[v4,0/2] x86: scratch cpumask fixes/improvement

Message

Roger Pau Monné Feb. 28, 2020, 9:33 a.m. UTC

Hello,

Following series contain yet one more bugfix that removes the usage of
the scratch cpumask in send_IPI_mask and the introduction of accessors
to get/put the per-CPU scratch cpumask in order to prevent such issues
form happening in the future.

Thanks, Roger.

Roger Pau Monne (2):
  x86/smp: use a dedicated CPU mask in send_IPI_mask
  x86: add accessors for scratch cpu mask

 xen/arch/x86/io_apic.c    |  6 ++++--
 xen/arch/x86/irq.c        | 14 ++++++++++----
 xen/arch/x86/mm.c         | 40 +++++++++++++++++++++++++++------------
 xen/arch/x86/msi.c        |  4 +++-
 xen/arch/x86/smp.c        | 29 +++++++++++++++++++++++++++-
 xen/arch/x86/smpboot.c    | 10 ++++++++--
 xen/include/asm-x86/smp.h | 14 ++++++++++++++
 7 files changed, 95 insertions(+), 22 deletions(-)