From: Boris Ostrovsky <boris.ostrovsky@amd.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: "ostr@amd64.org" <ostr@amd64.org>,
"jvpeetz@web.de" <jvpeetz@web.de>,
"Petkov, Borislav" <Borislav.Petkov@amd.com>,
"ak@linux.intel.com" <ak@linux.intel.com>,
"mingo@elte.hu" <mingo@elte.hu>,
"gregkh@suse.de" <gregkh@suse.de>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"stable@kernel.org" <stable@kernel.org>,
"tim.bird@am.sony.com" <tim.bird@am.sony.com>,
"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: Re: [PATCH] [25/98] x86, AMD: Fix APIC timer erratum 400 affecting K8 Rev.A-E processors
Date: Wed, 27 Jul 2011 08:38:55 -0400 [thread overview]
Message-ID: <4E3006DF.6010906@amd.com> (raw)
In-Reply-To: <20110727003517.6946C2403FF@tassilo.jf.intel.com>
On 07/26/11 20:35, Andi Kleen wrote:
> 2.6.35-longterm review patch. If anyone has any objections, please let me know.
>
> ------------------
> From: Boris Ostrovsky<ostr@amd64.org>
>
> commit e20a2d205c05cef6b5783df339a7d54adeb50962 upstream.
>
> Older AMD K8 processors (Revisions A-E) are affected by erratum
> 400 (APIC timer interrupts don't occur in C states greater than
> C1). This, for example, means that X86_FEATURE_ARAT flag should
> not be set for these parts.
>
> This addresses regression introduced by commit
> b87cf80af3ba4b4c008b4face3c68d604e1715c6 ("x86, AMD: Set ARAT
> feature on AMD processors") where the system may become
> unresponsive until external interrupt (such as keyboard input)
> occurs. This results, for example, in time not being reported
> correctly, lack of progress on the system and other lockups.
>
> Reported-by: Joerg-Volker Peetz<jvpeetz@web.de>
> Tested-by: Joerg-Volker Peetz<jvpeetz@web.de>
> Acked-by: Borislav Petkov<borislav.petkov@amd.com>
> Signed-off-by: Boris Ostrovsky<Boris.Ostrovsky@amd.com>
> Signed-off-by: Andi Kleen<ak@linux.intel.com>
> Link: http://lkml.kernel.org/r/1304113663-6586-1-git-send-email-ostr@amd64.org
> Signed-off-by: Ingo Molnar<mingo@elte.hu>
> Signed-off-by: Greg Kroah-Hartman<gregkh@suse.de>
>
> ---
> arch/x86/kernel/cpu/amd.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-2.6.35.y/arch/x86/kernel/cpu/amd.c
> ===================================================================
> --- linux-2.6.35.y.orig/arch/x86/kernel/cpu/amd.c
> +++ linux-2.6.35.y/arch/x86/kernel/cpu/amd.c
> @@ -651,7 +651,7 @@ cpu_dev_register(amd_cpu_dev);
> */
>
> const int amd_erratum_400[] =
> - AMD_OSVW_ERRATUM(1, AMD_MODEL_RANGE(0xf, 0x41, 0x2, 0xff, 0xf),
> + AMD_OSVW_ERRATUM(1, AMD_MODEL_RANGE(0x0f, 0x4, 0x2, 0xff, 0xf),
> AMD_MODEL_RANGE(0x10, 0x2, 0x1, 0xff, 0xf));
>
>
>
Andi, this patch is unnecessary.
It (as well as 328935e6348c6a7cb34798a68c326f4b8372e68a and
14fb57dccb6e1defe9f89a66f548fcb24c374c1d) is superseded by
e9cdd343a5e42c43bcda01e609fa23089e026470 upstream
-boris
next prev parent reply other threads:[~2011-07-27 12:39 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-27 0:34 [PATCH] [0/98] 2.6.35.14 longterm review Andi Kleen
2011-07-27 0:34 ` [PATCH] [1/98] kbuild: Disable -Wunused-but-set-variable for gcc 4.6.0 Andi Kleen
2011-07-27 0:34 ` [PATCH] [2/98] kbuild: Fix passing -Wno-* options to gcc 4.4+ Andi Kleen
2011-07-27 0:34 ` [PATCH] [3/98] Add Andi Kleen as 2.6.35 longterm maintainer Andi Kleen
2011-07-27 0:34 ` [PATCH] [4/98] Remove the old V4L1 v4lgrab.c file Andi Kleen
2011-07-27 0:34 ` [PATCH] [5/98] agp: fix arbitrary kernel memory writes Andi Kleen
2011-07-27 0:34 ` [PATCH] [6/98] agp: fix OOM and buffer overflow Andi Kleen
2011-07-27 0:34 ` [PATCH] [7/98] i8k: Tell gcc that *regs gets clobbered Andi Kleen
