Re: [PATCH] perf/probe: Search both .eh_frame and .debug_frame sections for probe location

Hi Hemant, On Thu, 2015-09-24 at 07:46 +0530, Hemant Kumar wrote: > perf probe through debuginfo__find_probes() in util/probe-finder.c > checks for the functions' frame descriptions in either .eh_frame section > of an ELF or the .debug_frame. The check is based on whether either one > of these

Re: [PATCH] powerpc/vdso: Avoid link stack corruption in __get_datapage()

On 9/24/15, Michael Ellerman wrote: > > > On 23 September 2015 16:05:02 GMT+10:00, Michael Neuling > wrote: >>The 32 and 64 bit variants of __get_datapage() use a "bcl; mflr" to >>determine the loaded address of the VDSO. The current version of these

Re: [PATCH v2] video: fbdev: fsl: Fix the sleep function for FSL DIU module

On 24/09/15 13:02, Wang Dongsheng wrote: > Hi Tomi, > > Could you apply this patch? > >>> For deep sleep, the diu module will power off, when wake up from the >>> deep sleep, the registers need to be reinitialized. >>> >>> Signed-off-by: Jason Jin >>> Signed-off-by:

Re: [PATCH] perf/probe: Search both .eh_frame and .debug_frame sections for probe location

On Thu, 2015-09-24 at 10:56 +, 平松雅巳 / HIRAMATU，MASAMI wrote: > >I am not too familiar with the code so there might be a reason for > >setting and reusing the pf->cfi to do the search twice. But might it not > >be more clear to just store both pf->cfi_eh and pf->cfi_debug and then > >check both

RE: [PATCH] perf/probe: Search both .eh_frame and .debug_frame sections for probe location

From: Mark Wielaard [mailto:m...@redhat.com] > >Hi Hemant, > >On Thu, 2015-09-24 at 07:46 +0530, Hemant Kumar wrote: >> perf probe through debuginfo__find_probes() in util/probe-finder.c >> checks for the functions' frame descriptions in either .eh_frame section >> of an ELF or the .debug_frame.

RE: [PATCH v2] video: fbdev: fsl: Fix the sleep function for FSL DIU module

Hi Tomi, Could you apply this patch? > > For deep sleep, the diu module will power off, when wake up from the > > deep sleep, the registers need to be reinitialized. > > > > Signed-off-by: Jason Jin > > Signed-off-by: Wang Dongsheng > >

RE: [PATCH v2 08/25] powerpc/8xx: Map IMMR area with 512k page at a fixed address

From: Christophe Leroy > Sent: 22 September 2015 17:51 ... > Traditionaly, each driver manages one computer board which has its > own components with its own memory maps. > But on embedded chips like the MPC8xx, the SOC has all registers > located in the same IO area. > > When looking at ioremaps

[PATCH v3 2/2] arm/layerscape: add RCPM device tree support for ls1021a.

From: Wang Dongsheng Signed-off-by: Wang Dongsheng --- *v3*: Add "fsl,#rcpm-wakeup-cells" for rcpm node. *v2*: No changes. diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi index 973a496..ac5f9a2 100644 ---

[PATCH 1/1] powerpc: Individual System V IPC system calls

This patch provides individual system call numbers for the following System V IPC system calls, on PowerPC, so that they do not need to be multiplexed: * semop, semget, semctl, semtimedop * msgsnd, msgrcv, msgget, msgctl * shmat, shmdt, shmget, shmctl Signed-off-by: Sam Bobroff

[PATCH v3 1/2] fsl: Add binding for RCPM

From: Wang Dongsheng RCPM is the Run Control and Power Management module performs all device-level tasks associated with device run control and power management. Add this for freescale powerpc platform and layerscape platform. Signed-off-by: Chenhui Zhao

[v5, 0/6] Freescale DPAA FMan

From: Igal Liberman The Freescale Data Path Acceleration Architecture (DPAA) is a set of hardware components on specific QorIQ multicore processors. This architecture provides the infrastructure to support simplified sharing of networking interfaces and accelerators

Re: [PATCH v3 1/2] fsl: Add binding for RCPM

On Thu, Sep 24, 2015 at 04:29:13PM +0800, Dongsheng Wang wrote: > From: Wang Dongsheng > > RCPM is the Run Control and Power Management module performs all > device-level tasks associated with device run control and power > management. > > Add this for freescale

