Displaying 20 results from an estimated 300 matches similar to: "Re: [PATCH 0/2] fix "perf top" soft lockups under Xen"
2012 Apr 20
1
[PATCH v2 0/2] fix "perf top" soft lockups under Xen
v2:
- fix compile issues if no CONFIG_SMP, Konrad Rzeszutek Wilk
- move inc_irq_stat after irq_work_run
These 2 patches fixed the "perf top" soft lockups under Xen
reported by Steven at: https://lkml.org/lkml/2012/2/9/506
Both Steven and I tested it and "perf top" works well now.
The soft lockup code path is:
__irq_work_queue
arch_irq_work_raise
2012 Apr 15
0
(no subject)
Hi all,
These 2 patches try to fix the "perf top" soft lockups under Xen
reported by Steven at: https://lkml.org/lkml/2012/2/9/506
I tested it with 3.4-rc2 and "perf top" works well now.
Steven,
Could you please help to test it too?
The soft lockup code path is:
__irq_work_queue
arch_irq_work_raise
apic->send_IPI_self(IRQ_WORK_VECTOR);
apic_send_IPI_self
2005 Jul 12
1
allocation of large matrix failing
Hello, this is probably something silly which I am doing, but I cannot
understand why this allocation is not happening.
Here is a my C code which tries to allocate a list of size 333559, and
then a matrix of size 8*333559
I thought I might be running into memory problems, but R is not even
using that much (I start R with
more memory and it stays constant) Also, I start R as I normally do and
I
2011 Sep 07
10
[PATCH] IRQ: Group IRQ_MOVE_CLEANUP_VECTOR with other hypervisor IPIs
Also, rename to MOVE_CLEANUP_VECTOR to be in line with the other IPI
names.
This requires bumping LAST_HIPRIORITY_VECTOR, but does mean that the
range FIRST-LAST_HIPRIORITY_VECTORs are free once again.
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
diff -r 0268e7380953 -r c7884dbb6f7d xen/arch/x86/apic.c
--- a/xen/arch/x86/apic.c Mon Sep 05 15:10:28 2011 +0100
+++
2008 Jul 15
4
Patch from LKML
> On Tue, Jul 15, 2008 at 10:33 AM, Suresh Siddha
> <suresh.b.siddha at intel.com> wrote:
> > On Sun, Jul 13, 2008 at 10:19:35PM -0700, Yinghai Lu wrote:
> >>
> >> fix for pv.
> >>
> >> Signed-off-by: Yinghai Lu <yhlu.kernel at gmail.com>
> >>
> >> ---
> >> arch/x86/kernel/paravirt.c | 5 ----
> >>
2008 Jul 15
4
Patch from LKML
> On Tue, Jul 15, 2008 at 10:33 AM, Suresh Siddha
> <suresh.b.siddha at intel.com> wrote:
> > On Sun, Jul 13, 2008 at 10:19:35PM -0700, Yinghai Lu wrote:
> >>
> >> fix for pv.
> >>
> >> Signed-off-by: Yinghai Lu <yhlu.kernel at gmail.com>
> >>
> >> ---
> >> arch/x86/kernel/paravirt.c | 5 ----
> >>
2007 Apr 18
0
[RFC/PATCH PV_OPS X86_64 04/17] pavarvirt_ops - apci header updates
plain text document attachment (xx-paravirt-apic-header.patch)
This patch updates the apic header file for switching
apic_read and write for use with paravirt ops.
Signed-off-by: Steven Rostedt srostedt@redhat.com
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Index: clean-start/include/asm-x86_64/apic.h
===================================================================
---
2007 Apr 18
0
[RFC/PATCH PV_OPS X86_64 04/17] pavarvirt_ops - apci header updates
plain text document attachment (xx-paravirt-apic-header.patch)
This patch updates the apic header file for switching
apic_read and write for use with paravirt ops.
Signed-off-by: Steven Rostedt srostedt@redhat.com
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Index: clean-start/include/asm-x86_64/apic.h
===================================================================
---
2007 Apr 18
0
[RFC, PATCH 15/24] i386 Vmi apic header
Move APIC read / write accessors to sub-arch layer. Note that we
don't bother to implement apic_write_atomic any different, as it
is only present to work around old processor erratums (Pentium
Processor Spec update 11AP), and VMI kernels do not offer support
for this class of processor.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Daniel Arai <arai@vmware.com>
2007 Apr 18
0
[RFC, PATCH 15/24] i386 Vmi apic header
Move APIC read / write accessors to sub-arch layer. Note that we
don't bother to implement apic_write_atomic any different, as it
is only present to work around old processor erratums (Pentium
Processor Spec update 11AP), and VMI kernels do not offer support
for this class of processor.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Daniel Arai <arai@vmware.com>
2013 Dec 04
1
[RFC PATCH v3 19/19] smp, x86: kill SMP single function call interrupt
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one intterupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.
Cc: Andrew Morton <akpm at
2013 Dec 04
1
[RFC PATCH v3 19/19] smp, x86: kill SMP single function call interrupt
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one intterupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.
Cc: Andrew Morton <akpm at
2013 Dec 04
1
[RFC PATCH v3 19/19] smp, x86: kill SMP single function call interrupt
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one intterupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.
Cc: Andrew Morton <akpm at
2013 Sep 11
0
[RFC PATCH v2 21/25] smp, tile: kill SMP single function call interrupt
From: Jiang Liu <jiang.liu at huawei.com>
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one interrupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call
2013 Sep 11
0
[RFC PATCH v2 21/25] smp, tile: kill SMP single function call interrupt
From: Jiang Liu <jiang.liu at huawei.com>
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one interrupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call
2013 Sep 11
0
[RFC PATCH v2 21/25] smp, tile: kill SMP single function call interrupt
From: Jiang Liu <jiang.liu at huawei.com>
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one interrupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call
2015 Jan 23
0
[Resend Patch v4 11/16] smp, x86, xen: Kill SMP single function call interrupt
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one interrupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.
Signed-off-by: Jiang Liu <liuj97 at
2015 Jan 23
0
[Resend Patch v4 11/16] smp, x86, xen: Kill SMP single function call interrupt
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one interrupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.
Signed-off-by: Jiang Liu <liuj97 at
2013 Dec 04
0
[RFC PATCH v3 18/19] smp, tile: kill SMP single function call interrupt
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one intterupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.
Cc: Andrew Morton <akpm at
2013 Dec 15
1
[PATCH v3 [resend] 14/18] smp, x86, xen: kill SMP single function call interrupt
Commit 9a46ad6d6df3b54 "smp: make smp_call_function_many() use logic
similar to smp_call_function_single()" has unified the way to handle
single and multiple cross-CPU function calls. Now only one interrupt
is needed for architecture specific code to support generic SMP function
call interfaces, so kill the redundant single function call interrupt.
Cc: Andrew Morton <akpm at