Mathieu Desnoyers writes:
> From: Boqun Feng
>
> Syscalls are not allowed inside restartable sequences, so add a call to
> rseq_syscall() at the very beginning of system call exiting path for
> CONFIG_DEBUG_RSEQ=y kernel. This could help us to detect whether there
> is a syscall issued inside
Mathieu Desnoyers writes:
> From: Boqun Feng
>
> Wire up the rseq system call on powerpc.
>
> This provides an ABI improving the speed of a user-space getcpu
> operation on powerpc by skipping the getcpu system call on the fast
> path, as well as improving the speed of user-space operations on
On Tue, Jun 05, 2018 at 09:26:56AM +1000, Benjamin Herrenschmidt wrote:
> Sorry Michael, that doesn't click. Yes of course virtio is implemented
> in qemu, but the problem we are trying to solve is *not* a qemu problem
> (the fact that the Linux drivers bypass the DMA API is wrong, needs
> fixing,
Hi Michael,
On Tue, Jun 05, 2018 at 12:16:22PM +1000, Michael Ellerman wrote:
> Hi Simon,
>
> wei.guo.si...@gmail.com writes:
> > From: Simon Guo
> >
> > There is some room to optimize memcmp() in powerpc 64 bits version for
> > following 2 cases:
> > (1) Even src/dst addresses are not aligned
Michael Ellerman writes:
> "Gautham R. Shenoy" writes:
>
>> From: "Gautham R. Shenoy"
>>
>> The commit 78eaa10f027c ("cpuidle: powernv/pseries: Auto-promotion of
>> snooze to deeper idle state") introduced a timeout for the snooze idle
>> state so that it could be eventually be promoted to a
Hi Richard,
> -Original Message-
> From: Richard Cochran [mailto:richardcoch...@gmail.com]
> Sent: Monday, June 4, 2018 9:49 PM
> To: Y.b. Lu
> Cc: net...@vger.kernel.org; Madalin-cristian Bucur
> ; Rob Herring ; Shawn Guo
> ; David S . Miller ;
> devicet...@vger.kernel.org;
Hi Simon,
wei.guo.si...@gmail.com writes:
> From: Simon Guo
>
> There is some room to optimize memcmp() in powerpc 64 bits version for
> following 2 cases:
> (1) Even src/dst addresses are not aligned with 8 bytes at the beginning,
> memcmp() can align them and go with .Llong comparision mode
Applications need the ability to associate an address-range with some
key and latter revert to its initial default key. Pkey-0 comes close to
providing this function but falls short, because the current
implementation disallows applications to explicitly associate pkey-0 to
the address range.
execute-only key is allocated dynamically. This is a problem. When a
thread implicitly creates a execute-only key, and resets UAMOR for that
key, the UAMOR value does not percolate to all the other threads. Any
other thread may ignorantly change the permissions on the key. This can
cause the
Total number of pkeys calculation is off by 1. Fix it.
CC: Florian Weimer
CC: Michael Ellerman
CC: Thiago Jung Bauermann
Signed-off-by: Ram Pai
---
arch/powerpc/mm/pkeys.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/mm/pkeys.c
In a multithreaded application, a key allocated by one thread must
be activate and usable on all threads.
Currently this is not the case, because the UAMOR bits for all keys are
disabled by default. When a new key is allocated in one thread, though
the corresponding UAMOR bits for that thread get
When a thread forks the contents of AMR, IAMR, UAMOR registers in the
newly forked thread are not inherited.
Save the registers before forking, for content of those
registers to be automatically copied into the new thread.
CC: Michael Ellerman
CC: Florian Weimer
CC: Andy Lutomirski
CC: Thiago
Assortment of fixes to pkey.
Patch 1 makes pkey consumable in multithreaded applications.
Patch 2 fixes fork behavior to inherit the key attributes.
Patch 3 A off-by-one bug made one key unusable. Fixes it.
Patch 4 Makes pkey-0 less special.
