From: Theodore Tso <tytso@mit.edu>
To: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Cc: Mark Lord <lkml@rtr.ca>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
greg@kroah.com, pcihpd-discuss@lists.sourceforge.net
Subject: Re: [PATCH 0/3] Fix two PEIe hotplug issues
Date: Thu, 18 Oct 2007 13:49:25 -0400 [thread overview]
Message-ID: <20071018174925.GB4927@thunk.org> (raw)
In-Reply-To: <20071018100614.435fe88c.kristen.c.accardi@intel.com>
On Thu, Oct 18, 2007 at 10:06:14AM -0700, Kristen Carlson Accardi wrote:
> No, it actually does violate the spec. Feel free to read it yourself.
> We are not supposed to do Native PCIe without first successfully executing
> OSC. Period. If you do, you are violating the spec.
To be fair, we have violated the spec before in order to get crappy
hardware or to work around crappy ACPI implementations.
acpi_sleep=s3_bios for example violates the spec, but yet it is the
only way to get certain laptops to suspend/resume correctly.
The question to ask is whether violating the spec will lead to (a) a
potential system hang/crash, (b) data corruption, (c) physical harm to
the device/laptop.
Regards,
- Ted
next prev parent reply other threads:[~2007-10-18 17:49 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-18 2:57 [PATCH 0/3] Fix two PEIe hotplug issues Mark Lord
2007-10-18 2:59 ` [PATCH 1/3] pciehp_handle_preinserted_card Mark Lord
2007-10-18 3:00 ` [PATCH 2/3] pciehp_split_pcie_init Mark Lord
2007-10-18 3:02 ` [PATCH 3/3] pciehp_resume_reinit_hardware Mark Lord
2007-10-18 3:03 ` [PATCH 1/3] pciehp_handle_preinserted_card Mark Lord
2007-10-18 3:04 ` [PATCH 2/3] pciehp_split_pcie_init Mark Lord
2007-10-18 3:05 ` [PATCH 0/3] Fix two PEIe hotplug issues Mark Lord
2007-10-18 3:09 ` Mark Lord
2007-10-18 16:13 ` Kristen Carlson Accardi
2007-10-18 17:06 ` Mark Lord
2007-10-18 17:06 ` Kristen Carlson Accardi
2007-10-18 17:49 ` Theodore Tso [this message]
2007-10-18 17:56 ` Kristen Carlson Accardi
2007-10-18 21:11 ` Mark Lord
2007-10-18 21:26 ` Mark Lord
2007-10-18 3:32 ` [PATCH 1/3] pciehp: hotplug: deal with pre-inserted ExpressCards Mark Lord
2007-10-18 3:33 ` [PATCH 2/3] pciehp: hotplug: split out hardware init from pcie_init() Mark Lord
2007-10-18 3:34 ` [PATCH 3/3] pciehp: hotplug: reinit hotplug h/w on resume from suspend Mark Lord
2007-10-18 11:15 ` [Pcihpd-discuss] [PATCH 1/3] pciehp: hotplug: deal with pre-inserted ExpressCards Kenji Kaneshige
2007-10-18 13:31 ` Mark Lord
2007-10-19 2:38 ` Kenji Kaneshige
2007-10-19 3:09 ` Mark Lord
2007-10-19 3:27 ` Kenji Kaneshige
2007-11-18 0:27 ` [PATCH] Fix PCIe double initialization bug Mark Lord
2007-11-18 12:23 ` Rafael J. Wysocki
2007-11-18 14:20 ` Mark Lord
2007-11-18 14:37 ` Mark Lord
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