[v5, 4/6] fsl/fman: Add FMan SP support

From: Igal Liberman The Storage Profiles contain parameters that are used by the FMan for frame reception and transmission. Signed-off-by: Igal Liberman --- drivers/net/ethernet/freescale/fman/Makefile |2 +-

[v5, 1/6] fsl/fman: Add FMan MURAM support

From: Igal Liberman Add Frame Manager Multi-User RAM support. This internal FMan memory block is used by the FMan hardware modules, the management being made through the generic allocator. The FMan Internal memory, for example, is used for allocating transmit and

[v5, 6/6] fsl/fman: Add FMan MAC driver

From: Igal Liberman This patch adds the Ethernet MAC driver supporting the three different types of MACs: dTSEC, tGEC and mEMAC. Signed-off-by: Igal Liberman --- drivers/net/ethernet/freescale/fman/Makefile |3 +-

[v5, 5/6] fsl/fman: Add FMan Port Support

From: Igal Liberman Add the Data Path Acceleration Architecture Frame Manger Port Driver. The FMan driver uses a module called "Port" to represent the physical TX and RX ports. Each FMan version has different number of physical ports. This patch adds The FMan Port

[v5, 2/6] fsl/fman: Add FMan support

From: Igal Liberman Add the Data Path Acceleration Architecture Frame Manger Driver. The FMan embeds a series of hardware blocks that implement a group of Ethernet interfaces. This patch adds The FMan configuration, initialization and runtime control routines. The

[PATCH 15/19] KVM: PPC: e500: fix handling local_sid_lookup result

The function can return negative value. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda --- Hi, To avoid

[v3 8/8] dpaa_eth: add trace points

Add trace points on the hot processing path. Signed-off-by: Ruxandra Ioana Radulescu --- drivers/net/ethernet/freescale/dpaa/Makefile | 1 + drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 12 ++ drivers/net/ethernet/freescale/dpaa/dpaa_eth.h

[v3 7/8] dpaa_eth: add sysfs exports

Export Frame Queue and Buffer Pool IDs through sysfs. Signed-off-by: Madalin Bucur --- drivers/net/ethernet/freescale/dpaa/Makefile | 2 +- drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2 + drivers/net/ethernet/freescale/dpaa/dpaa_eth.h | 3 +

[v3 1/8] devres: add devm_alloc_percpu()

Introduce managed counterparts for alloc_percpu() and free_percpu(). Add devm_alloc_percpu() and devm_free_percpu() into the managed interfaces list. Signed-off-by: Madalin Bucur Tested-by: Madalin-Cristian Bucur ---

Re: [PATCH v2 0/9] Phy, mdiobus, and netdev struct device fixes

On Wed, Sep 23, 2015 at 04:24:17PM -0700, David Miller wrote: > From: Russell King - ARM Linux > Date: Tue, 22 Sep 2015 17:17:10 +0100 > > > This is the second version of the series, with the comments David had > > on the first patch fixed up. Original series description

[v3 0/8] dpaa_eth: Add the Freescale DPAA Ethernet driver

This patch series adds the Ethernet driver for the Freescale QorIQ Data Path Acceleration Architecture (DPAA). This version includes changes following the feedback received on previous versions from Eric Dumazet, Bob Cochran, Joe Perches, Paul Bolle, Joakim Tjernlund, Scott Wood - thank you for

[v3 2/8] dpaa_eth: add support for DPAA Ethernet

This introduces the Freescale Data Path Acceleration Architecture (DPAA) Ethernet driver (dpaa_eth) that builds upon the DPAA QMan, BMan, PAMU and FMan drivers to deliver Ethernet connectivity on the Freescale DPAA QorIQ platforms. Signed-off-by: Madalin Bucur ---

[v3 3/8] dpaa_eth: add support for S/G frames

Add support for Scater/Gather (S/G) frames. The FMan can place the frame content into multiple buffers and provide a S/G Table (SGT) into one first buffer with references to the others. Signed-off-by: Madalin Bucur --- drivers/net/ethernet/freescale/dpaa/dpaa_eth.c