Ram Pai (5):
powerpc/pkeys: Enable all
On Mon, Jun 04, 2018 at 07:48:54PM +1000, Benjamin Herrenschmidt wrote:
> On Mon, 2018-06-04 at 18:57 +1000, David Gibson wrote:
> >
> > > - First qemu doesn't know that the guest will switch to "secure mode"
> > > in advance. There is no difference between a normal and a secure
> > > partition
On Tue, Jun 05, 2018 at 09:26:56AM +1000, Benjamin Herrenschmidt wrote:
> I would like to keep however the ability to bypass the iommu for
> performance reasons
So that's easy, clear the IOMMU flag and this means "bypass the IOMMU".
--
MST
On Mon, 2018-06-04 at 19:21 +0300, Michael S. Tsirkin wrote:
>
> > > > - First qemu doesn't know that the guest will switch to "secure mode"
> > > > in advance. There is no difference between a normal and a secure
> > > > partition until the partition does the magic UV call to "enter secure
> > >
From: YueHaibing
Date: Mon, 4 Jun 2018 21:07:59 +0800
> Use dma_zalloc_coherent instead of dma_alloc_coherent
> followed by memset 0.
>
> Signed-off-by: YueHaibing
Applied.
On 06/04/2018 09:02 PM, Ram Pai wrote:
On Mon, Jun 04, 2018 at 07:57:46PM +0200, Florian Weimer wrote:
On 06/04/2018 04:01 PM, Ram Pai wrote:
On Mon, Jun 04, 2018 at 12:12:07PM +0200, Florian Weimer wrote:
On 06/03/2018 10:18 PM, Ram Pai wrote:
On Mon, May 21, 2018 at 01:29:11PM +0200,
On Tue, Jun 05, 2018 at 12:10:31AM +1000, Michael Ellerman wrote:
> On Fri, 2018-04-06 at 01:17:16 UTC, Mark Greer wrote:
> > The C2K platform appears to be orphaned so remove code supporting it.
> >
> > CC: Remi Machet
> > Signed-off-by: Mark Greer
> > Acked-by: Remi Machet
> > Signed-off-by:
On Mon, Jun 04, 2018 at 07:57:46PM +0200, Florian Weimer wrote:
> On 06/04/2018 04:01 PM, Ram Pai wrote:
> >On Mon, Jun 04, 2018 at 12:12:07PM +0200, Florian Weimer wrote:
> >>On 06/03/2018 10:18 PM, Ram Pai wrote:
> >>>On Mon, May 21, 2018 at 01:29:11PM +0200, Florian Weimer wrote:
> On
On 06/04/2018 04:01 PM, Ram Pai wrote:
On Mon, Jun 04, 2018 at 12:12:07PM +0200, Florian Weimer wrote:
On 06/03/2018 10:18 PM, Ram Pai wrote:
On Mon, May 21, 2018 at 01:29:11PM +0200, Florian Weimer wrote:
On 05/20/2018 09:11 PM, Ram Pai wrote:
Florian,
Does the following patch fix
On Mon, Jun 04, 2018 at 11:14:36PM +1000, Benjamin Herrenschmidt wrote:
> On Mon, 2018-06-04 at 05:55 -0700, Christoph Hellwig wrote:
> > On Mon, Jun 04, 2018 at 03:43:09PM +0300, Michael S. Tsirkin wrote:
> > > Another is that given the basic functionality is in there, optimizations
> > > can
On Mon, Jun 04, 2018 at 11:11:52PM +1000, Benjamin Herrenschmidt wrote:
> On Mon, 2018-06-04 at 15:43 +0300, Michael S. Tsirkin wrote:
> > On Thu, May 24, 2018 at 08:27:04AM +1000, Benjamin Herrenschmidt wrote:
> > > On Wed, 2018-05-23 at 21:50 +0300, Michael S. Tsirkin wrote:
> > >
> > > > I
Clear current_kprobe and enable preemption in kprobe
even if pre_handler returns !0.
This simplifies function override using kprobes.
Jprobe used to require to keep the preemption disabled and
keep current_kprobe until it returned to original function
entry. For this reason kprobe_int3_handler()
Don't call the ->break_handler() from the arm kprobes code,
because it was only used by jprobes which got removed.
This also makes skip_singlestep() a static function since
only ftrace-kprobe.c is using this function.
