linux-kernel - Re: [RFC] arm64: ioremap: add ioremap

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 linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <2731BCF2-D0C0-4B77-A59F-FF3AB2A725D6@gmail.com>
Date:	Wed, 14 Oct 2015 10:41:26 +0800
From:	yalin wang <yalin.wang2010@...il.com>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	Will Deacon <will.deacon@....com>, mark.rutland@....com,
	toshi.kani@...com, andre.przywara@....com, michal.simek@...inx.com,
	linux-kernel@...r.kernel.org, treding@...dia.com, mingo@...nel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC] arm64: ioremap: add ioremap_cache macro


> On Oct 13, 2015, at 23:20, Catalin Marinas <catalin.marinas@....com> wrote:
> 
> On Tue, Oct 13, 2015 at 03:23:27PM +0100, Will Deacon wrote:
>> On Tue, Oct 13, 2015 at 03:10:55PM +0100, Catalin Marinas wrote:
>>> On Mon, Oct 12, 2015 at 10:28:18AM +0800, yalin wang wrote:
>>>> Add ioremap_cache macro, because some code will test if this macro
>>>> is defined or not, and will generate a generric version if not defined,
>>>> for example, memremap.c do like this.
>>>> 
>>>> Signed-off-by: yalin wang <yalin.wang2010@...il.com>
>>>> ---
>>>> arch/arm64/include/asm/io.h | 1 +
>>>> 1 file changed, 1 insertion(+)
>>>> 
>>>> diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
>>>> index 44be1e0..d6b620c 100644
>>>> --- a/arch/arm64/include/asm/io.h
>>>> +++ b/arch/arm64/include/asm/io.h
>>>> @@ -172,6 +172,7 @@ extern void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size);
>>>> #define ioremap_wc(addr, size)		__ioremap((addr), (size), __pgprot(PROT_NORMAL_NC))
>>>> #define ioremap_wt(addr, size)		__ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))
>>>> #define iounmap				__iounmap
>>>> +#define ioremap_cache                  ioremap_cache
>>> 
>>> Applied. Thanks.
>> 
>> I'm not sure we want this. See:
>> 
>>  https://lkml.org/lkml/2015/10/9/699
> 
> Thanks Will and Arnd, I missed this. Patch reverted.
> 
i don’t understand why conflict with Dan Williams’ patch.
Dan Williams ’s patch also define ioremap_cache  for arch ia64  & arch sh & arch xtensa ,
i see this :
# git show   92281dee825f
am i miss something?

Thanks






--
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/