From: Yinghai Lu <yinghai@kernel.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Jesse Barnes <jbarnes@virtuousgeek.org>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
Gertjan van Wingerde <gwingerde@gmail.com>
Subject: Re: [PATCH 61/7] x86/pci: add cap_4g
Date: Fri, 11 Dec 2009 18:20:31 -0800 [thread overview]
Message-ID: <4B22FDEF.5050600@kernel.org> (raw)
In-Reply-To: <4B22FD0B.10506@zytor.com>
H. Peter Anvin wrote:
> On 12/11/2009 06:11 PM, Yinghai Lu wrote:
>>
>> +static inline u64 cap_4g(u64 val)
>> +{
>> + if (sizeof(resource_size_t) >= sizeof(u64))
>> + return val;
>> +
>> + if (val < 1ULL)
>> + return val;
>> +
>> + return 0xffffffff;
>> +}
>> #endif
>
> How about:
>
> static inline resource_size_t cap_resource(u64 val)
> {
> if (val > ~(resource_size_t)0)
> return ~(resource_size_t)0;
> else
> return val;
> }
ok
next prev parent reply other threads:[~2009-12-12 2:21 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4B22D4DA.2000104@kernel.org>
2009-12-11 23:35 ` [PATCH 2/7] x86/range: check range in update range Yinghai Lu
2009-12-11 23:35 ` [PATCH 3/7] x86/pci: use resource_size_t in update_res Yinghai Lu
2009-12-11 23:35 ` [PATCH 4/7] x86/pci: amd one chain system to use pci read out res Yinghai Lu
2009-12-11 23:35 ` [PATCH 5/7] x86/pci: use u64 instead of size_t in amd_bus.c Yinghai Lu
2009-12-11 23:55 ` H. Peter Anvin
2009-12-12 0:42 ` Yinghai Lu
2009-12-12 2:10 ` [PATCH 5/7] x86/pci: use u64 instead of size_t in amd_bus.c -v2 Yinghai Lu
2009-12-11 23:35 ` [PATCH 6/7] x86/pci: enable pci root res read out for 32bit too Yinghai Lu
2009-12-12 2:11 ` [PATCH 61/7] x86/pci: add cap_4g Yinghai Lu
2009-12-12 2:16 ` H. Peter Anvin
2009-12-12 2:20 ` Yinghai Lu [this message]
2009-12-12 2:25 ` H. Peter Anvin
2009-12-12 3:29 ` [PATCH 61/7] x86/pci: add cap_resource -v2 Yinghai Lu
2009-12-12 2:13 ` [PATCH 6/7] x86/pci: enable pci root res read out for 32bit too -v2 Yinghai Lu
2009-12-12 3:28 ` [PATCH 6/7] x86/pci: enable pci root res read out for 32bit too -v3 Yinghai Lu
2009-12-11 23:35 ` [PATCH 7/7] x86: increase MAX_EARLY_RES Yinghai Lu
2009-12-15 2:06 ` [PATCH 1/3] x86: call early_res_to_bootmem one time Yinghai Lu
2009-12-15 2:07 ` [PATCH 2/3] x86: introduce max_early_res and early_res_count Yinghai Lu
2009-12-15 2:08 ` [PATCH 3/3] x86: dynamic increase early_res array size Yinghai Lu
2009-12-16 1:11 ` [PATCH 4/3] x86: make early_node_mem get mem > 4g if possible -v2 Yinghai Lu
2009-12-17 1:01 ` [tip:x86/urgent] x86: Increase MAX_EARLY_RES; insufficient on 32-bit NUMA tip-bot for Yinghai Lu
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