From: "H. Peter Anvin" <hpa@zytor.com>
To: Sheng Yang <sheng@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, linux-mm <linux-mm@kvack.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] x86: Extend test_and_set_bit() test_and_clean_bit() to 64 bits in X86_64
Date: Wed, 13 May 2009 09:55:25 -0700 [thread overview]
Message-ID: <4A0AFB7D.2080105@zytor.com> (raw)
In-Reply-To: <4A0AF2DA.2020404@zytor.com>
H. Peter Anvin wrote:
> Sheng Yang wrote:
>> This fix 44/45 bit width memory can't boot up issue. The reason is
>> free_bootmem_node()->mark_bootmem_node()->__free() use test_and_clean_bit() to
>> clean node_bootmem_map, but for 44bits width address, the idx set bit 31 (43 -
>> 12), which consider as a nagetive value for bts.
>>
>> This patch applied to tip/mm.
>
> Hi Sheng,
>
> Could you try the attached patch instead?
>
> -hpa
>
Sorry, wrong patch entirely... here is the right one.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Sheng Yang <sheng@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, linux-mm <linux-mm@kvack.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] x86: Extend test_and_set_bit() test_and_clean_bit() to 64 bits in X86_64
Date: Wed, 13 May 2009 09:55:25 -0700 [thread overview]
Message-ID: <4A0AFB7D.2080105@zytor.com> (raw)
In-Reply-To: <4A0AF2DA.2020404@zytor.com>
H. Peter Anvin wrote:
> Sheng Yang wrote:
>> This fix 44/45 bit width memory can't boot up issue. The reason is
>> free_bootmem_node()->mark_bootmem_node()->__free() use test_and_clean_bit() to
>> clean node_bootmem_map, but for 44bits width address, the idx set bit 31 (43 -
>> 12), which consider as a nagetive value for bts.
>>
>> This patch applied to tip/mm.
>
> Hi Sheng,
>
> Could you try the attached patch instead?
>
> -hpa
>
Sorry, wrong patch entirely... here is the right one.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
--
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next prev parent reply other threads:[~2009-05-13 16:55 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-13 8:17 [PATCH] x86: Extend test_and_set_bit() test_and_clean_bit() to 64 bits in X86_64 Sheng Yang
2009-05-13 8:17 ` Sheng Yang
2009-05-13 8:38 ` Andi Kleen
2009-05-13 8:38 ` Andi Kleen
2009-05-14 3:45 ` Sheng Yang
2009-05-14 3:45 ` Sheng Yang
2009-05-14 8:32 ` Andi Kleen
2009-05-14 8:32 ` Andi Kleen
2009-05-14 14:09 ` H. Peter Anvin
2009-05-14 14:09 ` H. Peter Anvin
2009-05-14 14:16 ` Andi Kleen
2009-05-14 14:16 ` Andi Kleen
2009-05-14 14:16 ` H. Peter Anvin
2009-05-14 14:16 ` H. Peter Anvin
2009-05-14 14:27 ` Andi Kleen
2009-05-14 14:27 ` Andi Kleen
2009-05-14 14:25 ` H. Peter Anvin
2009-05-14 14:25 ` H. Peter Anvin
2009-05-14 14:33 ` Andi Kleen
2009-05-14 14:33 ` Andi Kleen
2009-05-14 14:36 ` H. Peter Anvin
2009-05-14 14:36 ` H. Peter Anvin
2009-05-13 16:18 ` H. Peter Anvin
2009-05-13 16:55 ` H. Peter Anvin [this message]
2009-05-13 16:55 ` H. Peter Anvin
2009-05-13 17:29 ` H. Peter Anvin
2009-05-14 3:52 ` Sheng Yang
2009-05-14 3:52 ` Sheng Yang
2009-05-14 14:09 ` H. Peter Anvin
2009-05-14 14:09 ` H. Peter Anvin
2009-05-14 13:57 ` Christoph Hellwig
2009-05-14 13:57 ` Christoph Hellwig
2009-05-14 14:29 ` H. Peter Anvin
2009-05-14 14:29 ` H. Peter Anvin
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