From: Vineet Gupta <vineet.gupta1@synopsys.com>
To: Eugeniy Paltsev <eugeniy.paltsev@synopsys.com>,
<linux-snps-arc@lists.infradead.org>
Cc: <linux-kernel@vger.kernel.org>,
Alexey Brodkin <alexey.brodkin@synopsys.com>
Subject: Re: [PATCH v2 0/5] introduce unaligned access under a Kconfig option
Date: Fri, 1 Feb 2019 16:47:08 -0800 [thread overview]
Message-ID: <bd030a96-2e67-0394-7f7f-3dafe0c2badd@synopsys.com> (raw)
In-Reply-To: <20190130163244.10870-1-Eugeniy.Paltsev@synopsys.com>
On 1/30/19 8:32 AM, Eugeniy Paltsev wrote:
> As of today we enable unaligned access unconditionally on ARCv2.
> Lets move it under Kconfig option and use it actively in SW if it is
> enabled.
>
> While I'm at it fix and optimise ARCv2 memcpy implementaion.
>
> Changes v1->v2:
> * Rebase onto last ARC changes.
> * Don't add dummy symbol to ARC Kconfig
> * Print info about unaligned access status in kernel log
>
> Eugeniy Paltsev (5):
> ARCv2: lib: memcpy: fix doing prefetchw outside of buffer
> ARCv2: introduce unaligned access under a Kconfig option
> ARCv2: use unaligned access in SW
> ARCv2: LIB: MEMCPY: fixed and optimised routine
> ARC: boot log: print unaligned memory access details
I made some mods, squashed some and pushed to for-next (it will land in next release)
Thx,
-vineet
>
> arch/arc/Kconfig | 9 +++++++
> arch/arc/Makefile | 6 +++++
> arch/arc/include/asm/irqflags-arcv2.h | 4 +++
> arch/arc/kernel/head.S | 14 +++++++----
> arch/arc/kernel/intc-arcv2.c | 2 +-
> arch/arc/kernel/setup.c | 13 +++++++---
> arch/arc/lib/Makefile | 8 +++++-
> arch/arc/lib/memcpy-archs-unaligned.S | 46 +++++++++++++++++++++++++++++++++++
> arch/arc/lib/memcpy-archs.S | 14 -----------
> 9 files changed, 92 insertions(+), 24 deletions(-)
> create mode 100644 arch/arc/lib/memcpy-archs-unaligned.S
>
prev parent reply other threads:[~2019-02-02 0:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-30 16:32 Eugeniy Paltsev
2019-01-30 16:32 ` [PATCH v2 1/5] ARCv2: lib: memcpy: fix doing prefetchw outside of buffer Eugeniy Paltsev
2019-01-30 16:32 ` [PATCH v2 2/5] ARCv2: introduce unaligned access under a Kconfig option Eugeniy Paltsev
2019-02-01 23:27 ` Vineet Gupta
2019-02-01 23:36 ` Vineet Gupta
2019-01-30 16:32 ` [PATCH v2 3/5] ARCv2: use unaligned access in SW Eugeniy Paltsev
2019-01-30 16:32 ` [PATCH v2 4/5] ARCv2: LIB: MEMCPY: fixed and optimised routine Eugeniy Paltsev
2019-01-30 16:32 ` [PATCH v2 5/5] ARC: boot log: print unaligned memory access details Eugeniy Paltsev
2019-02-02 0:47 ` Vineet Gupta [this message]
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