From: Tom Rini <trini@konsulko.com>
To: "Ying-Chun Liu (PaulLiu)" <paul.liu@linaro.org>
Cc: u-boot@lists.denx.de, "Marc Zyngier" <maz@kernel.org>,
"Pierre-Clément Tosi" <ptosi@google.com>
Subject: Re: [PATCH 2/2] arm64: Reduce PT size estimation complexity
Date: Tue, 7 Mar 2023 12:52:35 -0500 [thread overview]
Message-ID: <20230307175235.GP968799@bill-the-cat> (raw)
In-Reply-To: <20230214133814.4173549-3-paul.liu@linaro.org>
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On Tue, Feb 14, 2023 at 09:38:14PM +0800, Ying-Chun Liu (PaulLiu) wrote:
> From: Marc Zyngier <maz@kernel.org>
>
> count_required_pts()'s complexity is high if mappings are not using the
> largest possible block size (due to some other requirement such as tracking
> dirty pages, for example).
>
> Let's switch to a method that follows the pattern established with
> the add_map() helper, and make it almost instantaneous instead of
> taking a large amount of time if 2MB mappings are in use instead of
> 1GB.
>
> Signed-off-by: Marc Zyngier <maz@kernel.org>
> Signed-off-by: Pierre-Clément Tosi <ptosi@google.com>
> [ Paul: pick from the Android tree. Fixup Pierre's commit. Rebase to the
> upstream ]
> Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
> Cc: Tom Rini <trini@konsulko.com>
> Link: https://android.googlesource.com/platform/external/u-boot/+/5d756d147e31a1cdaaa261a50e526404ca5968f5
> Link: https://android.googlesource.com/platform/external/u-boot/+/6be9330601d81545c7c941e3609f35bf68a09059
Applied to u-boot/next, thanks!
--
Tom
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prev parent reply other threads:[~2023-03-07 17:53 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-14 13:38 [PATCH 0/2] Reduce the complexity of add_map() and count_required_pts() Ying-Chun Liu (PaulLiu)
2023-02-14 13:38 ` [PATCH 1/2] arm64: Reduce add_map() complexity Ying-Chun Liu (PaulLiu)
2023-03-07 17:52 ` Tom Rini
2023-08-01 8:53 ` Oliver Graute
2023-08-01 12:09 ` Oliver Graute
2023-08-01 17:31 ` Marc Zyngier
2024-03-08 20:22 ` Fabio Estevam
2024-03-09 9:52 ` Marc Zyngier
2024-03-09 12:29 ` Fabio Estevam
2024-03-09 12:39 ` Marc Zyngier
2024-03-09 14:36 ` Fabio Estevam
2024-03-15 11:56 ` Fabio Estevam
2024-03-15 15:13 ` Pierre-Clément Tosi
2024-03-18 13:31 ` Fabio Estevam
2024-03-18 13:50 ` Fabio Estevam
2024-03-18 19:59 ` Pierre-Clément Tosi
2024-03-18 20:09 ` Fabio Estevam
2023-02-14 13:38 ` [PATCH 2/2] arm64: Reduce PT size estimation complexity Ying-Chun Liu (PaulLiu)
2023-03-07 17:52 ` Tom Rini [this message]
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