From: Andi Kleen <ak@suse.de>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org, adurbin@google.com
Subject: Re: [PATCH for 2.6.19] [6/9] x86_64: Update MMCONFIG resource insertion to check against e820 map.
Date: 14 Nov 2006 19:38:49 +0100 [thread overview]
Message-ID: <p73irhhdgau.fsf@bingen.suse.de> (raw)
In-Reply-To: <20061114160856.D02D113C69@wotan.suse.de>
Andi Kleen <ak@suse.de> writes:
> From: "Aaron Durbin" <adurbin@google.com>
> Check to see if MMCONFIG region is marked as reserved in the e820 map before
> inserting the MMCONFIG region into the resource map. If the region is not
> entirely marked as reserved in the e820 map attempt to find a region that is.
> Only insert the MMCONFIG region into the resource map if there was a region
> found marked as reserved in the e820 map. This should fix a known regression
> in 2.6.19 by not reserving all of the I/O space on misconfigured systems.
[...]
Before anyone complains. This one patch is actually not in, because
Linus' decision was it instead to revert the mcfg reservation
code for .19. He already did it for i386 and i followed on x86-64.
But this patch went into the posted patchkit by mistake.
Will be probably revisited for .20.
-Andi
next prev parent reply other threads:[~2006-11-14 18:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-14 16:08 [PATCH for 2.6.19] [1/9] x86_64: Fix partial page check to ensure unusable memory is not being marked usable Andi Kleen
2006-11-14 16:08 ` [PATCH for 2.6.19] [2/9] x86_64: Fix PTRACE_[SG]ET_THREAD_AREA regression with ia32 emulation Andi Kleen
2006-11-14 16:08 ` [PATCH for 2.6.19] [3/9] x86_64: shorten the x86_64 boot setup GDT to what the comment says Andi Kleen
2006-11-15 10:00 ` Ingo Molnar
2006-11-14 16:08 ` [PATCH for 2.6.19] [4/9] x86_64: Handle reserve_bootmem_generic beyond end_pfn Andi Kleen
2006-11-14 16:08 ` [PATCH for 2.6.19] [5/9] x86_64: setup saved_max_pfn correctly (kdump) Andi Kleen
2006-11-14 16:08 ` [PATCH for 2.6.19] [6/9] x86_64: Update MMCONFIG resource insertion to check against e820 map Andi Kleen
2006-11-14 18:38 ` Andi Kleen [this message]
2006-11-14 18:47 ` Aaron Durbin
2006-11-14 18:58 ` Andi Kleen
2006-11-14 16:08 ` [PATCH for 2.6.19] [7/9] x86: Add acpi_user_timer_override option for Asus boards Andi Kleen
2006-11-14 16:08 ` [PATCH for 2.6.19] [8/9] x86_64: Fix vgetcpu when CONFIG_HOTPLUG_CPU is disabled Andi Kleen
2006-11-14 16:08 ` [PATCH for 2.6.19] [9/9] x86_64: Fix race in exit_idle Andi Kleen
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