Signed-off-by: Masami Hiramatsu
Cc: Benjamin Herrenschmidt
Cc: Paul
Remove arch dependent setjump/longjump functions
and unused fields in kprobe_ctlblk for jprobes
from arch/powerpc. This also reverts commits
related __is_active_jprobe() function.
Signed-off-by: Masami Hiramatsu
Cc: Benjamin Herrenschmidt
Cc: Paul Mackerras
Cc: Michael Ellerman
Cc: "Naveen
On Mon, 2018-06-04 at 05:55 -0700, Christoph Hellwig wrote:
> On Mon, Jun 04, 2018 at 03:43:09PM +0300, Michael S. Tsirkin wrote:
> > Another is that given the basic functionality is in there, optimizations
> > can possibly wait until per-device quirks in DMA API are supported.
>
> We have had
On Fri, 2018-06-01 at 10:01:15 UTC, Nicholas Piggin wrote:
> Radix flushes the TLB when updating ptes to increase permissiveness
> of protection (increase access authority). Book3S does not require
> TLB flushing in this case, and it is not done on hash. This patch
> avoids the flush for radix.
>
On Fri, 2018-06-01 at 08:24:24 UTC, "Aneesh Kumar K.V" wrote:
> With split pmd page table lock enabled, we don't use mm->page_table_lock when
> updating pmd entries. This patch update hugetlb path to use the right lock
> when inserting huge page directory entries into page table.
>
> ex: if we
On Fri, 2018-06-01 at 08:24:02 UTC, "Aneesh Kumar K.V" wrote:
> When inserting SLB entries for EA above 512TB, we need to hard disable irq.
> This will make sure we don't take a PMU interrupt that can possibly touch
> user space address via a stack dump. To prevent this, we need to hard disable
>
On Thu, 2018-05-31 at 11:11:25 UTC, Yisheng Xie wrote:
> match_string() returns the index of an array for a matching string,
> which can be used instead of open coded variant.
>
> Cc: Benjamin Herrenschmidt
> Cc: Paul Mackerras
> Cc: Michael Ellerman
> Cc: linuxppc-dev@lists.ozlabs.org
>
On Wed, 2018-05-30 at 13:18:04 UTC, "Aneesh Kumar K.V" wrote:
> >From ISA
>
> "For data accesses, the context synchronizing instruction before the slbie,
> slbieg, slbia, slbmte, tlbie, or tlbiel instruction ensures that all preceding
> instructions that access data storage have completed to a
On Wed, 2018-05-30 at 12:19:20 UTC, Nicholas Piggin wrote:
> Switch VDSO32 build over to use CROSS32_COMPILE directly, and have
> it pass in -m32 after the standard c_flags. This allows endianness
> overrides to be removed and the endian and bitness flags moved into
> standard flags variables.
>
On Wed, 2018-05-30 at 12:19:21 UTC, Nicholas Piggin wrote:
> The powerpc toolchain can compile combinations of 32/64 bit and
> big/little endian, so it's convenient to consider, e.g.,
>
> `CC -m64 -mbig-endian`
>
> To be the C compiler for the purpose of invoking it to build target
>
On Wed, 2018-05-30 at 09:22:50 UTC, Alexey Kardashevskiy wrote:
> When IODA2 creates a PE, it creates an IOMMU table with it_ops::free
> set to pnv_ioda2_table_free() which calls pnv_pci_ioda2_table_free_pages().
>
> Since iommu_tce_table_put() calls it_ops::free when the last reference
> to the
On Wed, 2018-05-30 at 10:31:22 UTC, Nicholas Piggin wrote:
> The stores to update the SLB shadow area must be made as they appear
> in the C code, so that the hypervisor does not see an entry with
> mismatched vsid and esid. Use WRITE_ONCE for this.
>
> GCC has been observed to elide the first
On Wed, 2018-05-30 at 12:19:19 UTC, Nicholas Piggin wrote:
> Some 64-bit toolchains uses the wrong ISA variant for compiling 32-bit
> kernels, even with -m32. Debian's powerpc64le is one such case, and
> that is because it is built with --with-cpu=power8.
