GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-21 14:11:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

PCI updates for v3.13:

Browse source 
PCI device hotplug
     - Move device_del() from pci_stop_dev() to pci_destroy_dev() (Rafael J. Wysocki)
 
   Host bridge drivers
     - Update maintainers for DesignWare, i.MX6, Armada, R-Car (Bjorn Helgaas)
     - mvebu: Return 'unsupported' for Interrupt Line and Interrupt Pin (Jason Gunthorpe)
 
   Miscellaneous
     - Avoid unnecessary CPU switch when calling .probe() (Alexander Duyck)
     - Revert "workqueue: allow work_on_cpu() to be called recursively" (Bjorn Helgaas)
     - Disable Bus Master only on kexec reboot (Khalid Aziz)
     - Omit PCI ID macro strings to shorten quirk names for LTO (Michal Marek)
 
  MAINTAINERS                  | 33 +++++++++++++++++++++++++++++++++
  drivers/pci/host/pci-mvebu.c |  5 +++++
  drivers/pci/pci-driver.c     | 38 ++++++++++++++++++++++++++++++--------
  drivers/pci/remove.c         |  4 +++-
  include/linux/kexec.h        |  3 +++
  include/linux/pci.h          | 30 +++++++++++++++---------------
  kernel/kexec.c               |  4 ++++
  kernel/workqueue.c           | 32 ++++++++++----------------------
  8 files changed, 103 insertions(+), 46 deletions(-)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJSrLDLAAoJEFmIoMA60/r8JO4P/iakGDezwXcd9YTbdaq/NmEK
 31JtBao9rJNSUXpFGaFKGm99A479QNb+Fo1o5NaysyGbcAA2W0HeCkaee13hpw2D
 l3wvzJRoEwqVySOzMwlGsxxhYuvGiZ2WVALNkwBzwyCiYtypNnUtGNCSp/3J6XKp
 2ZUjoagyixdS4oYoR4irZucPBWwzW89Gx4oJ0rBttNVsXjiT1D2OzYDYTuxMyb2E
 ZjXJqTUYzfwiFxqKPrGOabUPD9GX3EWaFmu01FLlsSznPZkk9yJR3/eq6I6utp/E
 WSpP+7v3jnPHjZVky1FdHaP5wqurtNRsiWBQVyNYF+M5WofKA1hGA+niJDEB/pVL
 vE74fJfZzpET1jlZR+7Z5qHPxW2A8Q2ARn74A42DYLQGmJEh7VdARcayV1E4diRH
 DzEnhf33b9bwIC1Q0cESWZ5RH4r2Xbjg0a1qoVQYi5VEJEMWXID3Ofk64Bd9QOz4
 oLZ27V7clurD+gNarch/zgpd9LVIHLFriR2YWPpA0Iwy9EjueH8GsiOS3NqDn2SQ
 sQg5utE4vdnix4VrCvvbufAr3kJngndtuj/s7I3lZqi7nCyS+jeFFvMUd9h3MUqZ
 rs1IN1/qeTBBNi2dtmcKDN2ItahCoBhTI37JRaijZwe+B5m6mTe049it+E0SZPI2
 IqLOYWL4ggT0se/cMXld
 =Edvk
 -----END PGP SIGNATURE-----

Merge tag 'pci-v3.13-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI device hotplug
    - Move device_del() from pci_stop_dev() to pci_destroy_dev() (Rafael
      Wysocki)

  Host bridge drivers
    - Update maintainers for DesignWare, i.MX6, Armada, R-Car (Bjorn
      Helgaas)
    - mvebu: Return 'unsupported' for Interrupt Line and Interrupt Pin
      (Jason Gunthorpe)

  Miscellaneous
    - Avoid unnecessary CPU switch when calling .probe() (Alexander
      Duyck)
    - Revert "workqueue: allow work_on_cpu() to be called recursively"
      (Bjorn Helgaas)
    - Disable Bus Master only on kexec reboot (Khalid Aziz)
    - Omit PCI ID macro strings to shorten quirk names for LTO (Michal
      Marek)"

* tag 'pci-v3.13-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  MAINTAINERS: Add DesignWare, i.MX6, Armada, R-Car PCI host maintainers
  PCI: Disable Bus Master only on kexec reboot
  PCI: mvebu: Return 'unsupported' for Interrupt Line and Interrupt Pin
  PCI: Omit PCI ID macro strings to shorten quirk names
  PCI: Move device_del() from pci_stop_dev() to pci_destroy_dev()
  Revert "workqueue: allow work_on_cpu() to be called recursively"
  PCI: Avoid unnecessary CPU switch when calling driver .probe() method
This commit is contained in:
Linus Torvalds 2013-12-15 11:45:27 -08:00
commit 9199c4caa1
8 changed files with 103 additions and 46 deletions
Download patch file Download diff file Expand all files Collapse all files

32
kernel/workqueue.c
View file

@ -2851,19 +2851,6 @@ already_gone:
return false;
}
static bool __flush_work(struct work_struct *work)
{
struct wq_barrier barr;
if (start_flush_work(work, &barr)) {
wait_for_completion(&barr.done);
destroy_work_on_stack(&barr.work);
return true;
} else {
return false;
}
}
/**
* flush_work - wait for a work to finish executing the last queueing instance
* @work: the work to flush
@ -2877,10 +2864,18 @@ static bool __flush_work(struct work_struct *work)
*/
bool flush_work(struct work_struct *work)
{
struct wq_barrier barr;
lock_map_acquire(&work->lockdep_map);
lock_map_release(&work->lockdep_map);
return __flush_work(work);
if (start_flush_work(work, &barr)) {
wait_for_completion(&barr.done);
destroy_work_on_stack(&barr.work);
return true;
} else {
return false;
}
}
EXPORT_SYMBOL_GPL(flush_work);
@ -4832,14 +4827,7 @@ long work_on_cpu(int cpu, long (*fn)(void *), void *arg)
INIT_WORK_ONSTACK(&wfc.work, work_for_cpu_fn);
schedule_work_on(cpu, &wfc.work);
/*
* The work item is on-stack and can't lead to deadlock through
* flushing. Use __flush_work() to avoid spurious lockdep warnings
* when work_on_cpu()s are nested.
*/
__flush_work(&wfc.work);
flush_work(&wfc.work);
return wfc.ret;
}
EXPORT_SYMBOL_GPL(work_on_cpu);