[Kernel-packages] [Bug 1666197] Re: POWER9 : Enable Stop 0-2 with ESL=EC=0
This bug was fixed in the package linux - 4.8.0-49.52 --- linux (4.8.0-49.52) yakkety; urgency=low * linux: 4.8.0-49.52 -proposed tracker (LP: #1684427) * [Hyper-V] hv: util: move waiting for release to hv_utils_transport itself (LP: #1682561) - Drivers: hv: util: move waiting for release to hv_utils_transport itself linux (4.8.0-48.51) yakkety; urgency=low * linux: 4.8.0-48.51 -proposed tracker (LP: #1682034) * [Hyper-V] hv: vmbus: Raise retry/wait limits in vmbus_post_msg() (LP: #1681893) - Drivers: hv: vmbus: Raise retry/wait limits in vmbus_post_msg() linux (4.8.0-47.50) yakkety; urgency=low * linux: 4.8.0-47.50 -proposed tracker (LP: #1679678) * CVE-2017-6353 - sctp: deny peeloff operation on asocs with threads sleeping on it * CVE-2017-5986 - sctp: avoid BUG_ON on sctp_wait_for_sndbuf * vfat: missing iso8859-1 charset (LP: #1677230) - [Config] NLS_ISO8859_1=y * [Hyper-V] pci-hyperv: Use device serial number as PCI domain (LP: #1667527) - net/mlx4_core: Use cq quota in SRIOV when creating completion EQs * Regression: KVM modules should be on main kernel package (LP: #1678099) - [Config] powerpc: Add kvm-hv and kvm-pr to the generic inclusion list * linux-lts-xenial 4.4.0-63.84~14.04.2 ADT test failure with linux-lts-xenial 4.4.0-63.84~14.04.2 (LP: #1664912) - SAUCE: apparmor: fix link auditing failure due to, uninitialized var * regession tests failing after stackprofile test is run (LP: #1661030) - SAUCE: fix regression with domain change in complain mode * Permission denied and inconsistent behavior in complain mode with 'ip netns list' command (LP: #1648903) - SAUCE: fix regression with domain change in complain mode * unexpected errno=13 and disconnected path when trying to open /proc/1/ns/mnt from a unshared mount namespace (LP: #1656121) - SAUCE: apparmor: null profiles should inherit parent control flags * apparmor refcount leak of profile namespace when removing profiles (LP: #1660849) - SAUCE: apparmor: fix ns ref count link when removing profiles from policy * tor in lxd: apparmor="DENIED" operation="change_onexec" namespace="root//CONTAINERNAME_" profile="unconfined" name="system_tor" (LP: #1648143) - SAUCE: apparmor: Fix no_new_privs blocking change_onexec when using stacked namespaces * apparmor oops in bind_mnt when dev_path lookup fails (LP: #1660840) - SAUCE: apparmor: fix oops in bind_mnt when dev_path lookup fails * apparmor auditing denied access of special apparmor .null fi\ le (LP: #1660836) - SAUCE: apparmor: Don't audit denied access of special apparmor .null file * apparmor label leak when new label is unused (LP: #1660834) - SAUCE: apparmor: fix label leak when new label is unused * apparmor reference count bug in label_merge_insert() (LP: #1660833) - SAUCE: apparmor: fix reference count bug in label_merge_insert() * apparmor's raw_data file in securityfs is sometimes truncated (LP: #1638996) - SAUCE: apparmor: fix replacement race in reading rawdata * unix domain socket cross permission check failing with nested namespaces (LP: #1660832) - SAUCE: apparmor: fix cross ns perm of unix domain sockets * [Hyper-V][Mellanox] net/mlx4_core: Avoid delays during VF driver device shutdown (LP: #1672785) - Revert "net/mlx4_en: Avoid unregister_netdev at shutdown flow" - net/mlx4_core: Avoid delays during VF driver device shutdown * Update ENA driver to 1.1.2 from net-next (LP: #1664312) - net: ena: Remove unnecessary pci_set_drvdata() - net: ena: Fix error return code in ena_device_init() - net: ena: change the return type of ena_set_push_mode() to be void. - net: ena: use setup_timer() and mod_timer() - net/ena: remove ntuple filter support from device feature list - net/ena: fix queues number calculation - net/ena: fix ethtool RSS flow configuration - net/ena: fix RSS default hash configuration - net/ena: fix NULL dereference when removing the driver after device reset failed - net/ena: refactor ena_get_stats64 to be atomic context safe - net/ena: fix potential access to freed memory during device reset - net/ena: use READ_ONCE to access completion descriptors - net/ena: reduce the severity of ena printouts - net/ena: change driver's default timeouts - net/ena: change condition for host attribute configuration - net/ena: update driver version to 1.1.2 * ISST-LTE:pVM:roselp4:ubuntu16.04.2: number of numa_miss and numa_foreign wrong in numastat (LP: #1672953) - mm: fix remote numa hits statistics - mm: get rid of __GFP_OTHER_NODE * Using an NVMe drive causes huge power drain (LP: #1664602) - nvme/scsi: Remove power management support - nvme: Pass pointers, not dma addresses, to nvme_get/set_features() - nvme: introduce struct nvme_request - nvme: Add a quirk
