linux-kernel - [PATCH v2 0/3] Fix pci_iounmap() on !CONFIG_GENERIC

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Date:   Wed, 16 Sep 2020 12:06:55 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     linux-kernel@...r.kernel.org
Cc:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>,
        George Cherian <george.cherian@...vell.com>,
        Yang Yingliang <yangyingliang@...wei.com>,
        linux-pci@...r.kernel.org, linux-arch@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v2 0/3] Fix pci_iounmap() on !CONFIG_GENERIC_IOMAP

v2 of a previous posting.

v1->v2:
	- Added additional patch to remove sparc32 useless __KERNEL__
	  guard

v1: https://lore.kernel.org/lkml/20200915093203.16934-1-lorenzo.pieralisi@arm.com

Original cover letter
---

Fix the empty pci_iounmap() implementation that is causing memory leaks on
!CONFIG_GENERIC_IOMAP configs relying on asm-generic/io.h.

A small tweak is required on sparc32 to pull in some declarations,
hopefully nothing problematic, subject to changes as requested.

Previous tentatives:
https://lore.kernel.org/lkml/20200905024811.74701-1-yangyingliang@huawei.com
https://lore.kernel.org/lkml/20200824132046.3114383-1-george.cherian@marvell.com

Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: George Cherian <george.cherian@...vell.com>
Cc: Yang Yingliang <yangyingliang@...wei.com>

Lorenzo Pieralisi (3):
  sparc32: Remove useless io_32.h __KERNEL__ preprocessor guard
  sparc32: Move ioremap/iounmap declaration before asm-generic/io.h
    include
  asm-generic/io.h: Fix !CONFIG_GENERIC_IOMAP pci_iounmap()
    implementation

 arch/sparc/include/asm/io_32.h | 17 ++++++---------
 include/asm-generic/io.h       | 39 +++++++++++++++++++++++-----------
 2 files changed, 34 insertions(+), 22 deletions(-)

-- 
2.26.1