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Date:   Sun, 17 Oct 2021 11:55:01 +0200
From:   Borislav Petkov <>
To:     Linus Torvalds <>
Cc:     x86-ml <>, lkml <>
Subject: [GIT PULL] x86/urgent for v5.15-rc6

Hi Linus,

two more urgent x86 fixes for 5.15.

Please pull,


The following changes since commit 64570fbc14f8d7cb3fe3995f20e26bc25ce4b2cc:

  Linux 5.15-rc5 (2021-10-10 17:01:59 -0700)

are available in the Git repository at:

  git:// tags/x86_urgent_for_v5.15_rc6

for you to fetch changes up to b2381acd3fd9bacd2c63f53b2c610c89959b31cc:

  x86/fpu: Mask out the invalid MXCSR bits properly (2021-10-16 12:37:50 +0200)

- Do not enable AMD memory encryption in Kconfig by default due to
shortcomings of some platforms, leading to boot failures.

- Mask out invalid bits in the MXCSR for 32-bit kernels again because
Thomas and I don't know how to mask out bits properly. Third time's the

Borislav Petkov (2):
      x86/Kconfig: Do not enable AMD_MEM_ENCRYPT_ACTIVE_BY_DEFAULT automatically
      x86/fpu: Mask out the invalid MXCSR bits properly

 arch/x86/Kconfig             | 1 -
 arch/x86/kernel/fpu/signal.c | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)


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