2011-07-27 0:35 ` [PATCH] [8/98] Fix gcc 4.5.1 miscompiling drivers/char/i8k.c (again) Andi Kleen
2011-07-27 0:35 ` [PATCH] [9/98] USB: serial/usb_wwan, fix tty NULL dereference Andi Kleen
2011-07-27 0:35 ` [PATCH] [10/98] ipv6: add special mode accept_ra=2 to accept RA while configured as router Andi Kleen
2011-07-27 17:41 ` Stephen Clark
2011-07-27 20:11 ` Andi Kleen
2011-07-27 0:35 ` [PATCH] [11/98] mpt2sas: prevent heap overflows and unchecked reads Andi Kleen
2011-07-27 0:35 ` [PATCH] [12/98] slub: fix panic with DISCONTIGMEM Andi Kleen
2011-07-27 21:47 ` David Rientjes
2011-07-27 21:55 ` Andi Kleen
2011-07-27 0:35 ` [PATCH] [13/98] set memory ranges in N_NORMAL_MEMORY when onlined Andi Kleen
2011-07-27 0:35 ` [PATCH] [14/98] FLEXCOP-PCI: fix __xlate_proc_name-warning for flexcop-pci Andi Kleen
2011-07-27 0:35 ` [PATCH] [15/98] m68k/mm: Set all online nodes in N_NORMAL_MEMORY Andi Kleen
2011-07-27 0:35 ` [PATCH] [16/98] nfs: don't lose MS_SYNCHRONOUS on remount of noac mount Andi Kleen
2011-07-27 0:35 ` [PATCH] [17/98] NFSv4.1: Ensure state manager thread dies on last umount Andi Kleen
2011-07-27 0:35 ` [PATCH] [18/98] Input: xen-kbdfront - fix mouse getting stuck after save/restore Andi Kleen
2011-07-27 0:35 ` [PATCH] [19/98] pmcraid: reject negative request size Andi Kleen
2011-07-27 0:35 ` [PATCH] [20/98] put stricter guards on queue dead checks Andi Kleen
2011-07-27 0:35 ` [PATCH] [21/98] mmc: sdhci-pci: Fix error case in sdhci_pci_probe_slot() Andi Kleen
2011-07-27 0:35 ` [PATCH] [22/98] mmc: sdhci: Check mrq->cmd in sdhci_tasklet_finish Andi Kleen
2011-07-27 0:35 ` [PATCH] [23/98] mmc: sdhci: Check mrq != NULL " Andi Kleen
2011-07-27 0:35 ` [PATCH] [24/98] USB: fix regression in usbip by setting has_tt flag Andi Kleen
2011-07-27 0:35 ` [PATCH] [25/98] x86, AMD: Fix APIC timer erratum 400 affecting K8 Rev.A-E processors Andi Kleen
2011-07-27 12:38 ` Boris Ostrovsky [this message]
2011-07-27 15:42 ` Andi Kleen
2011-07-27 16:06 ` Boris Ostrovsky
2011-07-27 20:13 ` Andi Kleen
2011-07-27 0:35 ` [PATCH] [26/98] af_unix: Only allow recv on connected seqpacket sockets Andi Kleen
2011-07-27 15:58 ` [stable] " Tim Gardner
2011-07-27 16:02 ` Andi Kleen
2011-07-27 19:23 ` Eric W. Biederman
2011-08-01 20:08 ` Andi Kleen
2011-08-01 20:43 ` Tim Gardner
2011-07-27 0:35 ` [PATCH] [27/98] ARM: 6891/1: prevent heap corruption in OABI semtimedop Andi Kleen
2011-07-27 0:35 ` [PATCH] [28/98] Open with O_CREAT flag set fails to open existing files on non writable directories Andi Kleen
2011-07-27 0:35 ` [PATCH] [29/98] can: Add missing socket check in can/bcm release Andi Kleen
2011-07-27 0:35 ` [PATCH] [30/98] fs/partitions/ldm.c: fix oops caused by corrupted partition table Andi Kleen
2011-07-27 0:35 ` [PATCH] [31/98] Input: elantech - discard the first 2 positions on some firmwares Andi Kleen
2011-07-27 0:35 ` [PATCH] [32/98] Staging: rtl8192su: Clean up in case of an error in module initialisation Andi Kleen
2011-07-27 0:35 ` [PATCH] [33/98] Staging: rtl8192su: Fix procfs code for interfaces not named wlan0 Andi Kleen
2011-07-27 0:35 ` [PATCH] [34/98] USB: teach "devices" file about Wireless and SuperSpeed USB Andi Kleen
2011-07-27 0:35 ` [PATCH] [35/98] SUNRPC: fix NFS client over TCP hangs due to packet loss (Bug 16494) Andi Kleen
2011-07-27 0:35 ` [PATCH] [36/98] nfs4: Ensure that ACL pages sent over NFS were not allocated from the slab (v3) Andi Kleen
2011-07-27 0:35 ` [PATCH] [37/98] nfs: fix compilation warning Andi Kleen
2011-07-27 0:35 ` [PATCH] [38/98] Fix corrupted OSF partition table parsing Andi Kleen
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