search for: need_tlbflush

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

2012 Oct 11
14
alloc_heap_pages is low efficient with more CPUs
...ime, occupied 98% of the whole starting time. xen/common/page_alloc.c /* Allocate 2^@order contiguous pages. */ static struct page_info *alloc_heap_pages( unsigned int zone_lo, unsigned int zone_hi, unsigned int node, unsigned int order, unsigned int memflags) { if ( pg[i].u.free.need_tlbflush ) { /* Add in extra CPUs that need flushing because of this page. */ cpus_andnot(extra_cpus_mask, cpu_online_map, mask); tlbflush_filter(extra_cpus_mask, pg[i].tlbflush_timestamp); cpus_or(mask, mask, extra_cpus_mask); } } 1 in the f...
2012 Jan 09
39
[PATCH v4 00/25] xen: ARMv7 with virtualization extensions
Hello everyone, this is the fourth version of the patch series that introduces ARMv7 with virtualization extensions support in Xen. The series allows Xen and Dom0 to boot on a Cortex-A15 based Versatile Express simulator. See the following announce email for more informations about what we are trying to achieve, as well as the original git history: See
2011 Dec 06
57
[PATCH RFC 00/25] xen: ARMv7 with virtualization extensions
Hello everyone, this is the very first version of the patch series that introduces ARMv7 with virtualization extensions support in Xen. The series allows Xen and Dom0 to boot on a Cortex-A15 based Versatile Express simulator. See the following announce email for more informations about what we are trying to achieve, as well as the original git history: See