>
> So when cross compiling a 32-bit
On Tue, 2018-05-29 at 16:06:41 UTC, Christophe Leroy wrote:
> Latest GCC version emit the following warnings
>
> As arch/powerpc code is built with -Werror, this breaks build with
> GCC 8.1
>
> This patch inhibits those warnings
>
> CC arch/powerpc/kernel/syscalls.o
> In file included
On Tue, 2018-05-29 at 16:19:14 UTC, Christophe Leroy wrote:
> arch_vtime_task_switch() is a small function which is called
> only from vtime_common_task_switch(), so it is worth inlining
>
> Signed-off-by: Christophe Leroy
Applied to powerpc next, thanks.
On Wed, 2018-05-30 at 07:06:13 UTC, Christophe Leroy wrote:
> Rewrite clear_user() on the same principle as memset(0), making use
> of dcbz to clear complete cache lines.
>
> This code is a copy/paste of memset(), with some modifications
> in order to retrieve remaining number of bytes to be
On Tue, 2018-05-29 at 12:57:38 UTC, Michael Ellerman wrote:
> From: Al Viro
>
> In PPC_PTRACE_GETHWDBGINFO and PPC_PTRACE_SETHWDEBUG we do an
> access_ok() check and then __copy_{from,to}_user().
>
> Instead we should just use copy_{from,to}_user() which does all that
> for us and is less error
On Tue, 2018-05-29 at 14:28:38 UTC, "Aneesh Kumar K.V" wrote:
> In a later patch, we want to update __ptep_set_access_flags take page size
> arg. This makes ptep_set_access_flags only work with mmu_virtual_psize.
> To simplify the code make huge_ptep_set_access_flags directly call
>
On Mon, 2018-05-28 at 13:19:14 UTC, Michal Suchanek wrote:
> We now have barrier_nospec as mitigation so print it in
> cpu_show_spectre_v1 when enabled.
>
> Signed-off-by: Michal Suchanek
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/a377514519b9a20fa1ea9adddbb412
cheers
On Tue, 2018-05-29 at 06:03:53 UTC, Christophe Leroy wrote:
> CC arch/powerpc/kernel/nvram_64.o
> arch/powerpc/kernel/nvram_64.c: In function 'nvram_create_partition':
> arch/powerpc/kernel/nvram_64.c:1042:2: error: 'strncpy' specified bound 12
> equals destination size
On Mon, 2018-05-28 at 23:22:38 UTC, Michael Neuling wrote:
> This tests perf hardware breakpoints (ie PERF_TYPE_BREAKPOINT) on
> powerpc.
>
> Signed-off-by: Michael Neuling
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/9c2d72d497a32788bf90f05610319a
cheers
On Mon, 2018-05-28 at 06:08:34 UTC, Christophe Leroy wrote:
> When compiled with GCC 8.1, vmlinux is significantly bigger than
> with GCC 4.8.
>
> When looking at the generated code with objdump, we notice that
> all functions and loops when a 16 bytes alignment. This significantly
> increases
On Thu, 2018-05-24 at 11:33:18 UTC, Christophe Leroy wrote:
> The generic csum_ipv6_magic() generates a pretty bad result
>
> : (PPC32)
>0: 81 23 00 00 lwz r9,0(r3)
>4: 81 03 00 04 lwz r8,4(r3)
>8: 7c e7 4a 14 add r7,r7,r9
>c: 7d 29 38 10 subfc
On Fri, 2018-05-25 at 03:11:28 UTC, Sam Bobroff wrote:
> The current failure message includes the number of failures that have
> occurred in the last hour (for a device) but it does not indicate
> how many failures will be tolerated before the device is permanently
> disabled.
>
> Include the
On Fri, 2018-05-18 at 13:01:16 UTC, Christophe Leroy wrote:
> commit 87a156fb18fe1 ("Align hot loops of some string functions")
> degraded the performance of string functions by adding useless
> nops
>
> A simple benchmark on an 8xx calling 10x a memchr() that
> matches the first byte runs in
On Thu, 2018-05-24 at 11:22:27 UTC, Christophe Leroy wrote:
> Improve __csum_partial by interleaving loads and adds.