[Kernel-packages] [Bug 1666197] Re: POWER9 : Enable Stop 0-2 with ESL=EC=0
** Tags removed: verification-needed-yakkety ** Tags added: verification-done-yakkety -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1666197 Title: POWER9 : Enable Stop 0-2 with ESL=EC=0 Status in linux package in Ubuntu: Fix Released Status in linux source package in Yakkety: Fix Committed Status in linux source package in Zesty: Fix Released Bug description: In Linux 4.10-rc8, the implementation to enable the "stop" instruction has the following shortcomings: a) The code hand-codes the values for ESL, EC, TR, MTL bits of PSSCR and uses only the RL field from the firmware. While this is not incorrect, since the hand-coded values are legitimate, it is not a very flexible design since the firmware has the capability to communicate these values via the "ibm,cpu-idle-state-psscr" and "ibm,cpu-idle-state-psscr-mask" properties. In case where the firmware provides values for these fields that is different from the hand-coded values, the current code will not work as intended. b) Due to issue a), the current code assumes that ESL=EC=1 for all the stop states and hence the wakeup from the stop instruction will happen at 0x100, the system-reset vector which also results in GPR state loss. However, the ISA v3.0 allows the ESL=EC=0 behaviour where the corresponding stop-states lose no GPR state and wakes up from the subsequent instruction. The code in 4.10-rc8 doesn't support these light-weight stop modes. The following commits in the "next" branch of the powerpc-linux git tree (git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git) address these issues. These patches are needed in 17.04 to enable light-weight stop modes 1) commit 823b7bd5156a93872d9561b3f033dfe5cb80204e, powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro 2)commit dd34c74c97b6c3ed1ac7caec0b46267142659aff, powernv:stop: Rename pnv_arch300_idle_init to pnv_power9_idle_init 3)commit 9e9fc6f00a54f7064dc681ac187be6498d566a4f, cpuidle:powernv: Add helper function to populate powernv idle states 4)commit 09206b600c76f20984e80d99f3b5343c79332a97, powernv: Pass PSSCR value and mask to power9_idle_stop 5)commit b48ff52043f489d594b989b318c120ca340a2e41, Documentation:powerpc: Add device-tree bindings for power-mgt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666197/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1666197] Re: POWER9 : Enable Stop 0-2 with ESL=EC=0
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- yakkety' to 'verification-done-yakkety'. If the problem still exists, change the tag 'verification-needed-yakkety' to 'verification-failed- yakkety'. If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-yakkety -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1666197 Title: POWER9 : Enable Stop 0-2 with ESL=EC=0 Status in linux package in Ubuntu: Fix Released Status in linux source package in Yakkety: Fix Committed Status in linux source package in Zesty: Fix Released Bug description: In Linux 4.10-rc8, the implementation to enable the "stop" instruction has the following shortcomings: a) The code hand-codes the values for ESL, EC, TR, MTL bits of PSSCR and uses only the RL field from the firmware. While this is not incorrect, since the hand-coded values are legitimate, it is not a very flexible design since the firmware has the capability to communicate these values via the "ibm,cpu-idle-state-psscr" and "ibm,cpu-idle-state-psscr-mask" properties. In case where the firmware provides values for these fields that is different from the hand-coded values, the current code will not work as intended. b) Due to issue a), the current code assumes that ESL=EC=1 for all the stop states and hence the wakeup from the stop instruction will happen at 0x100, the system-reset vector which also results in GPR state loss. However, the ISA v3.0 allows the ESL=EC=0 behaviour where the corresponding stop-states lose no GPR state and wakes up from the subsequent instruction. The code in 4.10-rc8 doesn't support these light-weight stop modes. The following commits in the "next" branch of the powerpc-linux git tree (git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git) address these issues. These patches are needed