linux-kernel - [GIT PULL] RISC-V Fixes for 5.8-rc6

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Message-ID: <mhng-8419056a-6b67-4a07-b5a2-6ca837bb9b9d@palmerdabbelt-glaptop1>
Date:   Sat, 18 Jul 2020 10:35:48 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
CC:         linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [GIT PULL] RISC-V Fixes for 5.8-rc6

The following changes since commit 11ba468877bb23f28956a35e896356252d63c983:

  Linux 5.8-rc5 (2020-07-12 16:34:50 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git tags/riscv-for-linus-5.8-rc6

for you to fetch changes up to 38b7c2a3ffb1fce8358ddc6006cfe5c038ff9963:

  RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw (2020-07-17 09:28:35 -0700)

----------------------------------------------------------------
RISC-V Fixes for 5.8-rc6

I have two fixes:

* 16KiB kernel stacks on rv64, which fixes a lot of crashes.
* Rolling an mmiowb() into the scheduled, which when combined with Will's fix
  to the mmiowb()-on-spinlock should fix the PREEMPT issues we've been seeing.

----------------------------------------------------------------
Andreas Schwab (1):
      riscv: use 16KB kernel stack on 64-bit

Palmer Dabbelt (1):
      RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw

 arch/riscv/include/asm/barrier.h     | 10 +++++++++-
 arch/riscv/include/asm/thread_info.h |  4 ++++
 2 files changed, 13 insertions(+), 1 deletion(-)