This is a note to let you know that I've just added the patch titled ahci: remove pmp link online check in FBS EH
to the 3.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ahci-remove-pmp-link-online-check-in-fbs-eh.patch and it can be found in the queue-3.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@vger.kernel.org> know about it. >From 912b9ac683b112615d5605686f1dc086402ce9f7 Mon Sep 17 00:00:00 2001 From: Shane Huang <shane.hu...@amd.com> Date: Sat, 8 Jun 2013 16:00:16 +0800 Subject: ahci: remove pmp link online check in FBS EH From: Shane Huang <shane.hu...@amd.com> commit 912b9ac683b112615d5605686f1dc086402ce9f7 upstream. ata_link_online() check in ahci_error_intr() is unnecessary, it should be removed otherwise may lead to lockup with FBS enabled PMP. http://marc.info/?l=linux-ide&m=137050421603272&w=2 Reported-by: Yu Liu <liuyu...@gmail.com> Signed-off-by: Shane Huang <shane.hu...@amd.com> Signed-off-by: Tejun Heo <t...@kernel.org> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> --- drivers/ata/libahci.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1543,8 +1543,7 @@ static void ahci_error_intr(struct ata_p u32 fbs = readl(port_mmio + PORT_FBS); int pmp = fbs >> PORT_FBS_DWE_OFFSET; - if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links) && - ata_link_online(&ap->pmp_link[pmp])) { + if ((fbs & PORT_FBS_SDE) && (pmp < ap->nr_pmp_links)) { link = &ap->pmp_link[pmp]; fbs_need_dec = true; } Patches currently in stable-queue which might be from shane.hu...@amd.com are queue-3.4/ahci-add-amd-cz-sata-device-id.patch queue-3.4/ahci-remove-pmp-link-online-check-in-fbs-eh.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html