in 17.04 to enable light-weight stop modes 1) commit 823b7bd5156a93872d9561b3f033dfe5cb80204e, powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro 2)commit dd34c74c97b6c3ed1ac7caec0b46267142659aff, powernv:stop: Rename pnv_arch300_idle_init to pnv_power9_idle_init 3)commit 9e9fc6f00a54f7064dc681ac187be6498d566a4f, cpuidle:powernv: Add helper function to populate powernv idle states 4)commit 09206b600c76f20984e80d99f3b5343c79332a97, powernv: Pass PSSCR value and mask to power9_idle_stop 5)commit b48ff52043f489d594b989b318c120ca340a2e41, Documentation:powerpc: Add device-tree bindings for power-mgt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666197/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1666197] Re: POWER9 : Enable Stop 0-2 with ESL=EC=0
** Changed in: linux (Ubuntu Yakkety) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1666197 Title: POWER9 : Enable Stop 0-2 with ESL=EC=0 Status in linux package in Ubuntu: Fix Released Status in linux source package in Yakkety: Fix Committed Status in linux source package in Zesty: Fix Released Bug description: In Linux 4.10-rc8, the implementation to enable the "stop" instruction has the following shortcomings: a) The code hand-codes the values for ESL, EC, TR, MTL bits of PSSCR and uses only the RL field from the firmware. While this is not incorrect, since the hand-coded values are legitimate, it is not a very flexible design since the firmware has the capability to communicate these values via the "ibm,cpu-idle-state-psscr" and "ibm,cpu-idle-state-psscr-mask" properties. In case where the firmware provides values for these fields that is different from the hand-coded values, the current code will not work as intended. b) Due to issue a), the current code assumes that ESL=EC=1 for all the stop states and hence the wakeup from the stop instruction will happen at 0x100, the system-reset vector which also results in GPR state loss. However, the ISA v3.0 allows the ESL=EC=0 behaviour where the corresponding stop-states lose no GPR state and wakes up from the subsequent instruction. The code in 4.10-rc8 doesn't support these light-weight stop modes. The following commits in the "next" branch of the powerpc-linux git tree (git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git) address these issues. These patches are needed in 17.04 to enable light-weight stop modes 1) commit 823b7bd5156a93872d9561b3f033dfe5cb80204e, powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro 2)commit dd34c74c97b6c3ed1ac7caec0b46267142659aff, powernv:stop: Rename pnv_arch300_idle_init to pnv_power9_idle_init 3)commit 9e9fc6f00a54f7064dc681ac187be6498d566a4f, cpuidle:powernv: Add helper function to populate powernv idle states 4)commit 09206b600c76f20984e80d99f3b5343c79332a97, powernv: Pass PSSCR value and mask to power9_idle_stop 5)commit b48ff52043f489d594b989b318c120ca340a2e41, Documentation:powerpc: Add device-tree bindings for power-mgt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666197/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1666197] Re: POWER9 : Enable Stop 0-2 with ESL=EC=0
https://lists.ubuntu.com/archives/kernel-team/2017-March/082931.html I guess that wasn't as hard as I thought. Not sure where I went off into the weeds on my attempts to backport this patch set. Anyway, thanks for doing the heavy lifting. I also applied and pushed to Zesty commit 424f8acd328a . ** Also affects: linux (Ubuntu Yakkety) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Yakkety) Status: New => In Progress ** Changed in: linux (Ubuntu Yakkety) Assignee: (unassigned) => Tim Gardner (timg-tpi) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1666197 Title: POWER9 : Enable Stop 0-2 with ESL=EC=0 Status in linux package in Ubuntu: Fix Released Status in linux source package in Yakkety: In Progress Status in linux source package in Zesty: Fix Released Bug description: In Linux 4.10-rc8, the implementation to enable the "stop" instruction has the following shortcomings: a) The code hand-codes the values for ESL, EC, TR, MTL bits of PSSCR and uses only the RL field from the firmware. While this is not incorrect, since the hand-coded values are legitimate, it is not a very flexible design since the firmware has the capability to communicate these values via the "ibm,cpu-idle-state-psscr" and "ibm,cpu-idle-state-psscr-mask" properties. In case where the firmware provides values for these fields that is different from the hand-coded values, the current code