choose some other CPU to run on.
Cc: sta...@vger.kernel.org
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/smp.c | 9 -
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 71e186d..d40e46e 100644
: e2912009fb7b (sched: Ensure set_task_cpu() is never called on blocked
tasks)
Cc: sta...@vger.kernel.org
Signed-off-by: Anton Blanchard an...@samba.org
---
kernel/kthread.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 10e489c..e40ab1d
Hi Linus,
The __set_task_cpu() function does various other things too:
set_task_rq(p, cpu);
#ifdef CONFIG_SMP
/*
* After -cpu is set up to a new value, task_rq_lock(p, ...)
can be
* successfuly executed on another CPU. We must ensure that
updates of
Hi,
I've been seeing intermittent hangs when booting a KVM guest on a busy box.
Both host and guest are mainline (3.18-rc6). The backtrace looks like:
INFO: rcu_sched self-detected stall on CPU { 7} (t=8404 jiffies g=-299 c=-300
q=79)
Task dump for CPU 7:
swapper/7 R running task
The in kernel XICS emulation is faster than doing it all in QEMU
and it has got a lot of testing, so enable it by default
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kvm/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm
I used some 64 bit instructions when adding the 32 bit getcpu VDSO
function. Fix it.
Fixes: 18ad51dd342a (powerpc: Add VDSO version of getcpu)
Cc: sta...@vger.kernel.org
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/vdso32/getcpu.S | 4 ++--
1 file changed, 2 insertions
-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/udbg_16550.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c
index 6e7c492..3faf393 100644
--- a/arch/powerpc/kernel/udbg_16550.c
+++ b/arch/powerpc
might
take multiple PMU exceptions per second per hardware thread even
if our hard lockup timeout is 10 seconds.
It can be enabled via a boot option, or via procfs.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/Kconfig | 2 +-
arch/powerpc/Kconfig | 1
Hi Segher,
Our inline assembly only clobbers the first condition register
field, but we mark all of them as being clobbered.
No, we don't. cc has been an alias for cr0 for over twenty two and
a half years now; it has never changed meaning. This is an LLVM bug.
Thanks! I opened
The ibm,pcie-link-speed-stats isn't mandatory, so we shouldn't print
a high priority error message when missing. One example where we see
this is QEMU.
Reduce it to pr_debug.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/platforms/pseries/pci.c | 2 +-
1 file changed, 1
on exceptions), it
has been now added on some POWER7 configurations (which does not).
Check for H_P2 and print an informational message instead.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/platforms/pseries/setup.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff
blr
Replacing cc with cr0:
foo:
0: 20 00 80 4e blr
This patch produces no difference to a kernel built with gcc.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/atomic.h| 36
arch/powerpc/include/asm/bitops.h
on us and its register allocator
never used r4. Sometimes, rarely, luck is on our side.
LLVM on the other hand did trample r4.
To avoid having to reload the flags, pass it through
restore_interrupts, suggested by benh.
Signed-off-by: Anton Blanchard an...@samba.org
Cc: sta...@vger.kernel.org
case is performance critical and we can't afford to call a function
to get it. Furthermore it isn't important to know exactly where in
the stack we are since we mask the lower bits.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/thread_info.h | 5 ++---
1 file changed
Looks like I introduced this when adding LE support.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/align.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c
index 34f5552..86150fb 100644
Move the declaration up to silence the warning.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/rtas-proc.c | 20 +---
1 file changed, 9 insertions(+), 11 deletions(-)
diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c
index
The ibm,pcie-link-speed-stats isn't mandatory, so we shouldn't print
a high priority error message when missing. One example where we see
this is QEMU.
Reduce it to pr_info.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/platforms/pseries/pci.c | 2 +-
1 file changed, 1
on us and its register allocator
never used r4. Sometimes, rarely, luck is on our side.
LLVM on the other hand did trample r4.
