lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 4 Mar 2014 15:50:14 +0000 From: Liviu Dudau <Liviu.Dudau@....com> To: linux-pci <linux-pci@...r.kernel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, Catalin Marinas <Catalin.Marinas@....com>, Will Deacon <Will.Deacon@....com>, linaro-kernel <linaro-kernel@...ts.linaro.org> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>, LKML <linux-kernel@...r.kernel.org>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, LAKML <linux-arm-kernel@...ts.infradead.org>, Tanmay Inamdar <tinamdar@....com>, Arnd Bergmann <arnd@...db.de> Subject: [PATCH v5 1/3] Fix ioport_map() for !CONFIG_GENERIC_IOMAP cases. The inline version of ioport_map() that gets used when !CONFIG_GENERIC_IOMAP is wrong. It returns a mapped (i.e. virtual) address that can start from zero and completely ignores the PCI_IOBASE and IO_SPACE_LIMIT that most architectures that use !CONFIG_GENERIC_MAP define. Signed-off-by: Liviu Dudau <Liviu.Dudau@....com> Acked-by: Arnd Bergmann <arnd@...db.de> diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index d5afe96..df72051 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -331,7 +331,7 @@ static inline void iounmap(void __iomem *addr) #ifndef CONFIG_GENERIC_IOMAP static inline void __iomem *ioport_map(unsigned long port, unsigned int nr) { - return (void __iomem *) port; + return (void __iomem *)(PCI_IOBASE + (port & IO_SPACE_LIMIT)); } static inline void ioport_unmap(void __iomem *p) -- 1.9.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists