From: Arnd Bergmann <arnd@arndb.de>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
Will Deacon <will@kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Android Kernel Team <kernel-team@android.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Ard Biesheuvel <ardb@kernel.org>,
Vincent Whitchurch <vincent.whitchurch@axis.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Subject: Re: [PATCH] arm64: cache: Lower ARCH_DMA_MINALIGN to 64 (L1_CACHE_BYTES)
Date: Mon, 7 Jun 2021 14:17:08 +0200 [thread overview]
Message-ID: <CAK8P3a2u1tFRZ-KH8OyA=0axmTYroJ-4nqLNBGdL-_FcCJAORA@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a2fpTt4fYOoLFjDeC+YE=eu3gRJ944MNXsZUzEJ_qRW1Q@mail.gmail.com>
On Wed, Jun 2, 2021 at 4:52 PM Arnd Bergmann <arnd@arndb.de> wrote:
> On Wed, Jun 2, 2021 at 4:28 PM Marek Szyprowski <m.szyprowski@samsung.com> wrote:
> I suppose most can be easily ruled out because they are not shared, or
> because they are larger than 64 bytes. I'll have a quick look if I find any smoking guns.
Sorry for the late follow-up. I did check these last week, but
unfortunately none of
the allocations in the vc4 driver itself looked suspicious to me in
the end. It might
still be an indirect allocation though, where the vc4 driver calls
into a drivers/drm/
API or something else that allocates a small DMA buffer.
Arnd
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next prev parent reply other threads:[~2021-06-07 12:20 UTC|newest]
Thread overview: 73+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-27 12:43 [PATCH] arm64: cache: Lower ARCH_DMA_MINALIGN to 64 (L1_CACHE_BYTES) Will Deacon
2021-05-27 13:11 ` Catalin Marinas
2021-05-27 13:19 ` Mark Rutland
2021-05-28 9:35 ` Arnd Bergmann
2021-06-01 10:14 ` Catalin Marinas
2021-05-31 5:38 ` Ard Biesheuvel
2021-06-01 18:21 ` Will Deacon
[not found] ` <CGME20210602132541eucas1p17127696041c26c00d1d2f50bef9cfaf0@eucas1p1.samsung.com>
2021-06-02 13:25 ` Marek Szyprowski
2021-06-02 13:51 ` Mark Rutland
2021-06-02 14:09 ` Marek Szyprowski
2021-06-02 14:14 ` Arnd Bergmann
2021-06-02 14:28 ` Marek Szyprowski
2021-06-02 14:52 ` Arnd Bergmann
2021-06-07 12:17 ` Arnd Bergmann [this message]
2021-06-04 10:01 ` Mark Rutland
2021-06-07 9:58 ` Marek Szyprowski
2021-06-07 12:01 ` Mark Rutland
2021-06-07 13:08 ` Mark Rutland
2021-06-07 13:39 ` Will Deacon
2021-06-07 13:39 ` Will Deacon
2021-06-07 13:56 ` Mark Rutland
2021-06-07 13:56 ` Mark Rutland
2021-06-07 13:57 ` Arnd Bergmann
2021-06-07 13:57 ` Arnd Bergmann
2021-06-07 15:17 ` Maxime Ripard
2021-06-07 15:17 ` Maxime Ripard
2021-06-07 15:50 ` Arnd Bergmann
2021-06-07 15:50 ` Arnd Bergmann
2021-06-08 8:57 ` Mark Rutland
2021-06-08 8:57 ` Mark Rutland
2021-06-07 15:32 ` Mark Rutland
2021-06-07 15:32 ` Mark Rutland
2021-06-02 14:11 ` Arnd Bergmann
2021-06-02 14:15 ` Marek Szyprowski
2021-07-06 9:26 ` Yassine Oudjana
2021-07-06 10:26 ` Catalin Marinas
2021-07-06 10:26 ` Catalin Marinas
2021-07-06 13:29 ` Robin Murphy
2021-07-06 13:29 ` Robin Murphy
2021-07-06 13:33 ` Will Deacon
2021-07-06 13:33 ` Will Deacon
2021-07-06 13:44 ` Marc Zyngier
2021-07-06 13:44 ` Marc Zyngier
2021-07-06 14:21 ` Robin Murphy
2021-07-06 14:21 ` Robin Murphy
2021-07-06 14:30 ` Arnd Bergmann
2021-07-06 14:30 ` Arnd Bergmann
2021-07-06 14:46 ` Marc Zyngier
2021-07-06 14:46 ` Marc Zyngier
2021-07-06 15:43 ` Arnd Bergmann
2021-07-06 15:43 ` Arnd Bergmann
2021-07-06 17:15 ` Yassine Oudjana
2021-07-06 17:15 ` Yassine Oudjana
2021-07-06 20:33 ` Arnd Bergmann
2021-07-06 20:33 ` Arnd Bergmann
2021-07-06 22:27 ` Bjorn Andersson
2021-07-06 22:27 ` Bjorn Andersson
2021-07-07 9:27 ` Will Deacon
2021-07-07 9:27 ` Will Deacon
2021-07-07 8:24 ` Yassine Oudjana
2021-07-07 8:24 ` Yassine Oudjana
2021-07-07 9:29 ` Arnd Bergmann
2021-07-07 9:29 ` Arnd Bergmann
2021-07-07 14:41 ` Jeffrey Hugo
2021-07-07 14:41 ` Jeffrey Hugo
2021-07-08 20:59 ` Jeffrey Hugo
2021-07-08 20:59 ` Jeffrey Hugo
2021-07-09 8:48 ` Will Deacon
2021-07-09 8:48 ` Will Deacon
2021-07-09 17:10 ` Catalin Marinas
2021-07-09 17:10 ` Catalin Marinas
2021-07-06 16:20 ` Will Deacon
2021-07-06 16:20 ` Will Deacon
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