will not work as intended. b) Due to issue a), the current code assumes that ESL=EC=1 for all the stop states and hence the wakeup from the stop instruction will happen at 0x100, the system-reset vector which also results in GPR state loss. However, the ISA v3.0 allows the ESL=EC=0 behaviour where the corresponding stop-states lose no GPR state and wakes up from the subsequent instruction. The code in 4.10-rc8 doesn't support these light-weight stop modes. The following commits in the "next" branch of the powerpc-linux git tree (git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git) address these issues. These patches are needed in 17.04 to enable light-weight stop modes 1) commit 823b7bd5156a93872d9561b3f033dfe5cb80204e, powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro 2)commit dd34c74c97b6c3ed1ac7caec0b46267142659aff, powernv:stop: Rename pnv_arch300_idle_init to pnv_power9_idle_init 3)commit 9e9fc6f00a54f7064dc681ac187be6498d566a4f, cpuidle:powernv: Add helper function to populate powernv idle states 4)commit 09206b600c76f20984e80d99f3b5343c79332a97, powernv: Pass PSSCR value and mask to power9_idle_stop 5)commit b48ff52043f489d594b989b318c120ca340a2e41, Documentation:powerpc: Add device-tree bindings for power-mgt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666197/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1666197] Re: POWER9 : Enable Stop 0-2 with ESL=EC=0
Breno - this looks like a really big patchset for Yakkety. 60 patches so far and it still isn't compiling. In file included from ubuntu-yakkety/arch/powerpc/lib/string.S:14:0: ./arch/powerpc/include/generated/asm/export.h:1:32: fatal error: asm-generic/export.h: No such file or directory #include -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1666197 Title: POWER9 : Enable Stop 0-2 with ESL=EC=0 Status in linux package in Ubuntu: Fix Released Status in linux source package in Zesty: Fix Released Bug description: In Linux 4.10-rc8, the implementation to enable the "stop" instruction has the following shortcomings: a) The code hand-codes the values for ESL, EC, TR, MTL bits of PSSCR and uses only the RL field from the firmware. While this is not incorrect, since the hand-coded values are legitimate, it is not a very flexible design since the firmware has the capability to communicate these values via the "ibm,cpu-idle-state-psscr" and "ibm,cpu-idle-state-psscr-mask" properties. In case where the firmware provides values for these fields that is different from the hand-coded values, the current code will not work as intended. b) Due to issue a), the current code assumes that ESL=EC=1 for all the stop states and hence the wakeup from the stop instruction will happen at 0x100, the system-reset vector which also results in GPR state loss. However, the ISA v3.0 allows the ESL=EC=0 behaviour where the corresponding stop-states lose no GPR state and wakes up from the subsequent instruction. The code in 4.10-rc8 doesn't support these light-weight stop modes. The following commits in the "next" branch of the powerpc-linux git tree (git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git) address these issues. These patches are needed in 17.04 to enable light-weight stop modes 1) commit 823b7bd5156a93872d9561b3f033dfe5cb80204e, powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro 2)commit dd34c74c97b6c3ed1ac7caec0b46267142659aff, powernv:stop: Rename pnv_arch300_idle_init to pnv_power9_idle_init 3)commit 9e9fc6f00a54f7064dc681ac187be6498d566a4f, cpuidle:powernv: Add helper function to populate powernv idle states 4)commit 09206b600c76f20984e80d99f3b5343c79332a97, powernv: Pass PSSCR value and mask to power9_idle_stop 5)commit b48ff52043f489d594b989b318c120ca340a2e41, Documentation:powerpc: Add device-tree bindings for power-mgt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666197/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1666197] Re: POWER9 : Enable Stop 0-2 with ESL=EC=0
