From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 178221] radeon performance drop from 4.8 to 4.9-rc1 in Shadow of Mordor
Date: Tue, 18 Oct 2016 03:02:39 +0000 [thread overview]
Message-ID: <bug-178221-2300-qscTa5r7Hw@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-178221-2300@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=178221
Alex Deucher <alexdeucher@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alexdeucher@gmail.com
--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
This was bisected to"
87744ab3832b83ba71b931f86f9cfdb000d07da5 is the first bad commit
commit 87744ab3832b83ba71b931f86f9cfdb000d07da5
Author: Dan Williams <dan.j.williams@intel.com>
Date: Fri Oct 7 17:00:18 2016 -0700
mm: fix cache mode tracking in vm_insert_mixed()
vm_insert_mixed() unlike vm_insert_pfn_prot() and vmf_insert_pfn_pmd(),
fails to check the pgprot_t it uses for the mapping against the one
recorded in the memtype tracking tree. Add the missing call to
track_pfn_insert() to preclude cases where incompatible aliased mappings
are established for a given physical address range.
Link: http://lkml.kernel.org/r/
147328717909.35069.14256589123570653697.stgit@dwillia2-
desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Does reverting that commit fix your issue?
See:
https://lists.freedesktop.org/archives/dri-devel/2016-October/120693.html
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next prev parent reply other threads:[~2016-10-18 3:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-17 22:44 [Bug 178221] New: radeon performance drop from 4.8 to 4.9-rc1 in Shadow of Mordor bugzilla-daemon
2016-10-18 3:02 ` bugzilla-daemon [this message]
2016-10-18 19:31 ` [Bug 178221] " bugzilla-daemon
2016-10-30 11:12 ` bugzilla-daemon
2016-10-30 16:15 ` bugzilla-daemon
2016-11-19 19:06 ` bugzilla-daemon
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