From: Catalin Marinas <catalin.marinas@arm.com>
To: Steven Price <steven.price@arm.com>
Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev,
Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>,
James Morse <james.morse@arm.com>,
Oliver Upton <oliver.upton@linux.dev>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Joey Gouly <joey.gouly@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Christoffer Dall <christoffer.dall@arm.com>,
Fuad Tabba <tabba@google.com>,
linux-coco@lists.linux.dev,
Ganapatrao Kulkarni <gankulkarni@os.amperecomputing.com>,
Gavin Shan <gshan@redhat.com>,
Shanker Donthineni <sdonthineni@nvidia.com>,
Alper Gun <alpergun@google.com>
Subject: Re: [PATCH v5 15/19] arm64: mm: Avoid TLBI when marking pages as valid
Date: Mon, 26 Aug 2024 13:41:48 +0300 [thread overview]
Message-ID: <Zsxb7MpUklPK3Chf@arm.com> (raw)
In-Reply-To: <20240819131924.372366-16-steven.price@arm.com>
On Mon, Aug 19, 2024 at 02:19:20PM +0100, Steven Price wrote:
> When __change_memory_common() is purely setting the valid bit on a PTE
> (e.g. via the set_memory_valid() call) there is no need for a TLBI as
> either the entry isn't changing (the valid bit was already set) or the
> entry was invalid and so should not have been cached in the TLB.
>
> Signed-off-by: Steven Price <steven.price@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2024-08-26 10:41 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-19 13:19 [PATCH v5 00/19] arm64: Support for running as a guest in Arm CCA Steven Price
2024-08-19 13:19 ` [PATCH v5 01/19] arm64: mm: Add top-level dispatcher for internal mem_encrypt API Steven Price
2024-08-26 10:00 ` Catalin Marinas
2024-08-19 13:19 ` [PATCH v5 02/19] arm64: mm: Add confidential computing hook to ioremap_prot() Steven Price
2024-08-26 10:01 ` Catalin Marinas
2024-08-19 13:19 ` [PATCH v5 03/19] arm64: rsi: Add RSI definitions Steven Price
2024-08-26 10:01 ` Catalin Marinas
2024-09-09 5:10 ` Gavin Shan
2024-09-09 9:12 ` Steven Price
2024-08-19 13:19 ` [PATCH v5 04/19] firmware/psci: Add psci_early_test_conduit() Steven Price
2024-08-23 13:29 ` Will Deacon
2024-08-30 15:54 ` Steven Price
2024-08-26 10:03 ` Catalin Marinas
2024-09-13 13:52 ` Suzuki K Poulose
2024-09-09 23:56 ` Gavin Shan
2024-08-19 13:19 ` [PATCH v5 05/19] arm64: Detect if in a realm and set RIPAS RAM Steven Price
2024-08-19 14:04 ` Suzuki K Poulose
2024-08-19 14:10 ` Steven Price
2024-09-09 15:15 ` Shanker Donthineni
2024-08-26 10:03 ` Catalin Marinas
2024-08-30 15:54 ` Steven Price
2024-09-10 0:09 ` Gavin Shan
2024-09-06 18:58 ` Shanker Donthineni
2024-08-19 13:19 ` [PATCH v5 06/19] arm64: realm: Query IPA size from the RMM Steven Price
2024-08-26 10:04 ` Catalin Marinas
2024-09-10 0:18 ` Gavin Shan
2024-08-19 13:19 ` [PATCH v5 07/19] arm64: rsi: Add support for checking whether an MMIO is protected Steven Price
2024-08-26 10:04 ` Catalin Marinas
2024-09-06 4:32 ` Gavin Shan
2024-09-06 4:52 ` Gavin Shan
2024-09-06 13:55 ` Steven Price
2024-09-08 23:53 ` Gavin Shan
2024-09-09 9:31 ` Steven Price
2024-09-10 3:51 ` Gavin Shan
2024-08-19 13:19 ` [PATCH v5 08/19] fixmap: Allow architecture overriding set_fixmap_io Steven Price
2024-08-19 13:19 ` [PATCH v5 09/19] fixmap: Pass down the full phys address for set_fixmap_io Steven Price
2024-08-26 10:05 ` Catalin Marinas
2024-08-19 13:19 ` [PATCH v5 10/19] arm64: Override set_fixmap_io Steven Price
2024-08-19 14:13 ` Suzuki K Poulose
2024-08-30 15:54 ` Steven Price
2024-08-19 13:19 ` [PATCH v5 11/19] arm64: rsi: Map unprotected MMIO as decrypted Steven Price
2024-08-19 14:11 ` Suzuki K Poulose
2024-08-30 15:54 ` Steven Price
2024-08-19 13:19 ` [PATCH v5 12/19] efi: arm64: Map Device with Prot Shared Steven Price
2024-08-26 10:13 ` Catalin Marinas
2024-09-09 13:55 ` Matias Ezequiel Vara Larsen
2024-09-10 4:15 ` Gavin Shan
2024-09-10 9:15 ` Suzuki K Poulose
2024-08-19 13:19 ` [PATCH v5 13/19] arm64: Make the PHYS_MASK_SHIFT dynamic Steven Price
2024-08-26 10:31 ` Catalin Marinas
2024-08-19 13:19 ` [PATCH v5 14/19] arm64: Enforce bounce buffers for realm DMA Steven Price
2024-08-26 10:39 ` Catalin Marinas
2024-08-19 13:19 ` [PATCH v5 15/19] arm64: mm: Avoid TLBI when marking pages as valid Steven Price
2024-08-26 10:41 ` Catalin Marinas [this message]
2024-08-19 13:19 ` [PATCH v5 16/19] arm64: Enable memory encrypt for Realms Steven Price
2024-08-26 10:46 ` Catalin Marinas
2024-08-19 13:19 ` [PATCH v5 17/19] irqchip/gic-v3-its: Share ITS tables with a non-trusted hypervisor Steven Price
2024-08-19 14:27 ` Marc Zyngier
2024-08-19 14:51 ` Suzuki K Poulose
2024-08-19 15:24 ` Marc Zyngier
2024-08-19 22:19 ` Suzuki K Poulose
2024-10-18 4:49 ` Shanker Donthineni
2024-08-19 13:19 ` [PATCH v5 18/19] irqchip/gic-v3-its: Rely on genpool alignment Steven Price
2024-08-19 13:19 ` [PATCH v5 19/19] virt: arm-cca-guest: TSM_REPORT support for realms Steven Price
2024-09-02 3:53 ` Aneesh Kumar K.V
2024-09-27 15:21 ` Steven Price
2024-09-09 4:13 ` Gavin Shan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Zsxb7MpUklPK3Chf@arm.com \
--to=catalin.marinas@arm.com \
--cc=alexandru.elisei@arm.com \
--cc=alpergun@google.com \
--cc=christoffer.dall@arm.com \
--cc=gankulkarni@os.amperecomputing.com \
--cc=gshan@redhat.com \
--cc=james.morse@arm.com \
--cc=joey.gouly@arm.com \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.linux.dev \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-coco@lists.linux.dev \
--cc=linux-kernel@vger.kernel.org \
--cc=maz@kernel.org \
--cc=oliver.upton@linux.dev \
--cc=sdonthineni@nvidia.com \
--cc=steven.price@arm.com \
--cc=suzuki.poulose@arm.com \
--cc=tabba@google.com \
--cc=will@kernel.org \
--cc=yuzenghui@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).