[v3 4/8] dpaa_eth: add driver's Tx queue selection mechanism

Allow the selection of the transmission queue based on the CPU id. Signed-off-by: Madalin Bucur --- drivers/net/ethernet/freescale/dpaa/Kconfig | 10 ++ drivers/net/ethernet/freescale/dpaa/dpaa_eth.c| 3 +++

[v3 5/8] dpaa_eth: add ethtool functionality

Add support for basic ethtool operations. Signed-off-by: Madalin Bucur --- drivers/net/ethernet/freescale/dpaa/Makefile | 2 +- .../net/ethernet/freescale/dpaa/dpaa_eth_common.c | 2 + .../net/ethernet/freescale/dpaa/dpaa_eth_common.h | 3 +

[v3 6/8] dpaa_eth: add ethtool statistics

Add a series of counters to be exported through ethtool: - add detailed counters for reception errors; - add detailed counters for QMan enqueue reject events; - count the number of fragmented skbs received from the stack; - count all frames received on the Tx confirmation path; - add congestion

[PATCH v7 1/4] perf, kvm/{x86, s390}: Remove dependency on uapi/kvm_perf.h

Its better to remove the dependency on uapi/kvm_perf.h to allow dynamic discovery of kvm events (if its needed). To do this, some extern variables have been introduced with which we can keep the generic functions generic. Signed-off-by: Hemant Kumar ---

[PATCH v3 00/32] cxlflash: Miscellaneous bug fixes and corrections

This patch set contains various fixes and corrections for issues that were found during test and code review. The series is based upon the code upstreamed in 4.3 and is intended for the rc phase. The entire set is bisectable. Please reference the changelog below for details on what has been

[PATCH v3 01/32] cxlflash: Fix to avoid invalid port_sel value

From: Manoj Kumar If two concurrent MANAGE_LUN ioctls are issued with the same WWID parameter, it would result in an incorrect value of port_sel. This is because port_sel is modified without any locks being held. If the first caller stalls after the return from

[PATCH v3 07/32] cxlflash: Fix context encode mask width

The context encode mask covers more than 32-bits, making it a long integer. This should be noted by appending the ULL width suffix to the mask. Signed-off-by: Matthew R. Ochs Signed-off-by: Manoj N. Kumar Reviewed-by: Brian King

[PATCH v7 2/4] perf,kvm/{x86,s390}: Remove const from kvm_events_tp

This patch removes the "const" qualifier from kvm_events_tp declaration to account for the fact that powerpc will need to update this variable dynamically depending on the machine type. Signed-off-by: Hemant Kumar --- tools/perf/arch/s390/util/kvm-stat.c | 2 +-

[PATCH RESEND v3 7/9] phy: fixed-phy: properly validate phy in fixed_phy_update_state()

Validate that the phy_device passed into fixed_phy_update_state() is a fixed-phy device before walking the list of phys for a fixed phy at the same address. Signed-off-by: Russell King --- drivers/net/phy/fixed_phy.c | 2 +- 1 file changed, 1 insertion(+), 1

[PATCH v3 15/32] cxlflash: Fix host link up event handling

Following a link up event, the LUNs available to the host may have changed. Without rescanning the host, the LUN topology is unknown to the user. In such a state, the user would be unable to locate provisioned resources. To remedy, the host should be rescanned after a link up event.

[PATCH v3 16/32] cxlflash: Fix async interrupt bypass logic

A bug was introduced earlier in the development cycle when cleaning up logic statements. Instead of skipping bits that are not set, set bits are skipped, causing async interrupts to not be handled correctly. To fix, simply add back in the proper evaluation for an unset bit. Signed-off-by:

[PATCH v3 0/9] Phy, mdiobus, and netdev struct device fixes

Hi, The third version of this series fixes the build error which David identified, and drops the broken changes for the Cavium Thunger BGX ethernet driver as this driver requires some complex changes to resolve the leakage - and this is best done by people who can test the driver. Compared to

[PATCH RESEND v3 2/9] net: dsa: fix of_mdio_find_bus() device refcount leak

Current users of of_mdio_find_bus() leak a struct device refcount, as they fail to clean up the reference obtained inside class_find_device(). Fix the DSA code to properly refcount the returned MDIO bus by: 1. taking a reference on the struct device whenever we assign it to