>
> On a 8xx, it brings neither improvement nor degradation.
> On a 83xx, it brings a 25% improvement.
>
> Signed-off-by: Christophe Leroy
> Reviewed-by: Segher Boessenkool
On Mon, 2018-05-21 at 04:21:06 UTC, Ravi Bangoria wrote:
> Replace 'op->type & INSTR_TYPE_MASK' expression with GETTYPE(op->type)
> macro.
>
> Signed-off-by: Ravi Bangoria
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/e6684d07e4308430b9b6497265781a
cheers
On Tue, 2018-05-22 at 09:12:34 UTC, Anju T Sudhakar wrote:
> When any of the IMC (In-Memory Collection counter) devices fail
> to initialize, imc_common_mem_free() frees set of memory. In doing so,
> pmu_ptr pointer is also freed. But pmu_ptr pointer is used in subsequent
> function
On Mon, 2018-05-14 at 13:03:15 UTC, Michael Ellerman wrote:
> It's called 'fs' for historical reasons, it's named after the x86 'FS'
> register. But we don't have to use that name for the member of
> thread_struct, and in fact arch/x86 doesn't even call it 'fs' anymore.
>
> So rename it to
On Fri, 2018-05-11 at 08:03:13 UTC, Russell Currey wrote:
> The GETFIELD and SETFIELD macros in xive-regs.h aren't used except for a
> single instance of GETFIELD, so replace that and remove them.
>
> These macros are also defined in vas.h, so either those should be
> eventually replaced or the
On Fri, 2018-05-11 at 06:12:57 UTC, "Alastair D'Silva" wrote:
> From: Alastair D'Silva
>
> This patch adds a CPU feature bit to show whether the CPU has
> the TIDR register available, enabling as_notify/wait in userspace.
>
> Signed-off-by: Alastair D'Silva
> Reviewed-by: Frederic Barrat
>
On Thu, 2018-05-10 at 17:20:05 UTC, Nicholas Piggin wrote:
> Using irq_work for processing OPAL event interrupts is not necessary.
> irq_work is typically used to schedule work from NMI context, a
> softirq may be more appropriate. However OPAL events are not
> particularly performance or latency
On Thu, 2018-05-10 at 12:21:48 UTC, Nicholas Piggin wrote:
> Although it is often possible to recover a CPU that was interrupted
> from OPAL with a system reset NMI, it's undesirable to interrupt them
> for a few reasons. Firstly because dump/debug code itself needs to
> call firmware, so it could
On Thu, 2018-05-10 at 01:04:23 UTC, Nicholas Piggin wrote:
> When soft enabled was changed to irq disabled mask, this test missed
> being converted (although the equivalent book3s test was converted).
>
> The PMU drivers consider it an NMI when they take a PMI while general
> interrupts are
On Sat, 2018-05-05 at 03:01:25 UTC, Fabio Estevam wrote:
> From: Fabio Estevam
>
> Structure platform_driver does not need to set the owner field, as this
> will be populated by the driver core.
>
> Generated by scripts/coccinelle/api/platform_no_drv_owner.cocci.
>
> Signed-off-by: Fabio
On Wed, 2018-05-02 at 13:07:26 UTC, Michael Ellerman wrote:
> A CPU that gets stuck with interrupts hard disable can be difficult to
> debug, as on some platforms we have no way to interrupt the CPU to
> find out what it's doing.
>
> A stop-gap is to have the CPU save it's stack pointer (r1) in
On Fri, 2018-05-04 at 17:19:25 UTC, Nicholas Piggin wrote:
> irq_work_raise should not cause a decrementer exception unless it is
> called from NMI context. Doing so often just results in an immediate
> masked decrementer interrupt:
>
><...>-55090d...4us : update_curr_rt
On Wed, 2018-04-25 at 11:27:07 UTC, YueHaibing wrote:
> The device node obtained with of_find_compatible_node() should be
> released by calling of_node_put(). But it was not released when
> of_get_property() failed.
>
> Signed-off-by: YueHaibing
Applied to powerpc next, thanks.
