search for: lock_events

Displaying 3 results from an estimated 3 matches for "lock_events".

2020 Jul 02
1
[PATCH 6/8] powerpc/pseries: implement paravirt qspinlocks for SPLPAR
...hed .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp at intel.com> All errors (new ones prefixed by >>): kernel/locking/lock_events.c:61:16: warning: no previous prototype for 'lockevent_read' [-Wmissing-prototypes] 61 | ssize_t __weak lockevent_read(struct file *file, char __user *user_buf, | ^~~~~~~~~~~~~~ kernel/locking/lock_events.c: In function 'skip_lockevent': >> ker...
2020 Apr 08
0
[RFC PATCH 00/26] Runtime paravirt patching
...| 12 + > include/asm-generic/vmlinux.lds.h | 8 + > include/linux/kvm_para.h | 5 + > include/linux/mm.h | 16 +- > include/linux/preempt.h | 17 + > include/uapi/linux/kvm.h | 4 + > kernel/locking/lock_events.c | 2 +- > mm/memory.c | 9 +- > 32 files changed, 1850 insertions(+), 221 deletions(-) > create mode 100644 arch/x86/kernel/pv_selftest.c > create mode 100644 arch/x86/kernel/pv_selftest.h > Quite a lot of code churn and hacks for a pr...
2020 Jul 02
12
[PATCH 0/8] powerpc: queued spinlocks and rwlocks
This series adds an option to use queued spinlocks for powerpc, and makes it the default for the Book3S-64 subarch. This effort starts with the generic code so it's very simple but still very performant. There are optimisations that can be made to slowpaths, but I think it's better to attack those incrementally if/when we find things, and try to add the improvements to generic code as