[PATCH RESEND v3 5/9] of_mdio: fix MDIO phy device refcounting

bus_find_device() is defined as: * This is similar to the bus_for_each_dev() function above, but it * returns a reference to a device that is 'found' for later use, as * determined by the @match callback. and it does indeed return a reference-counted pointer to the device: while

[PATCH v3 03/32] cxlflash: Fix read capacity timeout

From: Manoj Kumar The timeout value for read capacity is too small. Certain devices may take longer to respond and thus the command may prematurely timeout. Additionally the literal used for the timeout is stale. Update the timeout to 30 seconds (matches the value used in

[PATCH v3 04/32] cxlflash: Fix potential oops following LUN removal

When a LUN is removed, the sdev that is associated with the LUN remains intact until its reference count drops to 0. In order to prevent an sdev from being removed while a context is still associated with it, obtain an additional reference per-context for each LUN attached to the context. This

[PATCH v3 02/32] cxlflash: Replace magic numbers with literals

From: Manoj Kumar Magic numbers are not meaningful and can create confusion. As a remedy, replace them with descriptive literals. Replace 512 with literal MAX_SECTOR_UNIT. Replace 5 with literal CMD_RETRIES. Signed-off-by: Matthew R. Ochs

[PATCH v3 18/32] cxlflash: Fix AFU version access/storage and add check

The AFU version is stored as a non-terminated string of bytes within a 64-bit little-endian register. Presently the value is read directly (no MMIO accessor) and is stored in a buffer that is not big enough to contain a NULL terminator. Additionally the version obtained is not evaluated against a

[PATCH v3 1/3] powerpc/512x: add LocalPlus Bus FIFO device driver

This driver for Freescale MPC512x LocalPlus Bus FIFO (called SCLPC in the Reference Manual) allows Direct Memory Access transfers between RAM and peripheral devices on LocalPlus Bus. Signed-off-by: Alexander Popov --- arch/powerpc/configs/mpc512x_defconfig| 1 +

[PATCH] perf: Fix build break on powerpc due to sample_reg_masks

From d1171a4c34c6100ec8b663ddb803dd69ef3fb7ce Mon Sep 17 00:00:00 2001 From: Sukadev Bhattiprolu Date: Thu, 24 Sep 2015 17:53:49 -0400 Subject: [PATCH] perf: Fix build break on powerpc due to sample_reg_masks perf_regs.c does not get built on Powerpc as

[PATCH RESEND v3 1/9] phy: fix of_mdio_find_bus() device refcount leak

of_mdio_find_bus() leaks a struct device refcount, caused by using class_find_device() and not realising that the device reference has its refcount incremented: * Note, you will need to drop the reference with put_device() after use. ... while ((dev = class_dev_iter_next())) {

[PATCH RESEND v3 8/9] phy: add phy_device_remove()

Add a phy_device_remove() function to complement phy_device_register(), which undoes the effects of phy_device_register() by removing the phy device from visibility, but not freeing it. This allows these details to be moved out of the mdio bus code into the phy code where this action belongs.

[PATCH v3 08/32] cxlflash: Fix to avoid CXL services during EEH

During an EEH freeze event, certain CXL services should not be called until after the hardware reset has taken place. Doing so can result in unnecessary failures and possibly cause other ill effects by triggering hardware accesses. This translates to a requirement to quiesce all threads that may

[PATCH v3 14/32] cxlflash: Fix location of setting resid

The resid is incorrectly set which can lead to unnecessary retry attempts by the stack. This is due to resid _always_ being set using a value returned from the adapter. Instead, the value should only be interpreted and set when in an underrun scenario. Signed-off-by: Matthew R. Ochs

[PATCH RESEND v3 9/9] net: fix net_device refcounting

of_find_net_device_by_node() uses class_find_device() internally to lookup the corresponding network device. class_find_device() returns a reference to the embedded struct device, with its refcount incremented. Add a comment to the definition in net/core/net-sysfs.c indicating the need to drop

[PATCH v3 0/3] powerpc/512x: add LocalPlus Bus FIFO device driver

This driver for Freescale MPC512x LocalPlus Bus FIFO (called SCLPC in the Reference Manual) allows Direct Memory Access transfers between RAM and peripheral devices on LocalPlus Bus. Changes in v3: - resource usage in probe() is fixed; - driver methods are made safe against remove(); -

