linux-kernel - [PATCH 0/3] Fix flush_dcache_page() for usage from irq context on ARM, NIOS2 and PARISC

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Date:   Wed, 24 May 2023 17:26:30 +0200
From:   Helge Deller <deller@....de>
To:     linux@...linux.org.uk, dinguyen@...nel.org,
        linux-kernel@...r.kernel.org, linux-parisc@...r.kernel.org
Cc:     Helge Deller <deller@....de>
Subject: [PATCH 0/3] Fix flush_dcache_page() for usage from irq context on ARM, NIOS2 and PARISC

ARM, NIOS2 and PARISC unintentionally re-enable IRQs in
flush_dcache_page() when called from irq context.

This series fixes it and should go to stable series to at
least kernel 6.1.

Helge

Helge Deller (3):
  arm: Fix flush_dcache_page() for usage from irq context
  nios2: Fix flush_dcache_page() for usage from irq context
  parisc: Fix flush_dcache_page() for usage from irq context

 arch/arm/include/asm/cacheflush.h    | 4 ++++
 arch/arm/mm/flush.c                  | 5 +++--
 arch/nios2/include/asm/cacheflush.h  | 4 ++++
 arch/nios2/mm/cacheflush.c           | 5 +++--
 arch/parisc/include/asm/cacheflush.h | 4 ++++
 arch/parisc/kernel/cache.c           | 5 +++--
 6 files changed, 21 insertions(+), 6 deletions(-)

--
2.38.1