From: Yinghai Lu <yinghai@kernel.org>
To: Thomas Renninger <trenn@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>,
Takao Indoh <indou.takao@jp.fujitsu.com>,
linux-pci@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, andi@firstfloor.org,
tokunaga.keiich@jp.fujitsu.com, kexec@lists.infradead.org,
hbabu@us.ibm.com, mingo@redhat.com, ddutile@redhat.com,
vgoyal@redhat.com, ishii.hironobu@jp.fujitsu.com,
bhelgaas@google.com, tglx@linutronix.de, khalid@gonehiking.org,
horms@verge.net.au
Subject: Re: [PATCH] x86 e820: only void usable memory areas in memmap=exactmap case
Date: Mon, 14 Jan 2013 11:04:36 -0800 [thread overview]
Message-ID: <CAE9FiQVQvj1TPokoCgx_jbp0VACC8cgtFibH4KoqOssEc6JSPw@mail.gmail.com> (raw)
In-Reply-To: <201301141605.43428.trenn@suse.de>
On Mon, Jan 14, 2013 at 7:05 AM, Thomas Renninger <trenn@suse.de> wrote:
> What is this for?:
> @@ -871,6 +879,11 @@ static int __init parse_memmap_one(char
> userdef = 1;
> if (*p == '@') {
> start_at = memparse(p+1, &p);
> + if (exactusablemap_parsed) {
> + /* remove all range with other types */
> + e820_remove_range(start_at, mem_size,
> + E820_RAM, 0);
> + }
> e820_add_region(start_at, mem_size, E820_RAM);
> } else if (*p == '#') {
> start_at = memparse(p+1, &p);
remove all old renges before add E820_RAM, otherwise new add E820
ranges could be ignored.
WARNING: multiple messages have this Message-ID (diff)
From: Yinghai Lu <yinghai@kernel.org>
To: Thomas Renninger <trenn@suse.de>
Cc: horms@verge.net.au, Takao Indoh <indou.takao@jp.fujitsu.com>,
MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>,
tokunaga.keiich@jp.fujitsu.com, linux-pci@vger.kernel.org,
x86@kernel.org, kexec@lists.infradead.org,
linux-kernel@vger.kernel.org, hbabu@us.ibm.com,
andi@firstfloor.org, ddutile@redhat.com,
ishii.hironobu@jp.fujitsu.com, "H. Peter Anvin" <hpa@zytor.com>,
bhelgaas@google.com, tglx@linutronix.de, mingo@redhat.com,
vgoyal@redhat.com, khalid@gonehiking.org
Subject: Re: [PATCH] x86 e820: only void usable memory areas in memmap=exactmap case
Date: Mon, 14 Jan 2013 11:04:36 -0800 [thread overview]
Message-ID: <CAE9FiQVQvj1TPokoCgx_jbp0VACC8cgtFibH4KoqOssEc6JSPw@mail.gmail.com> (raw)
In-Reply-To: <201301141605.43428.trenn@suse.de>
On Mon, Jan 14, 2013 at 7:05 AM, Thomas Renninger <trenn@suse.de> wrote:
> What is this for?:
> @@ -871,6 +879,11 @@ static int __init parse_memmap_one(char
> userdef = 1;
> if (*p == '@') {
> start_at = memparse(p+1, &p);
> + if (exactusablemap_parsed) {
> + /* remove all range with other types */
> + e820_remove_range(start_at, mem_size,
> + E820_RAM, 0);
> + }
> e820_add_region(start_at, mem_size, E820_RAM);
> } else if (*p == '#') {
> start_at = memparse(p+1, &p);
remove all old renges before add E820_RAM, otherwise new add E820
ranges could be ignored.