On Tue, 2018-04-24 at 04:15:54 UTC, Michael Ellerman wrote:
> From: Michal Suchanek
>
> A no-op form of ori (or immediate of 0 into r31 and the result stored
> in r31) has been re-tasked as a speculation barrier. The instruction
> only acts as a barrier on newer machines with appropriate
On Tue, 2018-04-24 at 16:04:25 UTC, Christophe Leroy wrote:
> Use fault_in_pages_readable() to prefault user context
> instead of open coding
>
> Signed-off-by: Christophe Leroy
> Reviewed-by: Mathieu Malaterre
Applied to powerpc next, thanks.
On Tue, 2018-04-17 at 12:47:35 UTC, Christophe Leroy wrote:
> The 885 familly processors don't have the Real Time Clock
>
> Signed-off-by: Christophe Leroy
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/d04f11d2713e736a3740361f8b5bb4
cheers
On Mon, 2018-04-23 at 08:36:38 UTC, Arnd Bergmann wrote:
> In order to use the rtc_tm_to_time64() and rtc_time64_to_tm()
> helper functions in later patches, we have to ensure that
> CONFIG_RTC_LIB is always built-in.
>
> Note that this symbol only controls a couple of helper functions,
> not the
On Tue, 2018-04-17 at 12:36:45 UTC, Christophe Leroy wrote:
> Variable div is set but never used. Remove it.
>
> Signed-off-by: Christophe Leroy
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/169f438a7e369226a452e0ac4a54db
cheers
On Tue, 2018-04-17 at 11:23:10 UTC, Christophe Leroy wrote:
> reloc_offset() is the same as add_reloc_offset(0)
>
> Signed-off-by: Christophe Leroy
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/0cc377d16e565b90b43b7550cdf5b3
cheers
On Tue, 2018-04-10 at 06:34:35 UTC, Christophe Leroy wrote:
> The current implementation of from64to32() gives a poor result:
>
> 0270 <.from64to32>:
> 270: 38 00 ff ff li r0,-1
> 274: 78 69 00 22 rldicl r9,r3,32,32
> 278: 78 00 00 20 clrldi r0,r0,32
> 27c: 7c
On Fri, 2018-04-06 at 01:17:16 UTC, Mark Greer wrote:
> The C2K platform appears to be orphaned so remove code supporting it.
>
> CC: Remi Machet
> Signed-off-by: Mark Greer
> Acked-by: Remi Machet
> Signed-off-by: Mark Greer
Series applied to powerpc next, thanks.
On Thu, 2018-03-29 at 06:02:46 UTC, Stewart Smith wrote:
> time_init() will set up tb_ticks_per_usec based on reality.
> time_init() is called *after* udbg_init_opal_common() during boot.
>
> from arch/powerpc/kernel/time.c:
> unsigned long tb_ticks_per_usec = 100; /* sane default */
>
>
On Wed, 2018-03-21 at 14:07:47 UTC, Christophe Leroy wrote:
> First context is now 1 for all supported platforms, so it
> can be made a constant.
>
> Signed-off-by: Christophe Leroy
Series applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/8820a44738308a8a1644c6c3d04b47
cheers
On Wed, 2018-02-28 at 18:21:45 UTC, Christophe Leroy wrote:
> Direction is already checked in all calling functions in
> include/linux/dma-mapping.h and also in called function __dma_sync()
>
> So really no need to check it once more here.
>
> Signed-off-by: Christophe Leroy
Applied to powerpc
On Wed, 2017-12-06 at 11:03:52 UTC, Christian Zigotzky wrote:
> On 06 December 2017 at 09:37AM, Christian Zigotzky wrote:
> > On 03 December 2017 at 10:43AM, Christian Zigotzky wrote:
> > >
> > > On 3. Dec 2017, at 00:02, Olof Johansson wrote:
> > >>
> > >> Typo, should be ';', not ':'. I
On Mon, Jun 04, 2018 at 12:12:07PM +0200, Florian Weimer wrote:
> On 06/03/2018 10:18 PM, Ram Pai wrote:
> >On Mon, May 21, 2018 at 01:29:11PM +0200, Florian Weimer wrote:
> >>On 05/20/2018 09:11 PM, Ram Pai wrote:
> >>>Florian,
> >>>
> >>> Does the following patch fix the problem for you? Just
On Mon, Jun 04, 2018 at 03:08:36PM +0800, Yangbo Lu wrote:
> +if FSL_DPAA_ETH
> +config FSL_DPAA_ETH_TS
> + bool "DPAA hardware timestamping support"
> + select PTP_1588_CLOCK_QORIQ
> + default n
> + help
> + Enable DPAA hardware timestamping support.
