From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Tang Chen <tangchen@cn.fujitsu.com>
Cc: robert.moore@intel.com, lv.zheng@intel.com, lenb@kernel.org,
tglx@linutronix.de, mingo@elte.hu, hpa@zytor.com,
akpm@linux-foundation.org, tj@kernel.org, trenn@suse.de,
yinghai@kernel.org, jiang.liu@huawei.com, wency@cn.fujitsu.com,
laijs@cn.fujitsu.com, isimatu.yasuaki@jp.fujitsu.com,
izumi.taku@jp.fujitsu.com, mgorman@suse.de, minchan@kernel.org,
mina86@mina86.com, gong.chen@linux.intel.com,
vasilis.liaskovitis@profitbricks.com, lwoodman@redhat.com,
riel@redhat.com, jweiner@redhat.com, prarit@redhat.com,
zhangyanfei@cn.fujitsu.com, yanghy@cn.fujitsu.com,
x86@kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH v2 RESEND 07/18] x86, ACPI: Also initialize signature and length when parsing root table.
Date: Mon, 05 Aug 2013 15:28:40 +0200 [thread overview]
Message-ID: <5315714.F7fnXQVuXS@vostro.rjw.lan> (raw)
In-Reply-To: <51FF00EC.1030609@cn.fujitsu.com>
On Monday, August 05, 2013 09:33:32 AM Tang Chen wrote:
> Hi Rafael,
>
> On 08/02/2013 09:03 PM, Rafael J. Wysocki wrote:
> > On Friday, August 02, 2013 05:14:26 PM Tang Chen wrote:
> >> Besides the phys addr of the acpi tables, it will be very convenient if
> >> we also have the signature of each table in acpi_gbl_root_table_list at
> >> early time. We can find SRAT easily by comparing the signature.
> >>
> >> This patch alse record signature and some other info in
> >> acpi_gbl_root_table_list at early time.
> >>
> >> Signed-off-by: Tang Chen<tangchen@cn.fujitsu.com>
> >> Reviewed-by: Zhang Yanfei<zhangyanfei@cn.fujitsu.com>
> >
> > The subject is misleading, as the change is in ACPICA and therefore affects not
> > only x86.
>
> OK, will change it.
>
> >
> > Also I think the same comments as for the other ACPICA patch is this series
> > applies: You shouldn't modify acpi_tbl_parse_root_table() in ways that would
> > require the other OSes using ACPICA to be modified.
> >
>
> Thank you for the reminding. Please refer to the attachment.
> How do you think of the idea from Zheng ?
It's doable and, quite frankly, if the ACPICA maintainers are happy, I'm fine
with that too.
Thanks,
Rafael
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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next prev parent reply other threads:[~2013-08-05 13:18 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-02 9:14 [PATCH v2 RESEND 00/18] Arrange hotpluggable memory as ZONE_MOVABLE Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 01/18] acpi: Print Hot-Pluggable Field in SRAT Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 02/18] earlycpio.c: Fix the confusing comment of find_cpio_data() Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 03/18] acpi: Remove "continue" in macro INVALID_TABLE() Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 04/18] acpi: Introduce acpi_verify_initrd() to check if a table is invalid Tang Chen
2013-08-06 23:02 ` Toshi Kani
2013-08-02 9:14 ` [PATCH v2 RESEND 05/18] x86, ACPICA: Split acpi_boot_table_init() into two parts Tang Chen
2013-08-02 13:00 ` Rafael J. Wysocki
2013-08-05 3:21 ` Tang Chen
2013-08-05 13:26 ` Rafael J. Wysocki
2013-08-05 13:23 ` Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 06/18] x86, acpi, ACPICA: Initialize ACPI root table list earlier Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 07/18] x86, ACPI: Also initialize signature and length when parsing root table Tang Chen
2013-08-02 13:03 ` Rafael J. Wysocki
2013-08-05 1:33 ` Tang Chen
2013-08-05 13:28 ` Rafael J. Wysocki [this message]
2013-08-02 9:14 ` [PATCH v2 RESEND 08/18] x86: get pg_data_t's memory from other node Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 09/18] x86: Make get_ramdisk_{image|size}() global Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 10/18] x86, acpi: Try to find if SRAT is overrided earlier Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 11/18] x86, acpi: Try to find SRAT in firmware earlier Tang Chen
2013-08-06 23:33 ` Toshi Kani
2013-08-07 1:37 ` Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 12/18] x86, acpi, numa, mem_hotplug: Find hotpluggable memory in SRAT memory affinities Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 13/18] x86, numa, mem_hotplug: Skip all the regions the kernel resides in Tang Chen
2013-08-05 6:22 ` Tang Chen
2013-08-05 14:52 ` Tejun Heo
2013-08-05 15:12 ` Zhang Yanfei
2013-08-06 2:29 ` Tang Chen
2013-08-06 15:10 ` Tejun Heo
2013-08-06 2:50 ` Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 14/18] memblock, numa: Introduce flag into memblock Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 15/18] memblock, mem_hotplug: Introduce MEMBLOCK_HOTPLUG flag to mark hotpluggable regions Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 16/18] memblock, mem_hotplug: Make memblock skip hotpluggable regions by default Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 17/18] mem-hotplug: Introduce movablenode boot option to {en|dis}able using SRAT Tang Chen
2013-08-02 9:14 ` [PATCH v2 RESEND 18/18] x86, numa, acpi, memory-hotplug: Make movablenode have higher priority Tang Chen
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