linux-kernel - [PATCH 0/1] introduce ioremap

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Message-Id: <20250722091504.45974-1-cuiyunhui@bytedance.com>
Date: Tue, 22 Jul 2025 17:15:03 +0800
From: Yunhui Cui <cuiyunhui@...edance.com>
To: paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	alex@...ti.fr,
	akpm@...ux-foundation.org,
	catalin.marinas@....com,
	anshuman.khandual@....com,
	kas@...nel.org,
	ryan.roberts@....com,
	cuiyunhui@...edance.com,
	samuel.holland@...ive.com,
	namcao@...utronix.de,
	willy@...radead.org,
	abrestic@...osinc.com,
	yongxuan.wang@...ive.com,
	apopple@...dia.com,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/1] introduce ioremap_wc()

Compared with IO attributes, NC attributes can improve performance,
specifically in these aspects: Relaxed Order, Gathering, Supports Read
Speculation, Supports Unaligned Access.

When I replied to this patch (https://lore.kernel.org/all/CAEEQ3wmVPrZ6s8msM8RgcyZePGhXM1ikYMc5wW2n8q3Bf90EVw@mail.gmail.com/),
I found the author's email address was invalid. So, based on this patch,
I made slight modifications and resubmitted it.

Yunhui Cui (1):
  riscv: introduce ioremap_wc()

 arch/riscv/include/asm/io.h      | 4 ++++
 arch/riscv/include/asm/pgtable.h | 1 +
 2 files changed, 5 insertions(+)

-- 
2.39.5