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The various register access wrappers in nouveau_hw.h are so noisy when drm.debug > 0, that some of them can overflow the kernel message buffer. Add nouveau.ko parameter 'reg_debug', a bitmask that enables each of the wrapper debug messages individually. By default, nothing is printed. Signed-off-by: Pekka Paalanen <pq at iki.fi> --- drivers/gpu/drm/nouveau/nouveau_drv.c | 6

Paravirt spinlock clears slowpath flag after doing unlock. As explained by Linus currently it does: prev = *lock; add_smp(&lock->tickets.head, TICKET_LOCK_INC); /* add_smp() is a full mb() */ if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG)) __ticket_unlock_slowpath(lock, prev); which

Paravirt spinlock clears slowpath flag after doing unlock. As explained by Linus currently it does: prev = *lock; add_smp(&lock->tickets.head, TICKET_LOCK_INC); /* add_smp() is a full mb() */ if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG)) __ticket_unlock_slowpath(lock, prev); which

Hello, it looks like I do have infinite loop in llc on linux/armv7 platform somewhere in llvm::SmallVectorImpl. Two backtraces obtained with 10 seconds delay are: 0x0099be14 in llvm::SmallVectorTemplateCommon<llvm::SDNode*>::setEnd (this=0x7ee90b38, P=0x5c06988) at /export/home/karel/vcs/llvm-head/include/llvm/ADT/SmallVector.h:103 103 void setEnd(T *P) { this->EndX = P; }

The encoder callbacks are only called in case the video mode changes. So any layout changes without mode changes will go unnoticed. Add qxl_crtc_update_monitors_config(), based on the old qxl_write_monitors_config_for_encoder() function. Hook it into the enable, disable and flush atomic crtc callbacks. Remove monitors_config updates from all other places. Fixes:

The encoder callbacks are only called in case the video mode changes. So any layout changes without mode changes will go unnoticed. Add qxl_crtc_update_monitors_config(), based on the old qxl_write_monitors_config_for_encoder() function. Hook it into the enable, disable and flush atomic crtc callbacks. Remove monitors_config updates from all other places. Fixes:

Paravirt spinlock clears slowpath flag after doing unlock. As explained by Linus currently it does: prev = *lock; add_smp(&lock->tickets.head, TICKET_LOCK_INC); /* add_smp() is a full mb() */ if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG)) __ticket_unlock_slowpath(lock, prev); which is

Paravirt spinlock clears slowpath flag after doing unlock. As explained by Linus currently it does: prev = *lock; add_smp(&lock->tickets.head, TICKET_LOCK_INC); /* add_smp() is a full mb() */ if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG)) __ticket_unlock_slowpath(lock, prev); which is

Paravirt spinlock clears slowpath flag after doing unlock. As explained by Linus currently it does: prev = *lock; add_smp(&lock->tickets.head, TICKET_LOCK_INC); /* add_smp() is a full mb() */ if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG)) __ticket_unlock_slowpath(lock, prev); which is

Paravirt spinlock clears slowpath flag after doing unlock. As explained by Linus currently it does: prev = *lock; add_smp(&lock->tickets.head, TICKET_LOCK_INC); /* add_smp() is a full mb() */ if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG)) __ticket_unlock_slowpath(lock, prev); which is

Can anyone please suggest how I can print: a <- matrix(c( "Heading 1", "This is some info\nabout heading 1", "Heading 2", "This is some info\nabout heading 2", ), byrow=T, nrow=2) to look like: Heading 1 This is some info about heading 1 Heading 2 This is some info about heading 2 (if you're not...

* Raghavendra K T <raghavendra.kt at linux.vnet.ibm.com> [2015-02-15 11:25:44]: Resending the V5 with smp_mb__after_atomic() change without bumping up revision ---8<--- >From 0b9ecde30e3bf5b5b24009fd2ac5fc7ac4b81158 Mon Sep 17 00:00:00 2001 From: Raghavendra K T <raghavendra.kt at linux.vnet.ibm.com> Date: Fri, 6 Feb 2015 16:44:11 +0530 Subject: [PATCH RESEND V5] x86 spinlock:

* Raghavendra K T <raghavendra.kt at linux.vnet.ibm.com> [2015-02-15 11:25:44]: Resending the V5 with smp_mb__after_atomic() change without bumping up revision ---8<--- >From 0b9ecde30e3bf5b5b24009fd2ac5fc7ac4b81158 Mon Sep 17 00:00:00 2001 From: Raghavendra K T <raghavendra.kt at linux.vnet.ibm.com> Date: Fri, 6 Feb 2015 16:44:11 +0530 Subject: [PATCH RESEND V5] x86 spinlock:

This introduces support for CRC readback on gf119+, using the documentation generously provided to us by Nvidia: https://github.com/NVIDIA/open-gpu-doc/blob/master/Display-CRC/display-crc.txt We expose all available CRC sources. SF, SOR, PIOR, and DAC are exposed through a single set of "outp" sources: outp-active/auto for a CRC of the scanout region, outp-complete for a CRC of both

This introduces support for CRC readback on gf119+, using the documentation generously provided to us by Nvidia: https://github.com/NVIDIA/open-gpu-doc/blob/master/Display-CRC/display-crc.txt We expose all available CRC sources. SF, SOR, PIOR, and DAC are exposed through a single set of "outp" sources: outp-active/auto for a CRC of the scanout region, outp-complete for a CRC of both

This introduces support for CRC readback on gf119+, using the documentation generously provided to us by Nvidia: https://github.com/NVIDIA/open-gpu-doc/blob/master/Display-CRC/display-crc.txt We expose all available CRC sources. SF, SOR, PIOR, and DAC are exposed through a single set of "outp" sources: outp-active/auto for a CRC of the scanout region, outp-complete for a CRC of both

Paravirt spinlock clears slowpath flag after doing unlock. As explained by Linus currently it does: prev = *lock; add_smp(&lock->tickets.head, TICKET_LOCK_INC); /* add_smp() is a full mb() */ if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG)) __ticket_unlock_slowpath(lock, prev); which is

Paravirt spinlock clears slowpath flag after doing unlock. As explained by Linus currently it does: prev = *lock; add_smp(&lock->tickets.head, TICKET_LOCK_INC); /* add_smp() is a full mb() */ if (unlikely(lock->tickets.tail & TICKET_SLOWPATH_FLAG)) __ticket_unlock_slowpath(lock, prev); which is

Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- drivers/vhost/vhost.h | 19 +++++++++++++------ drivers/vhost/net.c | 30 +++++++++++++++++++++--------- drivers/vhost/scsi.c | 23 +++++++++++++++-------- drivers/vhost/test.c | 5 +++-- drivers/vhost/vhost.c | 23 ++++++++++++++++------- 5 files changed, 68 insertions(+), 32 deletions(-) diff --git a/drivers/vhost/vhost.h

On Fri, Jun 24, 2011 at 9:12 AM, Karel Gardas <karel.gardas at centrum.cz> wrote: > Hello, > > it looks like I do have infinite loop in llc on linux/armv7 platform > somewhere in llvm::SmallVectorImpl. Two backtraces obtained with 10 > seconds delay are: > > 0x0099be14 in llvm::SmallVectorTemplateCommon<llvm::SDNode*>::setEnd > (this=0x7ee90b38, P=0x5c06988)