Signed-off-by: Anton Blanchard an...@samba.org
Cc: sta...@vger.kernel.org
---
arch/powerpc/kernel/entry_64.S | 6 ++
1 file changed, 6 insertions(+)
diff --git
Commit d4fe0965e208 (powerpc/jump_label: use HAVE_JUMP_LABEL?)
missed a few conversions. Change the remaining uses of
CONFIG_JUMP_LABEL to HAVE_JUMP_LABEL.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/platforms/powernv/opal-wrappers.S | 2 +-
arch/powerpc/platforms/pseries
allocator never used r4. Sometimes, rarely, luck
is on our side.
Signed-off-by: Anton Blanchard an...@samba.org
Cc: sta...@vger.kernel.org
---
arch/powerpc/kernel/entry_64.S | 7 +++
1 file changed, 7 insertions(+)
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
Hi Segher,
On Wed, Sep 24, 2014 at 12:33:07PM +1000, Anton Blanchard wrote:
We are scratching our heads trying to remember details of the issue
right now. In retrospect we should have linked the gcc bugzilla or
gcc commit details in the kernel commit message :)
There have been many GCC
The hypervisor returns H_P2 if relocation on exceptions are
not supported. If we get this, just print a lower priority
informational message.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/platforms/pseries/setup.c | 6 +-
1 file changed, 5 insertions(+), 1 deletion(-)
diff
We have an extra level of indirection on memory hot remove which is not
matched on memory hot add. Memory hotplug is book3s only, so there is
no need for it.
This also enables means remove_memory() (ie memory hot unplug) works
on powernv.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch
Hi Scott,
Platform code can call limit_zone_pfn() to set appropriate limits
for ZONE_DMA and ZONE_DMA32, and dma_direct_alloc_coherent() will
select a suitable zone based on a device's mask and the pfn limits
that platform code has configured.
This patch breaks my POWER8 box:
ipr
) calls it from a header file.
Reported-by: Li Zhong zh...@linux.vnet.ibm.com
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/perf_event.h | 2 +-
arch/powerpc/include/asm/reg.h| 3 +--
arch/powerpc/kernel/misc.S| 4
arch/powerpc/kernel
Michael points out that __get_SP() is a pretty horrible
function name. Let's give it a better name.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/perf_event.h | 2 +-
arch/powerpc/include/asm/reg.h| 2 +-
arch/powerpc/kernel/irq.c | 2 +-
arch
We can use the simpler dump_stack() instead of
show_stack(current, __get_SP())
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/platforms/pseries/iommu.c | 11 +--
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/iommu.c
b/arch
Even though the ipr driver is only used on PCI, convert it
to use the generic DMA API.
Signed-off-by: Anton Blanchard an...@samba.org
---
drivers/scsi/ipr.c | 101 +++--
drivers/scsi/ipr.h | 2 +-
2 files changed, 53 insertions(+), 50 deletions
Use dma_set_mask_and_coherent() to set both the DMA and coherent
DMA mask.
Signed-off-by: Anton Blanchard an...@samba.org
---
drivers/scsi/ipr.c | 11 ++-
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 3aa28bd..15f4575 100644
Now KVM is working on LE, enable it. Also enable transarent
hugepage which has already been enabled on BE.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/configs/pseries_le_defconfig | 7 ++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/configs
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/setup_64.c | 32
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index cd07d79..4f3cfe1 100644
--- a/arch/powerpc
We really don't want to take a pagefault in show_instructions,
so use probe_kernel_address instead of __get_user.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/process.c | 8 ++--
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/kernel
Newer POWER designs do not implement PCI I/O space, so we
expect to see a number of these.
Reduce the severity of the warning so it doesn't mask other
real issues.
Signed-off-by: Anton Blanchard an...@samba.org
---
Index: b/arch/powerpc/kernel/pci-common.c
We have an extra level of indirection on memory hot remove which is not
matched on memory hot add. Memory hotplug is book3s only, so there is
no need for it.
This also enables means remove_memory() (ie memory hot unplug) works
on powernv.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch
ppc64_boot_msg is meant to be a boot debug aid, but
is only used in one spot. Get rid of it, and save
ourseleves a couple of lines in the kernel log
buffer.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/machdep.h | 10 --
arch/powerpc/kernel/setup_64.c
calls.