> + This option
On Mon, 4 Jun 2018, Dan Carpenter wrote:
> On Mon, Jun 04, 2018 at 10:25:14PM +0900, Julia Lawall wrote:
> >
> >
> > On Mon, 4 Jun 2018, Dan Carpenter wrote:
> >
> > > There is a copy and paste bug so we accidentally use the RX_ shift when
> > > we're in TX_ mode.
> > >
> > > Fixes:
On Mon, Jun 04, 2018 at 10:25:14PM +0900, Julia Lawall wrote:
>
>
> On Mon, 4 Jun 2018, Dan Carpenter wrote:
>
> > There is a copy and paste bug so we accidentally use the RX_ shift when
> > we're in TX_ mode.
> >
> > Fixes: bb8b2062aff3 ("fsl/qe: setup clock source for TDM mode")
> >
On Mon, 4 Jun 2018, Dan Carpenter wrote:
> There is a copy and paste bug so we accidentally use the RX_ shift when
> we're in TX_ mode.
>
> Fixes: bb8b2062aff3 ("fsl/qe: setup clock source for TDM mode")
> Signed-off-by: Dan Carpenter
> ---
> Static analysis work. Not tested. This affects
Use dma_zalloc_coherent instead of dma_alloc_coherent
followed by memset 0.
Signed-off-by: YueHaibing
---
drivers/net/wan/fsl_ucc_hdlc.c | 11 ---
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index
On Mon, Jun 04, 2018 at 03:43:09PM +0300, Michael S. Tsirkin wrote:
> Another is that given the basic functionality is in there, optimizations
> can possibly wait until per-device quirks in DMA API are supported.
We have had per-device dma_ops for quite a while.
On Mon, 2018-06-04 at 15:43 +0300, Michael S. Tsirkin wrote:
> On Thu, May 24, 2018 at 08:27:04AM +1000, Benjamin Herrenschmidt wrote:
> > On Wed, 2018-05-23 at 21:50 +0300, Michael S. Tsirkin wrote:
> >
> > > I re-read that discussion and I'm still unclear on the
> > > original question, since I
Christophe Leroy writes:
> The purpose of this serie is to limit the number of includes to
> only the necessary ones in order to reduce the number of files
> recompiled everytime a header file is modified.
>
> This is the start of the work, please provide feedback if any so
> that I don't go in
On Mon, Jun 04, 2018 at 07:48:54PM +1000, Benjamin Herrenschmidt wrote:
> On Mon, 2018-06-04 at 18:57 +1000, David Gibson wrote:
> >
> > > - First qemu doesn't know that the guest will switch to "secure mode"
> > > in advance. There is no difference between a normal and a secure
> > > partition
On Thu, May 24, 2018 at 08:27:04AM +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2018-05-23 at 21:50 +0300, Michael S. Tsirkin wrote:
>
> > I re-read that discussion and I'm still unclear on the
> > original question, since I got several apparently
> > conflicting answers.
> >
> > I asked:
> >
Where did the original go ?
https://patchwork.ozlabs.org/patch/868158/
On Mon, Jun 4, 2018 at 2:02 PM Dan Carpenter wrote:
>
> There is a copy and paste bug so we accidentally use the RX_ shift when
> we're in TX_ mode.
>
> Fixes: bb8b2062aff3 ("fsl/qe: setup clock source for TDM mode")
>
Hi Finn,
On Sat, Jun 2, 2018 at 5:27 AM, Finn Thain wrote:
> Replace an open-coded ffs() with the function call.
> Simplify an if-else cascade using a switch statement.
> Correct a typo and an indentation issue.
>
> Tested-by: Stan Johnson
> Signed-off-by: Finn Thain
Thanks for your patch!
