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From: Zhenyu Ye <yezhenyu2@huawei.com>
To: <catalin.marinas@arm.com>, <will@kernel.org>,
	<suzuki.poulose@arm.com>, <maz@kernel.org>,
	<steven.price@arm.com>, <guohanjun@huawei.com>, <olof@lixom.net>
Cc: linux-arch@vger.kernel.org, yezhenyu2@huawei.com,
	linux-kernel@vger.kernel.org, xiexiangyou@huawei.com,
	zhangshaokun@hisilicon.com, linux-mm@kvack.org, arm@kernel.org,
	prime.zeng@hisilicon.com, kuhn.chenqun@huawei.com,
	linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH v3 0/2] arm64: tlb: add support for TLBI RANGE instructions
Date: Mon, 1 Jun 2020 22:47:11 +0800	[thread overview]
Message-ID: <20200601144713.2222-1-yezhenyu2@huawei.com> (raw)

ARMv8.4-TLBI provides TLBI invalidation instruction that apply to a
range of input addresses. This series add support for this feature.

--
ChangeList:
v4:
combine the __flush_tlb_range() and the __directly into the same function
with a single loop for both.

v3:
rebase this series on Linux 5.7-rc1.

v2:
Link: https://lkml.org/lkml/2019/11/11/348

Zhenyu Ye (2):
  arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature
  arm64: tlb: Use the TLBI RANGE feature in arm64

 arch/arm64/include/asm/cpucaps.h  |   3 +-
 arch/arm64/include/asm/sysreg.h   |   4 ++
 arch/arm64/include/asm/tlbflush.h | 108 +++++++++++++++++++++++++++++-
 arch/arm64/kernel/cpufeature.c    |  11 +++
 4 files changed, 124 insertions(+), 2 deletions(-)

-- 
2.19.1



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             reply	other threads:[~2020-06-01 14:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-01 14:47 Zhenyu Ye [this message]
2020-06-01 14:47 ` [RFC PATCH v4 1/2] arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature Zhenyu Ye
2020-06-01 14:47 ` [RFC PATCH v4 2/2] arm64: tlb: Use the TLBI RANGE feature in arm64 Zhenyu Ye
2020-06-02 12:06   ` Zhenyu Ye
2020-07-07 17:36   ` Catalin Marinas
2020-07-07 17:43     ` Marc Zyngier
2020-07-07 17:46       ` Catalin Marinas
2020-07-07 18:12         ` Robin Murphy
2020-07-08  9:01     ` Zhenyu Ye
  -- strict thread matches above, loose matches on Subject: below --
2020-04-14 11:28 [RFC PATCH v3 0/2] arm64: tlb: add support for TLBI RANGE instructions Zhenyu Ye

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