Cc: sta...@vger.kernel.org # v3.13
Cc: Benjamin Herrenschmidt b...@kernel.crashing.org
Reviewed-by: Anton Blanchard an...@samba.org
[aik: folded Anton's patch with of_property_read_u32_array]
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Thanks for updating, looks good. Could we
Michael points out that __get_SP() is a pretty horrible
function name. Let's give it a better name.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/perf_event.h | 2 +-
arch/powerpc/include/asm/reg.h| 2 +-
arch/powerpc/kernel/irq.c | 2 +-
arch
bytes or
page sizes wont drop below 1kB, which is unlikely, but we could
add a runtime check during early init if it makes people nervous.
Michael found that some versions of gcc produce quite bad code
(all multiplies), so we give gcc a hand by using shifts and adds.
Signed-off-by: Anton Blanchard
, and it is likely to be scribbled over.
Fix this by making __get_SP() a function which returns the
callers stack frame. Also replace inline assembly which grabs
the stack pointer in save_stack_trace and show_stack with
__get_SP().
Reported-by: Li Zhong zh...@linux.vnet.ibm.com
Signed-off-by: Anton
Hi Mikey,
We only map what a user processes maps and we tear it down when the
process is teared down (on the file descriptor release). So I think
we are ok.
Unless there's some lazy teardown you're alluding to that I'm missing?
I was trying to make sure things like the TLB batching
-off-by: Ian Munsie imun...@au1.ibm.com
Signed-off-by: Michael Neuling mi...@neuling.org
Reviewed-by: Anton Blanchard an...@samba.org
Anton
___
Linuxppc-dev mailing list
Linuxppc-dev@lists.ozlabs.org
https://lists.ozlabs.org/listinfo/linuxppc-dev
powerpc code.
Could we also mention:
and adds 1TB segment support.
Signed-off-by: Ian Munsie imun...@au1.ibm.com
Signed-off-by: Michael Neuling mi...@neuling.org
Reviewed-by: Anton Blanchard an...@samba.org
Anton
___
Linuxppc-dev mailing list
Linuxppc
From: Ian Munsie imun...@au1.ibm.com
This add a hook into tlbie() so that we use global invalidations when
there are cxl contexts active.
Normally cxl snoops broadcast tlbie. cxl can have TLB entries
invalidated via MMIO, but we aren't doing that yet. So for now we
are just disabling
From: Ian Munsie imun...@au1.ibm.com
This adds the OPAL call to change a PHB into cxl mode.
Signed-off-by: Ian Munsie imun...@au1.ibm.com
Signed-off-by: Michael Neuling mi...@neuling.org
Reviewed-by: Anton Blanchard an...@samba.org
___
Linuxppc
Exit out early for a kernel fault, avoiding indenting of
most of the function.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/mm/fault.c | 20 ++--
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
do_page_fault was missing knowledge of HWPOISON, and we would oops
if userspace tried to access a poisoned page:
kernel BUG at arch/powerpc/mm/fault.c:180!
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/mm/fault.c | 17 +++--
1 file changed, 11 insertions(+), 6
Fill in the si_addr_lsb siginfo field so the hwpoison code can
pass to userspace the length of memory that has been corrupted.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/mm/fault.c | 8
1 file changed, 8 insertions(+)
diff --git a/arch/powerpc/mm/fault.c b/arch
Hi Stephen,
If you had done this as 2 patches (one to remove the indent and a
second to fix the actual problem), it would have been much easier to
review ...
Good idea, I separated it out and resubmitted.
Anton
___
Linuxppc-dev mailing list
It is often useful to see the instruction that caused an unhandled
exception.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/traps.c | 17 +
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel
it into yours? Also mark it for
inclusion in stable v3.13+.
You can add:
Reviewed-by: Anton Blanchard an...@samba.org
Thanks!
Anton
Index: b/arch/powerpc/platforms/pseries/iommu.c
===
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b
do_page_fault was missing knowledge of HWPOISON, and we would oops
if userspace tried to access a poisoned page:
kernel BUG at arch/powerpc/mm/fault.c:180!
