linux-kernel - [PATCH 0/5] arm64: assorted fixes for dcache_by_line

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Message-Id: <20181206155739.20229-1-ard.biesheuvel@linaro.org>
Date:   Thu,  6 Dec 2018 16:57:34 +0100
From:   Ard Biesheuvel <ard.biesheuvel@...aro.org>
To:     linux-kernel@...r.kernel.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Robin Murphy <robin.murphy@....com>,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Marc Zyngier <marc.zyngier@....com>,
        Suzuki Poulose <suzuki.poulose@....com>,
        Dave Martin <Dave.Martin@....com>
Subject: [PATCH 0/5] arm64: assorted fixes for dcache_by_line_op

This fixes two issues in dcache_by_line_op: patch #4 fixes the logic
that is applied when patching DC CVAP instructions, and patch #5 gets
rid of some unintended undefined symbols resulting from incorrect use
of conditional GAS directives.

Patches #1 to #3 are groundwork for #4.

Cc: Robin Murphy <robin.murphy@....com>
Cc: Will Deacon <will.deacon@....com>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Marc Zyngier <marc.zyngier@....com>
Cc: Suzuki Poulose <suzuki.poulose@....com>
Cc: Dave Martin <Dave.Martin@....com>

Ard Biesheuvel (5):
  arm64/alternative_cb: move callback reference into replacements
    section
  arm64/alternative_cb: add nr_alts parameter to callback handlers
  arm64/alternative_cb: add support for alternative sequences
  arm64/assembler: use callback to 3-way alt-patch DC CVAP instructions
  arm64/mm: use string comparisons in dcache_by_line_op

 arch/arm64/include/asm/alternative.h | 54 +++++++++++---------
 arch/arm64/include/asm/assembler.h   | 17 +++---
 arch/arm64/include/asm/kvm_mmu.h     |  4 +-
 arch/arm64/kernel/alternative.c      | 22 +++++---
 arch/arm64/kernel/cpu_errata.c       | 24 ++++++---
 arch/arm64/kvm/va_layout.c           |  8 +--
 6 files changed, 79 insertions(+), 50 deletions(-)

-- 
2.19.2