[PATCH 6/9] net: fix phy refcounting in a bunch of drivers

of_phy_find_device() increments the phy struct device refcount, which we need to properly balance. Add code to network drivers using this function to ensure that the struct device refcount is correctly balanced. For xgene, looking back in the history, we should be able to use of_phy_connect()

Re: [PATCH v3 1/2] fsl: Add binding for RCPM

On Thu, 2015-09-24 at 16:29 +0800, Dongsheng Wang wrote: > +* Freescale RCPM Wakeup Source Device Tree Bindings > +--- > +Required rcpm-wakeup property should be added to a device node if the > device > +can be used as a wakeup source. > + > + -

[PATCH v3 05/32] cxlflash: Fix data corruption when vLUN used over multiple cards

If the same virtual LUN is accessed over multiple cards, only accesses made over the first card will be valid. Accesses made over the second card will go to the wrong LUN causing data corruption. This is because the global LUN's mode word was being used to determine whether the LUN table for that

[PATCH v3 09/32] cxlflash: Correct naming of limbo state and waitq

Limbo is not an accurate representation of this state and is also not consistent with the terminology that other drivers use to represent this concept. Rename the state and and its associated waitq to 'reset'. Signed-off-by: Matthew R. Ochs Signed-off-by: Manoj N.

[PATCH v3 13/32] cxlflash: Fix to avoid stall while waiting on TMF

Borrowing the TMF waitq's spinlock causes a stall condition when waiting for the TMF to complete. To remedy, introduce our own spin lock to serialize TMF and use the appropriate wait services. Also add a timeout while waiting for a TMF completion. When a TMF times out, report back a failure such

[PATCH v7 3/4] perf,kvm/powerpc: Port perf kvm stat to powerpc

perf kvm can be used to analyze guest exit reasons. This support already exists in x86. Hence, porting it to powerpc. - To trace KVM events : perf kvm stat record If many guests are running, we can track for a specific guest by using --pid as in : perf kvm stat record --pid - To see the

[PATCH RESEND v3 4/9] phy: add proper phy struct device refcounting

Take a refcount on the phy struct device when the phy device is attached to a network device, and drop it after it's detached. This ensures that a refcount is held on the phy device while the device is being used by a network device, thereby preventing the phy_device from being unexpectedly

[PATCH RESEND v3 6/9] net: fix phy refcounting in a bunch of drivers

of_phy_find_device() increments the phy struct device refcount, which we need to properly balance. Add code to network drivers using this function to ensure that the struct device refcount is correctly balanced. For xgene, looking back in the history, we should be able to use of_phy_connect()

[PATCH v3 12/32] cxlflash: Fix to avoid spamming the kernel log

During run-time the driver can be very chatty and spam the system kernel log. Various print statements can be limited and/or moved to development-only mode. Additionally, numerous prints can be converted to trace the corresponding device. The following changes were made: - pr_debug to pr_devel

[PATCH v3 2/3] powerpc/512x: add a device tree binding for LocalPlus Bus FIFO

Add a device tree binding for Freescale MPC512x LocalPlus Bus FIFO and introduce the document describing that binding. Signed-off-by: Alexander Popov --- .../bindings/powerpc/fsl/mpc512x_lpbfifo.txt| 21 + arch/powerpc/boot/dts/mpc5121.dtsi

[PATCH RESEND v3 3/9] phy: fix mdiobus module safety

Re-implement the mdiobus module refcounting to ensure that we actually ensure that the mdiobus module code does not go away while we might call into it. The old scheme using bus->dev.driver was buggy, because bus->dev is a class device which never has a struct device_driver associated with it,

[PATCH v3 10/32] cxlflash: Make functions static

Found during code inspection, that the following functions are not being used outside of the file where they are defined. Make them static. int cxlflash_send_cmd(struct afu *, struct afu_cmd *); void cxlflash_wait_resp(struct afu *, struct afu_cmd *); int cxlflash_afu_reset(struct cxlflash_cfg