Tim, we would like to target this bug for Yakkety also, please. Thanks, Breno -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1666197 Title: POWER9 : Enable Stop 0-2 with ESL=EC=0 Status in linux package in Ubuntu: Fix Released Status in linux source package in Zesty: Fix Released Bug description: In Linux 4.10-rc8, the implementation to enable the "stop" instruction has the following shortcomings: a) The code hand-codes the values for ESL, EC, TR, MTL bits of PSSCR and uses only the RL field from the firmware. While this is not incorrect, since the hand-coded values are legitimate, it is not a very flexible design since the firmware has the capability to communicate these values via the "ibm,cpu-idle-state-psscr" and "ibm,cpu-idle-state-psscr-mask" properties. In case where the firmware provides values for these fields that is different from the hand-coded values, the current code will not work as intended. b) Due to issue a), the current code assumes that ESL=EC=1 for all the stop states and hence the wakeup from the stop instruction will happen at 0x100, the system-reset vector which also results in GPR state loss. However, the ISA v3.0 allows the ESL=EC=0 behaviour where the corresponding stop-states lose no GPR state and wakes up from the subsequent instruction. The code in 4.10-rc8 doesn't support these light-weight stop modes. The following commits in the "next" branch of the powerpc-linux git tree (git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git) address these issues. These patches are needed in 17.04 to enable light-weight stop modes 1) commit 823b7bd5156a93872d9561b3f033dfe5cb80204e, powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro 2)commit dd34c74c97b6c3ed1ac7caec0b46267142659aff, powernv:stop: Rename pnv_arch300_idle_init to pnv_power9_idle_init 3)commit 9e9fc6f00a54f7064dc681ac187be6498d566a4f, cpuidle:powernv: Add helper function to populate powernv idle states 4)commit 09206b600c76f20984e80d99f3b5343c79332a97, powernv: Pass PSSCR value and mask to power9_idle_stop 5)commit b48ff52043f489d594b989b318c120ca340a2e41, Documentation:powerpc: Add device-tree bindings for power-mgt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666197/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
[Kernel-packages] [Bug 1666197] Re: POWER9 : Enable Stop 0-2 with ESL=EC=0
This bug was fixed in the package linux - 4.10.0-11.13 --- linux (4.10.0-11.13) zesty; urgency=low [ Tim Gardner ] * Release Tracking Bug - LP: #1669127 * linux-tools-common should Depends: lsb-release (LP: #1667571) - [Config] linux-tools-common depends on lsb-release * Ubuntu (Zesty): When we miss LSI/INTx interrupts on slot, message is too imprecise (LP: #1668382) - of/irq: improve error report on irq discovery process failure * Zesty update to v4.10.1 stable release (LP: #1668993) - ptr_ring: fix race conditions when resizing - ip: fix IP_CHECKSUM handling - net: socket: fix recvmmsg not returning error from sock_error - tty: serial: msm: Fix module autoload - USB: serial: mos7840: fix another NULL-deref at open - USB: serial: cp210x: add new IDs for GE Bx50v3 boards - USB: serial: ftdi_sio: fix modem-status error handling - USB: serial: ftdi_sio: fix extreme low-latency setting - USB: serial: ftdi_sio: fix line-status over-reporting - USB: serial: spcp8x5: fix modem-status handling - USB: serial: opticon: fix CTS retrieval at open - USB: serial: ark3116: fix register-accessor error handling - USB: serial: console: fix uninitialised spinlock - x86/platform/goldfish: Prevent unconditional loading - goldfish: Sanitize the broken interrupt handler - netfilter: nf_ct_helper: warn when not applying default helper assignment - ACPICA: Linuxize: Restore and fix Intel compiler build - block: fix double-free in the failure path of cgwb_bdi_init() - rtlwifi: rtl_usb: Fix for URB leaking when doing ifconfig up/down - xfs: clear delalloc and cache on buffered write failure - Linux 4.10.1 * [UBUNTU Zesty] mlx5 - Improve OVS offload driver (LP: #1668019) - net/sched: cls_flower: Disallow duplicate internal elements - net/sched: cls_flower: Properly handle classifier flags dumping - net/sched: cls_matchall: Dump the classifier flags - net/sched: Reflect HW offload status - net/sched: cls_flower: Reflect HW offload status - net/sched: cls_matchall: Reflect HW offloading status - net/sched: cls_u32: Reflect HW offload status - net/sched: cls_bpf: Reflect HW offload status - net/mlx5: Push min-inline mode resolution helper into the core - IB/mlx5: Enable Eth VFs to query their min-inline value for user-space - net/mlx5: Use exact encap header size for the FW input buffer - net/mlx5e: Add TC offloads matching on IPv6 encapsulation headers - net/mlx5e: TC ipv4 tunnel encap offload cosmetic changes - net/mlx5e: Use the full tunnel key info for encapsulation offload house- keeping - net/mlx5e: Maximize ip tunnel key usage on the TC offloading path - net/mlx5e: Support SRIOV TC encapsulation offloads for IPv6 tunnels - net/mlx5: E-Switch, Enlarge the FDB size