disabled (CONFIG_EFI_MIXED=n) and switch the early EFI boot
> services function table for direct calls, alleviating us from
> having to maintain the custom function table - Lukas Wunner
>
> * Miscellaneous cleanups and fixes
>
> ----------------------------------------------------------------
> Alex Thorlton (1):
> x86/efi: Map in physical addresses in efi_map_region_fixed
>
> Ard Biesheuvel (5):
> efi/esrt: Use memremap not ioremap to access ESRT table in memory
> efi/arm*: esrt: Add missing call to efi_esrt_init()
> efi: Replace runtime services spinlock with semaphore
> efi/arm64: Add debugfs node to dump UEFI runtime page tables
> efi/arm64: Treat regions with WT/WC set but WB cleared as memory
>
> Colin Ian King (1):
> x86/efi: Initialize status to ensure garbage is not returned on small size
>
> Ivan Hu (1):
> efi: Add efi_test driver for exporting UEFI runtime service interfaces
>
> Lukas Wunner (4):
> lib/ucs2_string: Speed up ucs2_utf8size()
> x86/efi: Remove unused find_bits() function
> x86/efi: Optimize away setup_gop32/64 if unused
> x86/efi: Allow invocation of arbitrary boot services
>
> Markus Elfring (2):
> firmware-gsmi: Delete an unnecessary check before the function call "dma_pool_destroy"
> x86/efi: Use kmalloc_array() in efi_call_phys_prolog()
>
> Matt Fleming (12):
> x86/efi: Test for EFI_MEMMAP functionality when iterating EFI memmap
> x86/efi: Consolidate region mapping logic
> efi: Refactor efi_memmap_init_early() into arch-neutral code
> efi: Add efi_memmap_init_late() for permanent EFI memmap
> efi/fake_mem: Refactor main two code chunks into functions
> efi: Split out EFI memory map functions into new file
> efi: Add efi_memmap_install() for installing new EFI memory maps
> efi: Allow drivers to reserve boot services forever
> efi/runtime-map: Use efi.memmap directly instead of a copy
> efi/esrt: Use efi_mem_reserve() and avoid a kmalloc()
> x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data
> fs/efivarfs: Fix double kfree() in error path
>
> Ricardo Neri (1):
> x86/efi: Defer efi_esrt_init until after memblock_x86_fill
>
> Sylvain Chouleur (2):
> efi: Use a file local lock for efivars
> efi: Don't use spinlocks for efi vars
>
> MAINTAINERS | 7 +
> arch/x86/boot/compressed/eboot.c | 40 +-
> arch/x86/boot/compressed/head_32.S | 6 +-
> arch/x86/boot/compressed/head_64.S | 8 +-
> arch/x86/include/asm/efi.h | 29 +-
> arch/x86/kernel/setup.c | 18 +-
> arch/x86/platform/efi/efi-bgrt.c | 13 +-
> arch/x86/platform/efi/efi.c | 198 ++++-----
> arch/x86/platform/efi/efi_64.c | 23 +-
> arch/x86/platform/efi/quirks.c | 123 +++++-
> drivers/firmware/efi/Kconfig | 17 +
> drivers/firmware/efi/Makefile | 3 +-
> drivers/firmware/efi/arm-init.c | 50 ++-
> drivers/firmware/efi/arm-runtime.c | 26 +-
> drivers/firmware/efi/efi-pstore.c | 36 +-
> drivers/firmware/efi/efi.c | 67 +--
> drivers/firmware/efi/efivars.c | 22 +-
> drivers/firmware/efi/esrt.c | 23 +-
> drivers/firmware/efi/fake_mem.c | 125 +-----
> drivers/firmware/efi/memmap.c | 292 +++++++++++++
> drivers/firmware/efi/runtime-map.c | 35 +-
> drivers/firmware/efi/runtime-wrappers.c | 81 ++--
> drivers/firmware/efi/test/Makefile | 1 +
> drivers/firmware/efi/test/efi_test.c | 749 ++++++++++++++++++++++++++++++++
> drivers/firmware/efi/test/efi_test.h | 110 +++++
> drivers/firmware/efi/vars.c | 142 +++---
> drivers/firmware/google/gsmi.c | 3 +-
> fs/efivarfs/inode.c | 5 +-
> fs/efivarfs/super.c | 13 +-
> include/linux/efi.h | 47 +-
> lib/ucs2_string.c | 2 +-
> 31 files changed, 1767 insertions(+), 547 deletions(-)
> create mode 100644 drivers/firmware/efi/memmap.c
> create mode 100644 drivers/firmware/efi/test/Makefile
> create mode 100644 drivers/firmware/efi/test/efi_test.c
> create mode 100644 drivers/firmware/efi/test/efi_test.h
Pulled into tip:efi/core, thanks a lot Matt!
Ingo
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