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/mm/fault.c | 36 +---
1 file changed, 21
Fill in the si_addr_lsb siginfo field so the hwpoison code can
pass to userspace the length of memory that has been corrupted.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/mm/fault.c | 8
1 file changed, 8 insertions(+)
diff --git a/arch/powerpc/mm/fault.c b/arch
Hi Steve,
This could be broken from the earlier patches, I haven't run just
this test. I probably should on them.
I went back and tested, and it breaks under the first patch.
Thanks for testing. It looks like some toolchains have issues
other than the -fno-no-omit-frame-pointer one, and
Hi Ben,
I'll drop that patch and respin.
Or maybe do a toolchain check / or enable it in LE ?
We are scratching our heads trying to remember details of the issue
right now. In retrospect we should have linked the gcc bugzilla or
gcc commit details in the kernel commit message :)
Steve:
) - 1;
}
Anton Blanchard (3):
powerpc: Implement load_unaligned_zeropad
powerpc: ppc64le optimised word at a time
powerpc: Enable DCACHE_WORD_ACCESS on ppc64le
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/word-at-a-time.h | 101 +-
2
boundary, and a SEGV
handler to lookup the exception tables and run the fixup routine.
It also compares the result against a normal load.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/word-at-a-time.h | 40 +++
1 file changed, 40 insertions
, depending on the length.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/word-at-a-time.h | 61 ---
1 file changed, 47 insertions(+), 14 deletions(-)
diff --git a/arch/powerpc/include/asm/word-at-a-time.h
b/arch/powerpc/include/asm/word
-by: Anton Blanchard an...@samba.org
---
arch/powerpc/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 90fe77a..7992f35 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -148,6 +148,7 @@ config PPC
select
Now bootmem is gone from powerpc we can remove comments mentioning it.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/prom.c | 5 +
arch/powerpc/kernel/rtas.c | 4 ++--
arch/powerpc/kvm/book3s_hv_builtin.c | 2 +-
arch/powerpc/mm/hugetlbpage.c
Lots of places included bootmem.h even when not using bootmem.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/crash_dump.c | 1 -
arch/powerpc/kernel/irq.c | 1 -
arch/powerpc/kernel/pci_64.c | 1 -
arch/powerpc/kernel
:90:11: note: in expansion of macro 'min'
order = min(MAX_ORDER - 1UL, __ffs(start));
^
The rest of the worlds seems to define __ffs as returning unsigned long,
so lets do that.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/bitops.h | 2 +-
arch/powerpc
We did part of sparse initialisation in setup_arch and part in
initmem_init. Put them together.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/setup_64.c | 1 -
arch/powerpc/mm/mem.c | 1 +
arch/powerpc/mm/numa.c | 2 ++
3 files changed, 3 insertions
remove it.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/Makefile| 5 -
arch/powerpc/kernel/Makefile | 12 ++--
arch/powerpc/platforms/powermac/Makefile | 2 +-
3 files changed, 7 insertions(+), 12 deletions(-)
diff --git a/arch
mod_return_to_handler is the same as return_to_handler, except
it handles the change of the TOC (r2). Add this into
return_to_handler and remove mod_return_to_handler.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/entry_64.S | 24 +---
arch/powerpc
it. Later on
we would do an unprotected modification:
if (!ftrace_graph_entry(trace)) {
*parent = old;
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/entry_32.S | 10 +--
arch/powerpc/kernel/entry_64.S | 11 ++--
arch/powerpc/kernel/ftrace.c
Hi Emil,
While building corenet64_smp I get this:
../arch/powerpc/mm/pgtable_64.c: In function 'early_alloc_pgtable':
../arch/powerpc/mm/pgtable_64.c:77:95: error: 'MAX_DMA_ADDRESS'
undeclared (first use in this
function) ../arch/powerpc/mm/pgtable_64.c:77:95: note: each
undeclared
At the moment we transition from the memblock alloctor to the bootmem
allocator. Gitting rid of the bootmem allocator removes a bunch of
complicated code (most of which I owe the dubious honour of being
responsible for writing).
Signed-off-by: Anton Blanchard an...@samba.org
Tested-by: Emil Medve
Now bootmem is gone from powerpc we can remove comments mentioning it.