for the switchdev mode - net/mlx5: Fix static checker warnings * [Hyper-V] Ubuntu 14.04.2 LTS Generation 2 SCSI Errors on VSS Based Backups (LP: #1470250) - SAUCE: Tools: hv: vss: Thaw the filesystem and continue after freeze fails * Ubuntu17.04: Need more patches for aacraid to bring up Boston System (LP: #1668726) - scsi: aacraid: Remove duplicate irq management code - scsi: aacraid: Added aacraid.h include guard - scsi: aacraid: added support for init_struct_8 - scsi: aacraid: Added sa firmware support - scsi: aacraid: Retrieve and update the device types - scsi: aacraid: Reworked scsi command submission path - scsi: aacraid: Process Error for response I/O - scsi: aacraid: Added support for response path - scsi: aacraid: Added support for read medium error - scsi: aacraid: Reworked aac_command_thread - scsi: aacraid: Added support for periodic wellness sync - scsi: aacraid: Retrieve Queue Depth from Adapter FW - scsi: aacraid: Added support to set QD of attached drives - scsi: aacraid: Added support for hotplug - scsi: aacraid: Include HBA direct interface - scsi: aacraid: Add task management functionality - scsi: aacraid: Added support to abort cmd and reset lun - scsi: aacraid: VPD 83 type3 support - scsi: aacraid: Added new IWBR reset - scsi: aacraid: Added ioctl to trigger IOP/IWBR reset - scsi: aacraid: Retrieve HBA host information ioctl - scsi: aacraid: Update copyrights - scsi: aacraid: Change Driver Version Prefix - scsi: aacraid: update version - scsi: aacraid: rcode is unsigned and should be signed int - scsi: aacraid: avoid open-coded upper_32_bits - scsi: aacraid: Fix camel case - scsi: aacraid: Use correct channel number for raw srb - scsi: aacraid: Fix for excessive prints on EEH - scsi: aacraid: Prevent E3 lockup when deleting units - scsi: aacraid: Fix memory leak in fib init path - scsi: aacraid: Added sysfs for driver version - scsi: aacraid: Fix sync fibs time out on controller reset - scsi:
[Kernel-packages] [Bug 1666197] Re: POWER9 : Enable Stop 0-2 with ESL=EC=0
** Also affects: linux (Ubuntu Zesty) Importance: Undecided Assignee: Taco Screen team (taco-screen-team) Status: New ** Changed in: linux (Ubuntu Zesty) Status: New => Fix Committed ** Changed in: linux (Ubuntu Zesty) Assignee: Taco Screen team (taco-screen-team) => Tim Gardner (timg-tpi) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1666197 Title: POWER9 : Enable Stop 0-2 with ESL=EC=0 Status in linux package in Ubuntu: Fix Committed Status in linux source package in Zesty: Fix Committed Bug description: In Linux 4.10-rc8, the implementation to enable the "stop" instruction has the following shortcomings: a) The code hand-codes the values for ESL, EC, TR, MTL bits of PSSCR and uses only the RL field from the firmware. While this is not incorrect, since the hand-coded values are legitimate, it is not a very flexible design since the firmware has the capability to communicate these values via the "ibm,cpu-idle-state-psscr" and "ibm,cpu-idle-state-psscr-mask" properties. In case where the firmware provides values for these fields that is different from the hand-coded values, the current code will not work as intended. b) Due to issue a), the current code assumes that ESL=EC=1 for all the stop states and hence the wakeup from the stop instruction will happen at 0x100, the system-reset vector which also results in GPR state loss. However, the ISA v3.0 allows the ESL=EC=0 behaviour where the corresponding stop-states lose no GPR state and wakes up from the subsequent instruction. The code in 4.10-rc8 doesn't support these light-weight stop modes. The following commits in the "next" branch of the powerpc-linux git tree (git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git) address these issues. These patches are needed in 17.04 to enable light-weight stop modes 1) commit 823b7bd5156a93872d9561b3f033dfe5cb80204e, powernv:idle: Add IDLE_STATE_ENTER_SEQ_NORET macro 2)commit dd34c74c97b6c3ed1ac7caec0b46267142659aff, powernv:stop: Rename pnv_arch300_idle_init to pnv_power9_idle_init 3)commit 9e9fc6f00a54f7064dc681ac187be6498d566a4f, cpuidle:powernv: Add helper function to populate powernv idle states 4)commit 09206b600c76f20984e80d99f3b5343c79332a97, powernv: Pass PSSCR value and mask to power9_idle_stop 5)commit b48ff52043f489d594b989b318c120ca340a2e41, Documentation:powerpc: Add device-tree bindings for power-mgt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666197/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
