From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:51305 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755370AbcEFRfh (ORCPT ); Fri, 6 May 2016 13:35:37 -0400 Subject: Patch "Revert: "powerpc/tm: Check for already reclaimed tasks"" has been added to the 4.4-stable tree To: gregkh@linuxfoundation.org, jslaby@suse.cz, mikey@neuling.org, mpe@ellerman.id.au Cc: , From: Date: Fri, 06 May 2016 12:32:57 -0400 Message-ID: <1462552377226250@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled Revert: "powerpc/tm: Check for already reclaimed tasks" to the 4.4-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: revert-powerpc-tm-check-for-already-reclaimed-tasks.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Fri May 6 12:03:29 EDT 2016 Date: Fri, 06 May 2016 12:03:29 -0400 To: Greg KH From: Greg Kroah-Hartman Subject: Revert: "powerpc/tm: Check for already reclaimed tasks" This reverts commit e924c60db1b4891e45d15a33474ac5fab62cf029 which was commit 7f821fc9c77a9b01fe7b1d6e72717b33d8d64142 upstream. It shouldn't have been applied as the original was already in 4.4. Reported-by: Jiri Slaby Cc: Michael Neuling Cc: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kernel/process.c | 18 ------------------ 1 file changed, 18 deletions(-) --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -569,24 +569,6 @@ static void tm_reclaim_thread(struct thr if (!MSR_TM_SUSPENDED(mfmsr())) return; - /* - * Use the current MSR TM suspended bit to track if we have - * checkpointed state outstanding. - * On signal delivery, we'd normally reclaim the checkpointed - * state to obtain stack pointer (see:get_tm_stackpointer()). - * This will then directly return to userspace without going - * through __switch_to(). However, if the stack frame is bad, - * we need to exit this thread which calls __switch_to() which - * will again attempt to reclaim the already saved tm state. - * Hence we need to check that we've not already reclaimed - * this state. - * We do this using the current MSR, rather tracking it in - * some specific thread_struct bit, as it has the additional - * benifit of checking for a potential TM bad thing exception. - */ - if (!MSR_TM_SUSPENDED(mfmsr())) - return; - tm_reclaim(thr, thr->regs->msr, cause); /* Having done the reclaim, we now have the checkpointed Patches currently in stable-queue which might be from gregkh@linuxfoundation.org are queue-4.4/rdma-iw_cxgb4-fix-bar2-virt-addr-calculation-for-t4-chips.patch queue-4.4/revert-powerpc-tm-check-for-already-reclaimed-tasks.patch queue-4.4/ata-ahci_xgene-dereferencing-uninitialized-pointer-in-probe.patch queue-4.4/lpfc-fix-misleading-indentation.patch queue-4.4/ipvs-handle-ip_vs_fill_iph_skb_off-failure.patch queue-4.4/clk-qcom-msm8960-fix-ce3_src-register-offset.patch queue-4.4/clk-versatile-sp810-support-reentrance.patch queue-4.4/clk-rockchip-free-memory-in-error-cases-when-registering-clock-branches.patch queue-4.4/ipvs-correct-initial-offset-of-call-id-header-search-in-sip-persistence-engine.patch queue-4.4/clk-divider-make-sure-read-only-dividers-do-not-write-to-their-register.patch queue-4.4/mfd-intel-lpss-remove-clock-tree-on-error-path.patch queue-4.4/nbd-ratelimit-error-msgs-after-socket-close.patch queue-4.4/mwifiex-fix-corner-case-association-failure.patch queue-4.4/cns3xxx-fix-pci-cns3xxx_write_config.patch queue-4.4/clk-qcom-msm8960-fix-ce3_core-clk-enable-register.patch queue-4.4/ipvs-drop-first-packet-to-redirect-conntrack.patch queue-4.4/soc-rockchip-power-domain-fix-err-handle-while-probing.patch queue-4.4/clk-meson-fix-meson_clk_register_clks-signature-type-mismatch.patch