Signed-off-by: Anton Blanchard an...@samba.org
Tested-by: Emil Medve emilian.me...@freescale.com
---
arch/powerpc/kernel/prom.c | 5 +
arch/powerpc/kernel/rtas.c | 4 ++--
arch/powerpc/kvm
Lots of places included bootmem.h even when not using bootmem.
Signed-off-by: Anton Blanchard an...@samba.org
Tested-by: Emil Medve emilian.me...@freescale.com
---
arch/powerpc/kernel/crash_dump.c | 1 -
arch/powerpc/kernel/irq.c | 1 -
arch/powerpc/kernel
We did part of sparse initialisation in setup_arch and part in
initmem_init. Put them together.
Signed-off-by: Anton Blanchard an...@samba.org
Tested-by: Emil Medve emilian.me...@freescale.com
---
arch/powerpc/kernel/setup_64.c | 1 -
arch/powerpc/mm/mem.c | 1 +
arch/powerpc/mm/numa.c
:90:11: note: in expansion of macro 'min'
order = min(MAX_ORDER - 1UL, __ffs(start));
^
The rest of the worlds seems to define __ffs as returning unsigned long,
so lets do that.
Signed-off-by: Anton Blanchard an...@samba.org
Tested-by: Emil Medve emilian.me...@freescale.com
---
arch
bytes and
page sizes wont drop below 1kB, which is unlikely, but we could
add a runtime check during early init if it makes people nervous.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/page_64.h | 18 ++
1 file changed, 14 insertions(+), 4 deletions
Use pr_fmt to give some context to the error messages in the
module code, and convert open coded debug printk to pr_debug.
Use pr_err for error messages.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/module_32.c | 31 ++-
arch/powerpc/kernel
We have an extra level of indirection on memory hot remove which is not
matched on memory hot add. Memory hotplug is book3s only, so there is
no need for it.
This also enables means remove_memory() (ie memory hot unplug) works
on powernv.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch
There is no need for yet another copy of the command line, just
use boot_command_line like everyone else.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/machdep.h | 2 --
arch/powerpc/kernel/prom.c | 4 +---
arch/powerpc/kernel/setup-common.c
Add printk levels to powernv platform code, and convert to
pr_err() etc while here.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/platforms/powernv/opal-nvram.c | 2 +-
arch/powerpc/platforms/powernv/opal.c | 6 +++---
2 files changed, 4 insertions(+), 4 deletions
Add printk levels to some places in the powerpc port.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/pgtable-ppc32.h| 4 ++--
arch/powerpc/include/asm/pgtable-ppc64-4k.h | 2 +-
arch/powerpc/include/asm/pgtable-ppc64.h| 6 +++---
arch/powerpc/kernel/irq.c
At the moment we transition from the memblock alloctor to the bootmem
allocator. Gitting rid of the bootmem allocator removes a bunch of
complicated code (most of which I owe the dubious honour of being
responsible for writing).
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc
This allows the user to build a kernel targeted at POWER8
(ie gcc -mcpu=power8).
Signed-off-by: Anton Blanchard an...@samba.org
---
Index: b/arch/powerpc/Makefile
===
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -135,6
I ran some tests to compare hash_64 using shifts and multiplies.
The results:
POWER6: ~2x slower
POWER7: ~2x faster
POWER8: ~2x faster
Now we have a proper config option, select
CONFIG_ARCH_HAS_FAST_MULTIPLIER on POWER7 and POWER8.
Signed-off-by: Anton Blanchard an...@samba.org
---
Index: b
Hi Stephen,
You removed export.h ...
+EXPORT_SYMBOL(flush_dcache_range);
+EXPORT_SYMBOL(flush_icache_range);
But still use EXPORT_SYMBOL ...
Thanks, fixed!
Anton
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Hi Stephen,
Please be consistent about extern use (unless this file is already
inconsistent, I guess). (I know that the current trend is to remove
extern in header files - I just happen to disagree with that
trend. :-))
Good idea, fixed this for the next rev.