[PATCH v3 22/32] cxlflash: Remove unnecessary scsi_block_requests

The host reset handler is called with I/O already blocked, thus there is no need to explicitly block and unblock I/O in the handler. Signed-off-by: Matthew R. Ochs Signed-off-by: Manoj N. Kumar Reviewed-by: Brian King

[PATCH v3 29/32] MAINTAINERS: Add cxlflash driver

Add stanza for cxlflash SCSI driver. Signed-off-by: Matthew R. Ochs Signed-off-by: Manoj N. Kumar Reviewed-by: Brian King --- MAINTAINERS | 9 + 1 file changed, 9 insertions(+) diff --git a/MAINTAINERS

Re: [PATCH v3 0/9] Phy, mdiobus, and netdev struct device fixes

> Thanks for testing. Please could you confirm whether the same behaviour > is observed without the patches, just to make absolutely sure that isn't > a regression. So i tested this now. I have two FEC interfaces. One i my main access interface, and the second is used by DSA to access switches.

[PATCH v3 24/32] cxlflash: Fix MMIO and endianness errors

Sparse uncovered several errors with MMIO operations (accessing directly) and handling endianness. These can cause issues when running in different environments. Introduce __iomem and proper endianness tags/swaps where appropriate to make driver sparse clean. Signed-off-by: Matthew R. Ochs

[PATCH v3 31/32] cxlflash: Fix to avoid corrupting adapter fops

The fops owned by the adapter can be corrupted in certain scenarios, opening a window where certain fops are temporarily NULLed before being reset to their proper value. This can potentially lead software to make incorrect decisions, leaving the user with the inability to function as intended. An

Re: [PATCH] powerpc/e6500: add TMCFG0 register definition

On Wed, 2015-09-23 at 18:06 +0300, Laurentiu Tudor wrote: > The register is not currently used in the base kernel > but will be in a forthcoming kvm patch. > > Signed-off-by: Laurentiu Tudor > --- > arch/powerpc/include/asm/reg_booke.h | 6 ++ > 1 file

Re: [PATCH v3 0/9] Phy, mdiobus, and netdev struct device fixes

On Thu, Sep 24, 2015 at 03:51:37PM -0700, David Miller wrote: > From: Andrew Lunn > Date: Fri, 25 Sep 2015 00:26:54 +0200 > > > On Thu, Sep 24, 2015 at 03:15:54PM -0700, David Miller wrote: > >> From: Andrew Lunn > >> Date: Thu, 24 Sep 2015 23:57:31 +0200 > >> >

[PATCH v3 23/32] cxlflash: Fix function prolog parameters and return codes

Several function prologs have incorrect parameter names and return code descriptions. This can lead to confusion when reviewing the source and creates inaccurate documentation. To remedy, update the function prologs to properly reflect parameter names and return codes. Signed-off-by: Matthew R.

[PATCH v3 27/32] cxlflash: Fix to prevent stale AFU RRQ

Following an adapter reset, the AFU RRQ that resides in host memory holds stale data. This can lead to a condition where the RRQ interrupt handler tries to process stale entries and/or endlessly loops due to an out of sync generation bit. To fix, the AFU RRQ in host memory needs to be cleared

Re: [PATCH v3 11/32] cxlflash: Refine host/device attributes

Somehow the Suggested-by tag was dropped from this one. Adding it back. -matt > On Sep 24, 2015, at 2:39 PM, Matthew R. Ochs > wrote: > > Implement the following suggestions and add two new attributes > to allow for debugging the port LUN table. > > - use

[PATCH v3 32/32] cxlflash: Correct trace string

The trace following the failure of alloc_mem() incorrectly identifies which function failed. This can lead to misdiagnosing a failure. Fix the string to correctly indicate that alloc_mem() failed. Reported-by: Brian King Signed-off-by: Matthew R. Ochs

Re: [PATCH V3] thermal: qoriq: Add thermal management support

On Wed, 2015-09-23 at 16:28 +0800, Jia Hongtao wrote: > This driver add thermal management support by enabling TMU (Thermal > Monitoring Unit) on QorIQ platform. > > It's based on thermal of framework: > - Trip points defined in device tree. > - Cpufreq as cooling device registered in qoriq

Re: [PATCH v2 08/25] powerpc/8xx: Map IMMR area with 512k page at a fixed address

