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From: Arnd Bergmann <arnd@arndb.de>
To: Sai Prakash Ranjan <quic_saipraka@quicinc.com>
Cc: Arnd Bergmann <arnd@arndb.de>, Will Deacon <will@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Marc Zyngier <maz@kernel.org>,
	gregkh <gregkh@linuxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	quic_psodagud@quicinc.com
Subject: Re: [PATCHv5 1/4] arm64: io: Use asm-generic high level MMIO accessors
Date: Mon, 6 Dec 2021 16:15:44 +0100	[thread overview]
Message-ID: <CAK8P3a0L2tLeF1Q0+0ijUxhGNaw+Z0fyPC1oW6_ELQfn0=i4iw@mail.gmail.com> (raw)
In-Reply-To: <2efe933e-de1e-0dfc-959a-c0003e28f830@quicinc.com>

On Mon, Dec 6, 2021 at 2:52 PM Sai Prakash Ranjan
<quic_saipraka@quicinc.com> wrote:
>
> Sorry, what I meant was the literal name of these macros, i.e.,
> __iormb() has more explicit naming as
> IO read memory barrier and __io_ar() is IO after read? So doesn't it
> make more sense that __iormb()
> should be the primary definition which is already the case and ar/bw
> should be based on them.

My reasoning was that we should ideally only have one set, and that
__io_ar()/__io_bw() are the ones used in architecture-independent code,
so I'd rather use those and deprecate the arm64 specific ones, eventually
moving all the arm64 specific code to use those directly where needed.

        Arnd

  reply	other threads:[~2021-12-06 15:29 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-06  8:28 [PATCHv5 0/4] tracing/rwmmio/arm64: Add support to trace register reads/writes Sai Prakash Ranjan
2021-12-06  8:28 ` [PATCHv5 1/4] arm64: io: Use asm-generic high level MMIO accessors Sai Prakash Ranjan
2021-12-06  8:50   ` Arnd Bergmann
2021-12-06 11:12     ` Sai Prakash Ranjan
2021-12-06 11:30       ` Arnd Bergmann
2021-12-06 13:52         ` Sai Prakash Ranjan
2021-12-06 15:15           ` Arnd Bergmann [this message]
2021-12-06 15:57             ` Sai Prakash Ranjan
2021-12-06 15:36   ` kernel test robot
2021-12-07 13:04   ` kernel test robot
2021-12-06  8:28 ` [PATCHv5 2/4] irqchip/tegra: Fix overflow implicit truncation warnings Sai Prakash Ranjan
2021-12-06  8:51   ` Arnd Bergmann
2021-12-06  8:28 ` [PATCHv5 3/4] tracing: Add register read/write tracing support Sai Prakash Ranjan
2021-12-06  8:59   ` Arnd Bergmann
2021-12-06 10:11     ` Sai Prakash Ranjan
2021-12-06 10:46       ` Arnd Bergmann
2021-12-06 10:52         ` Sai Prakash Ranjan
2021-12-06 10:13     ` Sai Prakash Ranjan
2021-12-06 11:52   ` kernel test robot
2021-12-06 16:39   ` kernel test robot
2021-12-06  8:28 ` [PATCHv5 4/4] asm-generic/io: Add logging support for MMIO accessors Sai Prakash Ranjan
2021-12-06  9:09   ` Arnd Bergmann
2021-12-06  9:52     ` Sai Prakash Ranjan
2021-12-06 10:01       ` Arnd Bergmann
2021-12-06 10:20         ` Sai Prakash Ranjan

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