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next prev parent reply other threads:[~2013-01-14 19:04 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-27 0:42 [PATCH v7 0/5] Reset PCIe devices to address DMA problem on kdump with iommu Takao Indoh
2012-11-27 0:42 ` Takao Indoh
2012-11-27 0:42 ` [PATCH v7 1/5] x86, pci: add dummy pci device for early stage Takao Indoh
2012-11-27 0:42 ` Takao Indoh
2012-11-27 0:42 ` [PATCH v7 2/5] PCI: Define the maximum number of PCI function Takao Indoh
2012-11-27 0:42 ` Takao Indoh
2012-11-27 0:42 ` [PATCH v7 3/5] Make reset_devices available at early stage Takao Indoh
2012-11-27 0:42 ` Takao Indoh
2012-11-27 0:43 ` [PATCH v7 4/5] x86, pci: Reset PCIe devices at boot time Takao Indoh
2012-11-27 0:43 ` Takao Indoh
2012-11-27 0:43 ` [PATCH v7 5/5] x86, pci: Enable PCI INTx when MSI is disabled Takao Indoh
2012-11-27 0:43 ` Takao Indoh
2012-11-30 15:49 ` [PATCH v7 0/5] Reset PCIe devices to address DMA problem on kdump with iommu MUNEDA Takahiro
2012-11-30 15:49 ` MUNEDA Takahiro
2012-12-21 16:19 ` Yinghai Lu
2012-12-21 16:19 ` Yinghai Lu
2013-01-07 19:09 ` Thomas Renninger
2013-01-07 19:09 ` Thomas Renninger
2013-01-07 20:16 ` Yinghai Lu
2013-01-07 20:16 ` Yinghai Lu
2013-01-08 0:42 ` Thomas Renninger
2013-01-08 0:42 ` Thomas Renninger
2013-01-08 3:04 ` Yinghai Lu
2013-01-08 3:04 ` Yinghai Lu
2013-01-08 16:47 ` [PATCH] Only reset e820 once, even with multiple memmap=exactmap params Thomas Renninger
2013-01-08 16:47 ` Thomas Renninger
2013-01-08 17:19 ` Yinghai Lu
2013-01-08 17:19 ` Yinghai Lu
2013-01-10 3:21 ` Thomas Renninger
2013-01-10 3:21 ` Thomas Renninger
2013-01-10 14:26 ` Vivek Goyal
2013-01-10 14:26 ` Vivek Goyal
2013-01-10 16:53 ` Yinghai Lu
2013-01-10 16:53 ` Yinghai Lu
2013-01-10 17:01 ` Vivek Goyal
2013-01-10 17:01 ` Vivek Goyal
2013-01-10 17:11 ` Yinghai Lu
2013-01-10 17:11 ` Yinghai Lu
2013-01-10 23:34 ` Yinghai Lu
2013-01-11 12:33 ` [PATCH] x86 e820: only void usable memory areas in memmap=exactmap case Thomas Renninger
2013-01-11 12:33 ` Thomas Renninger
2013-01-11 16:16 ` Yinghai Lu
2013-01-11 16:16 ` Yinghai Lu
2013-01-11 18:24 ` Thomas Renninger
2013-01-11 18:24 ` Thomas Renninger
2013-01-11 19:59 ` Yinghai Lu
2013-01-11 19:59 ` Yinghai Lu
2013-01-11 20:06 ` H. Peter Anvin
2013-01-11 20:06 ` H. Peter Anvin
2013-01-11 21:09 ` Yinghai Lu
2013-01-11 21:09 ` Yinghai Lu
2013-01-11 22:16 ` H. Peter Anvin
2013-01-11 22:16 ` H. Peter Anvin
2013-01-12 11:31 ` Thomas Renninger
2013-01-12 11:31 ` Thomas Renninger
2013-01-12 17:07 ` Yinghai Lu
2013-01-12 17:07 ` Yinghai Lu
2013-01-14 2:08 ` Thomas Renninger
2013-01-14 2:08 ` Thomas Renninger
2013-01-14 2:43 ` Yinghai Lu
2013-01-14 2:43 ` Yinghai Lu
2013-01-14 15:05 ` Thomas Renninger
2013-01-14 15:05 ` Thomas Renninger
2013-01-14 19:04 ` Yinghai Lu [this message]
2013-01-14 19:04 ` Yinghai Lu
2013-01-15 0:54 ` Thomas Renninger
2013-01-15 0:54 ` Thomas Renninger
2013-01-15 4:45 ` Yinghai Lu
2013-01-15 4:45 ` Yinghai Lu
2013-01-22 15:21 ` Thomas Renninger
2013-01-22 15:21 ` Thomas Renninger
2013-01-08 16:50 ` [PATCH v7 0/5] Reset PCIe devices to address DMA problem on kdump with iommu Thomas Renninger
2013-01-08 16:50 ` Thomas Renninger
2013-01-08 17:27 ` Yinghai Lu
2013-01-08 17:27 ` Yinghai Lu
2013-01-09 2:32 ` Thomas Renninger
2013-01-09 2:32 ` Thomas Renninger
2013-01-09 4:39 ` Takao Indoh
2013-01-09 4:39 ` Takao Indoh
2013-01-21 1:11 ` Takao Indoh
2013-01-21 1:11 ` Takao Indoh
2013-01-23 0:47 ` Thomas Renninger
2013-01-23 0:47 ` Thomas Renninger
2013-01-24 0:23 ` Takao Indoh
2013-01-24 0:23 ` Takao Indoh
2013-01-29 1:14 ` Thomas Renninger
2013-01-29 1:14 ` Thomas Renninger
2013-01-30 5:01 ` Takao Indoh
2013-01-30 5:01 ` Takao Indoh
2013-03-04 0:56 ` Takao Indoh
2013-03-04 0:56 ` Takao Indoh
2013-03-04 22:00 ` Don Dutile
2013-03-04 22:00 ` Don Dutile
2013-03-05 0:56 ` Takao Indoh
2013-03-05 0:56 ` Takao Indoh
2012-12-21 9:59 ` oliver yang
2012-12-21 10:37 ` Takao Indoh
2012-12-21 10:37 ` Takao Indoh
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