On Thu, 2015-09-24 at 11:41 +, David Laight wrote: > From: Christophe Leroy > > Sent: 22 September 2015 17:51 > ... > > Traditionaly, each driver manages one computer board which has its > > own components with its own memory maps. > > But on embedded chips like the MPC8xx, the SOC has all

Re: [PATCH v3 0/9] Phy, mdiobus, and netdev struct device fixes

... > While looking at the DSA code, I noticed we have a > of_find_net_device_by_node(), and it looks like users of that are > similarly buggy - it looks like net/dsa/dsa.c is the only user. Fix > that too. ... > The mdiobus code also suffered from the same kind of leak, but thankfully > this

Re: [PATCH v10 3/5] CPM/QE: use genalloc to manage CPM/QE muram

On Wed, 2015-09-23 at 00:28 -0500, Zhao Qiang-B45475 wrote: > On Wen, Sep 23, 2015 at 12:03 AM +0800, Wood Scott-B07421 wrote: > > > -Original Message- > > From: Wood Scott-B07421 > > Sent: Wednesday, September 23, 2015 12:03 PM > > To: Zhao Qiang-B45475 > > Cc:

Re: [PATCH v3 0/9] Phy, mdiobus, and netdev struct device fixes

From: Andrew Lunn Date: Thu, 24 Sep 2015 23:57:31 +0200 > I built the FEC driver as a module, and it won't unload: > > kernel:unregister_netdevice: waiting for eth1 to become free. Usage count = 1 > unregister_netdevice: waiting for eth1 to become free. Usage count = 1 > > i

[PATCH v3 20/32] cxlflash: Fix to prevent workq from accessing freed memory

The workq can process work in parallel with a remove event, leading to a condition where the workq handler can access freed memory. To remedy, the workq should be terminated prior to freeing memory. Move the termination call earlier in remove and use cancel_work_sync() instead of flush_work() as

[PATCH v3 21/32] cxlflash: Correct behavior in device reset handler following EEH

When the device reset handler is entered while a reset operation is taking place, the handler exits without actually sending a reset (TMF) to the targeted device. This behavior is incorrect as the device is not reset. Further complicating matters is the fact that a success is returned even when

[PATCH v3 19/32] cxlflash: Correct usage of scsi_host_put()

Currently, scsi_host_put() is being called prematurely in the remove path and is missing entirely in an error cleanup path. The former can lead to memory being freed too early with subsequent access potentially corrupting data whilst the former would result in a memory leak. Move the usage on

[PATCH v3 28/32] cxlflash: Fix to avoid state change collision

The adapter state machine is susceptible to missing and/or corrupting state updates at runtime. This can lead to a variety of unintended issues and is due to the lack of a serialization mechanism to protect the adapter state. Use an adapter-wide mutex to serialize state changes. Signed-off-by:

[PATCH v3 30/32] cxlflash: Fix to double the delay each time

From: Manoj Kumar The operator used to double the delay is incorrect and does not result in delay doubling. To fix, use a left shift instead of the XOR operator. Reported-by: Tomas Henzl Signed-off-by: Matthew R. Ochs

Re: [PATCH v3 0/9] Phy, mdiobus, and netdev struct device fixes

On Thu, Sep 24, 2015 at 03:15:54PM -0700, David Miller wrote: > From: Andrew Lunn > Date: Thu, 24 Sep 2015 23:57:31 +0200 > > > I built the FEC driver as a module, and it won't unload: > > > > kernel:unregister_netdevice: waiting for eth1 to become free. Usage count > > = 1 >

Re: [PATCH 15/19] KVM: PPC: e500: fix handling local_sid_lookup result

On Thu, 2015-09-24 at 16:00 +0200, Andrzej Hajda wrote: > The function can return negative value. > > The problem has been detected using proposed semantic patch > scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. > > [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 > >

Re: [PATCH v3 0/9] Phy, mdiobus, and netdev struct device fixes

On Fri, Sep 25, 2015 at 12:50:33AM +0200, Andrew Lunn wrote: > > Thanks for testing. Please could you confirm whether the same behaviour > > is observed without the patches, just to make absolutely sure that isn't > > a regression. > > So i tested this now. > > I have two FEC interfaces. One i

