This patch series changes the grant table locking to a more fain grained locking protocol. The result is a performance boost measured with blkfront/blkback. Document the locking protocol.
v3: * Addressed gnttab_swap_grant_ref() comment from Andrew Cooper v2: * Add arm part per request from Julien Grall Christoph Egger (1): gnttab: Introduce rwlock to protect updates to grant table state Matt Wilson (1): gnttab: refactor locking for scalability docs/misc/grant-tables.txt | 49 ++++++- xen/arch/arm/mm.c | 4 +- xen/arch/x86/mm.c | 4 +- xen/common/grant_table.c | 321 +++++++++++++++++++++++++---------------- xen/include/xen/grant_table.h | 9 +- 5 files changed, 258 insertions(+), 129 deletions(-) -- 1.7.9.5 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
