From: Christoph Hellwig <hch@infradead.org>
To: Zhenyu Ye <yezhenyu2@huawei.com>
Cc: peterz@infradead.org, mark.rutland@arm.com, will@kernel.org,
catalin.marinas@arm.com, aneesh.kumar@linux.ibm.com,
akpm@linux-foundation.org, npiggin@gmail.com, arnd@arndb.de,
rostedt@goodmis.org, maz@kernel.org, suzuki.poulose@arm.com,
tglx@linutronix.de, yuzhao@google.com, Dave.Martin@arm.com,
steven.price@arm.com, broonie@kernel.org, guohanjun@huawei.com,
linux-arch@vger.kernel.org, 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: Re: [PATCH v1 1/6] arm64: Detect the ARMv8.4 TTL feature
Date: Tue, 21 Apr 2020 09:53:46 -0700 [thread overview]
Message-ID: <20200421165346.GA11171@infradead.org> (raw)
In-Reply-To: <20200403090048.938-2-yezhenyu2@huawei.com>
On Fri, Apr 03, 2020 at 05:00:43PM +0800, Zhenyu Ye wrote:
> From: Marc Zyngier <maz@kernel.org>
>
> In order to reduce the cost of TLB invalidation, the ARMv8.4 TTL
> feature allows TLBs to be issued with a level allowing for quicker
> invalidation.
What does "issued with a level" mean?
next prev parent reply other threads:[~2020-04-21 16:54 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-03 9:00 [PATCH v1 0/6] arm64: tlb: add support for TTL feature Zhenyu Ye
2020-04-03 9:00 ` [PATCH v1 1/6] arm64: Detect the ARMv8.4 " Zhenyu Ye
2020-04-21 16:53 ` Christoph Hellwig [this message]
2020-04-21 17:13 ` Peter Zijlstra
2020-04-21 17:16 ` Christoph Hellwig
2020-04-22 2:13 ` Zhenyu Ye
2020-04-03 9:00 ` [PATCH v1 2/6] arm64: Add level-hinted TLB invalidation helper Zhenyu Ye
2020-04-03 9:00 ` [PATCH v1 3/6] arm64: Add tlbi_user_level " Zhenyu Ye
2020-04-03 9:00 ` [PATCH v1 4/6] tlb: mmu_gather: add tlb_set_*_range APIs Zhenyu Ye
2020-04-20 11:46 ` Peter Zijlstra
2020-04-03 9:00 ` [PATCH v1 5/6] mm: tlb: Provide flush_*_tlb_range wrappers Zhenyu Ye
2020-04-20 12:09 ` Peter Zijlstra
2020-04-21 14:18 ` Zhenyu Ye
2020-04-03 9:00 ` [PATCH v1 6/6] arm64: tlb: Set the TTL field in flush_tlb_range Zhenyu Ye
2020-04-20 12:10 ` Peter Zijlstra
2020-04-21 0:06 ` Steven Rostedt
2020-04-21 8:30 ` Peter Zijlstra
2020-04-21 12:22 ` Zhenyu Ye
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