Re: [GIT PULL] microcode loader updates

From: Ingo Molnar
Date: Tue Mar 03 2015 - 07:55:58 EST



* Borislav Petkov <bp@xxxxxxxxx> wrote:

> Hi guys,
>
> here's the first pile of microcode loader cleanups for 4.1.
>
> Please pull,
> thanks.
>
> ---
> The following changes since commit c517d838eb7d07bbe9507871fab3931deccff539:
>
> Linux 4.0-rc1 (2015-02-22 18:21:14 -0800)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git tags/intel_microcode_cleanup_p1
>
> for you to fetch changes up to 94a7cbf93996711a32e286488b8523740d6a19f0:
>
> x86/microcode/intel: Fix printing of microcode blobs in show_saved_mc() (2015-03-02 10:07:36 +0100)
>
> ----------------------------------------------------------------
> The first part of the scrubbing of the intel early microcode loader.
> There's more work to come but let's unload this pile first.
>
> ----------------------------------------------------------------
> Borislav Petkov (13):
> x86/microcode/intel: Check if microcode was found before applying
> x86/microcode/intel: Do the mc_saved_src NULL check first
> x86/microcode/intel: Get rid of last arg to load_ucode_intel_bsp()
> x86/microcode/intel: Simplify load_ucode_intel_bsp()
> x86/microcode/intel: Make _save_mc() return the updated saved count
> x86/microcode/intel: Sanitize _save_mc()
> x86/microcode/intel: Rename update_match_revision()
> x86/microcode: Consolidate family,model, ... code
> x86/microcode/intel: Simplify generic_load_microcode_early()
> x86/microcode/intel: Move mc arg last in get_matching_{microcode|sig}
> x86/microcode/intel: Sanitize microcode_pointer()
> x86/microcode/intel: Check scan_microcode()'s retval
> x86/microcode/intel: Fix printing of microcode blobs in show_saved_mc()
>
> Quentin Casasnovas (1):
> x86/microcode/intel: Fix out of bounds memory access to the extended header
>
> arch/x86/include/asm/microcode.h | 73 ++++++
> arch/x86/include/asm/microcode_intel.h | 13 +-
> arch/x86/kernel/cpu/microcode/core_early.c | 75 +-----
> arch/x86/kernel/cpu/microcode/intel.c | 4 +-
> arch/x86/kernel/cpu/microcode/intel_early.c | 344 +++++++++++++---------------
> arch/x86/kernel/cpu/microcode/intel_lib.c | 22 +-
> 6 files changed, 259 insertions(+), 272 deletions(-)

Pulled the updated version into tip:x86/microcode, thanks Boris!

Ingo
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