Re: cxl: Fix lockdep warning while creating afu_err_buff attribute

On Wed, 2015-23-09 at 03:07:59 UTC, Vaibhav Jain wrote: > Presently a lockdep warning is reported during creation of afu_err_buff > bin_attribute for the afu. This is caused due to the variable attr.key > not pointing to a static class key, hence the function lockdep_init_map > reports this

RE: [PATCH v3 1/2] fsl: Add binding for RCPM

> > +* Freescale RCPM Wakeup Source Device Tree Bindings > > +--- > > +Required rcpm-wakeup property should be added to a device node if the > > device > > +can be used as a wakeup source. > > + > > + - rcpm-wakeup: The value of the property consists of

Re: [PATCH v3 1/2] fsl: Add binding for RCPM

On Thu, 2015-09-24 at 21:38 -0500, Wang Dongsheng-B40534 wrote: > > > +* Freescale RCPM Wakeup Source Device Tree Bindings > > > +--- > > > +Required rcpm-wakeup property should be added to a device node if the > > > device > > > +can be used as a wakeup

[PATCH v2 0/2] powerpc: powerpc/vdso: Avoid link stack corruption in __get_datapage()

This patch fixes a link stack corruption issue in the VDOS get_datapage() code and adds a benchmark to test it in future. v2: - Split benchmark out of commit message and put in selftests. - Upgrade commit message to essay. ___ Linuxppc-dev mailing

[PATCH v2 1/2] powerpc/selftest: Add gettimeofday() benchmark

This adds a benchmark directory to the powerpc selftests and adds a gettimeofday() benchmark to it. Suggested-by: Michael Ellerman Signed-off-by: Michael Neuling --- tools/testing/selftests/powerpc/Makefile | 2 +-

[PATCH v2 2/2] powerpc/vdso: Avoid link stack corruption in __get_datapage()

powerpc has a link register (lr) used for calling functions. We "bl " to call a function, and "blr" to return back to the call site. The lr is only a single register, so if we call another function from inside this function (ie. nested calls), software must save away the lr on the software stack

Re: [PATCH 1/1] powerpc: Individual System V IPC system calls

On Thu, 2015-09-24 at 15:39 +1000, Sam Bobroff wrote: > This patch provides individual system call numbers for the following > System V IPC system calls, on PowerPC, so that they do not need to be > multiplexed: > * semop, semget, semctl, semtimedop > * msgsnd, msgrcv, msgget, msgctl > * shmat,

Re: [PATCH v3 0/9] Phy, mdiobus, and netdev struct device fixes

On 24/09/15 12:17, Russell King - ARM Linux wrote: > Hi, > > The third version of this series fixes the build error which David > identified, and drops the broken changes for the Cavium Thunger BGX > ethernet driver as this driver requires some complex changes to > resolve the leakage - and this

[PATCH] powerpc/ps3: Remove unused os_area_db_id_video_mode

This struct is unused, which is now a build error with gcc 6: error: 'os_area_db_id_video_mode' defined but not used There doesn't seem to be any good reason to keep it around so remove it, it's in the history if anyone needs it. Signed-off-by: Michael Ellerman ---

RE: [PATCH v3 1/2] fsl: Add binding for RCPM

Hi Shawn, Thanks for your review. > > From: Wang Dongsheng > > > > RCPM is the Run Control and Power Management module performs all > > device-level tasks associated with device run control and power > > management. > > > > Add this for freescale powerpc platform

Re: [PATCH] powerpc/vdso: Avoid link stack corruption in __get_datapage()

On Thu, 2015-09-24 at 13:10 +0300, Denis Kirjanov wrote: > On 9/24/15, Michael Ellerman wrote: > > On 23 September 2015 16:05:02 GMT+10:00, Michael Neuling > > wrote: > >> > >>Testcase tb.c (stolen from Anton) > >> /* gcc -O2 tb.c -o tb */ > >>

Re: [PATCH v3 2/3] powerpc/512x: add a device tree binding for LocalPlus Bus FIFO

Alexander Popov wrote: +- dma-names: should be "rx-tx"; Why bother, if it can only be one value? ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev

Re: [PATCH v3 04/32] cxlflash: Fix potential oops following LUN removal

Reviewed-by: Brian King -- Brian King Power Linux I/O IBM Linux Technology Center ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev

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