There is a copy and paste bug so we accidentally use the RX_ shift when
we're in TX_ mode.
Fixes: bb8b2062aff3 ("fsl/qe: setup clock source for TDM mode")
Signed-off-by: Dan Carpenter
---
Static analysis work. Not tested. This affects the success path, so
we should probably test it.
diff
Hi Finn,
On Sat, Jun 2, 2018 at 5:27 AM, Finn Thain wrote:
> Now that the PowerMac via-pmu driver supports m68k PowerBooks,
> switch over to that driver and remove the via-pmu68k driver.
Thanks!
> Don't call pmu_shutdown() or pmu_restart() on early PowerBooks:
> the PMU device found in these
On Sat, Jun 2, 2018 at 5:27 AM, Finn Thain wrote:
> Clearing the interrupt flag twice in succession creates a theoretical
> race condition. Fix this.
I would add that the caller of pmu_sr_intr() has already cleared the flag,
so the casual reviewer doesn't have to hunt for it.
> Tested-by: Stan
On Sat, Jun 2, 2018 at 5:27 AM, Finn Thain wrote:
> Add missing in_8() accessors to init_pmu() and pmu_sr_intr().
>
> This fixes several sparse warnings:
> drivers/macintosh/via-pmu.c:536:29: warning: dereference of noderef expression
> drivers/macintosh/via-pmu.c:537:33: warning: dereference of
On Mon, Jun 04, 2018 at 07:04:14PM +1000, Benjamin Herrenschmidt wrote:
> Is this a new property ? I'm not fan of adding yet another of those
> silly arrays.
>
> I would say this is the right time now to switch over to a node per
> state instead, as we discussed with Vaidy.
I posted the node
Hi Finn,
On Sat, Jun 2, 2018 at 5:27 AM, Finn Thain wrote:
> The pmu_init() function has the __init qualifier, but the ops struct
> that holds a pointer to it does not. This causes a build warning.
> The driver works fine because the pointer is only dereferenced early.
>
> The function is so
"Gautham R. Shenoy" writes:
> From: "Gautham R. Shenoy"
>
> The commit 78eaa10f027c ("cpuidle: powernv/pseries: Auto-promotion of
> snooze to deeper idle state") introduced a timeout for the snooze idle
> state so that it could be eventually be promoted to a deeper idle
> state. The snooze
Stephen Rothwell writes:
> Hi all,
>
> Commit
>
> cb3d6759a93c ("powerpc/64s: Enable barrier_nospec based on firmware
> settings")
>
> is missing a Signed-off-by from its author.
Sorry my fault.
cheers
On 06/03/2018 10:18 PM, Ram Pai wrote:
On Mon, May 21, 2018 at 01:29:11PM +0200, Florian Weimer wrote:
On 05/20/2018 09:11 PM, Ram Pai wrote:
Florian,
Does the following patch fix the problem for you? Just like x86
I am enabling all keys in the UAMOR register during
On Mon, 2018-06-04 at 18:57 +1000, David Gibson wrote:
>
> > - First qemu doesn't know that the guest will switch to "secure mode"
> > in advance. There is no difference between a normal and a secure
> > partition until the partition does the magic UV call to "enter secure
> > mode" and qemu
Sam Bobroff writes:
> On Sat, Jun 02, 2018 at 01:40:46AM +1000, Michael Ellerman wrote:
>> Sam Bobroff writes:
>>
>> > As EEH event handling progresses, a cumulative result of type
>> > pci_ers_result is built up by (some of) the eeh_report_*() functions
>> > using either:
>> >if (rc ==
On Thu, May 24, 2018 at 08:27:04AM +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2018-05-23 at 21:50 +0300, Michael S. Tsirkin wrote:
>
> > I re-read that discussion and I'm still unclear on the
> > original question, since I got several apparently
> > conflicting answers.
> >
> > I asked:
> >
Haren Myneni writes:
> On 06/03/2018 03:48 AM, Michael Ellerman wrote:
>> Haren Myneni writes:
>>> NX can set 3rd bit in CR register for XER[SO] (Summation overflow)
>>> which is not related to paste request. The current paste function
>>> returns failure for the successful request when this bit
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