Anton
__GI___libc_read
Cc: sta...@vger.kernel.org # 3.16+
Reported-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Signed-off-by: Anton Blanchard an...@samba.org
---
Index: b/arch/powerpc/include/asm/ptrace.h
===
--- a/arch
-by: Anton Blanchard an...@samba.org
Cc: sta...@vger.kernel.org
---
Index: b/drivers/net/ethernet/ibm/ibmveth.c
===
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -292,6 +292,18 @@ failure
sizes
to the now 64k BARs the address will be truncated and the BARs will
overlap.
This quirk will force Linux to allocate the resource as a full page,
which will avoid the overlap.
Cc: sta...@vger.kernel.org
Signed-off-by: Douglas Lehr dll...@us.ibm.com
Signed-off-by: Anton Blanchard
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/ppc_ksyms.c | 7 ---
drivers/macintosh/adb.c | 5 +
2 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 48d17d6f..351f447
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/ppc_ksyms.c | 4
drivers/macintosh/via-cuda.c| 2 ++
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 351f447..521291d 100644
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/ppc_ksyms.c| 14 --
arch/powerpc/kernel/process.c | 2 ++
arch/powerpc/kernel/setup-common.c | 3 +++
arch/powerpc/kernel/time.c | 1 +
arch/powerpc/mm/hash_utils_64.c| 1 +
5 files changed
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/ppc_ksyms.c | 16
1 file changed, 16 deletions(-)
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 4a42a1f..ab4f0bc 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch
Move the lib symbol exports closer to their function definitions
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/ppc_ksyms.c | 32
arch/powerpc/lib/Makefile | 2 +-
arch/powerpc/lib/ppc_ksyms.c| 39
Simplify things considerably by moving all the ppc32 specific
symbol exports into its own file.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/Makefile | 3 +
arch/powerpc/kernel/ppc_ksyms.c| 123 +
arch/powerpc/kernel
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/hw_breakpoint.c | 2 +-
arch/powerpc/kernel/nvram_64.c| 2 +-
arch/powerpc/kernel/pci-common.c | 2 +-
arch/powerpc/kernel/pci_of_scan.c | 2 +-
arch/powerpc/kernel/prom.c
Fix a number of places where global functions were not including
their prototype. This ensures the prototype and the function match.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/kernel/smp.c | 1 +
arch/powerpc/mm/slice.c | 2
A recent patch added a function prototype for htab_remove_mapping in
c code. Fix it.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/mmu-hash64.h | 2 ++
arch/powerpc/mm/init_64.c | 3 ---
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch
There were a number of prototypes for functions that no longer
exist. Remove them.
Signed-off-by: Anton Blanchard an...@samba.org
---
arch/powerpc/include/asm/bug.h | 1 -
arch/powerpc/include/asm/hydra.h | 1 -
arch/powerpc/include/asm/irq.h | 5 -
arch/powerpc
count to 2^31, so even when
we ask for 10 seconds of processor cycles, we end up taking a couple
of PMU exceptions a second.
Signed-off-by: Anton Blanchard an...@samba.org
---
v2: Mikey noticed a build issue with oprofile. Since our NMI is just
the PMU hardware it doesn't make any sense
We have an extra level of indirection on memory hot remove which is not
matched on memory hot add. Memory hotplug is book3s only, so there is
no need for it.
This also enables means remove_memory() (ie memory hot unplug) works
on powernv.
Signed-off-by: Anton Blanchard an...@samba.org
---
Index
A recent patch added a function prototype for htab_remove_mapping in
c code. Fix it.
Signed-off-by: Anton Blanchard an...@samba.org
---
diff --git a/arch/powerpc/include/asm/mmu-hash64.h
b/arch/powerpc/include/asm/mmu-hash64.h
index d765144..92bc3a6 100644
--- a/arch/powerpc/include/asm/mmu
At the moment we transition from the memblock alloctor to the bootmem
allocator. Removing the bootmem allocator removes a bunch of complicated
code (most of which I owe the dubious honour of being responsible for
writing).
Signed-off-by: Anton Blanchard an...@samba.org
---
Index: b/arch/powerpc
Now bootmem is gone from powerpc we can remove comments mentioning it.
Signed-off-by: Anton Blanchard an...@samba.org
---
Index: b/arch/powerpc/kernel/prom.c
===
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
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