[Xen-devel] [PATCH 3.4 056/107] x86/ldt: Make modify_ldt synchronous

es in switch_mm() - Drop changes to get_segment_base() in arch/x86/kernel/cpu/perf_event.c - Open-code lockless_dereference(), smp_store_release(), on_each_cpu_mask()] Signed-off-by: Ben Hutchings [lizf: Backported to 3.4: adjust context] Signed-off-by: Zefan Li --- arch/x86/include/asm/desc.h

[Xen-devel] [PATCH 3.4 055/107] x86/xen: Probe target addresses in set_aliased_prot() before the hypercall

From: Andy Lutomirski 3.4.111-rc1 review patch. If anyone has any objections, please let me know. -- commit aa1acff356bbedfd03b544051f5b371746735d89 upstream. The update_va_mapping hypercall can fail if the VA isn't present in the guest's page tables. Under certain loads, th

[Xen-devel] [PATCH 3.4 165/172] config: Enable NEED_DMA_MAP_STATE by default when SWIOTLB is selected

vnet.ibm.com Cc: david.vra...@citrix.com Cc: sanje...@broadcom.com Cc: siva.kal...@broadcom.com Cc: vyasev...@gmail.com Cc: xen-de...@lists.xensource.com Link: http://lkml.kernel.org/r/20150417190448.ga9...@l.oracle.com Signed-off-by: Ingo Molnar Cc: Ben Hutchings [lizf: Backported to 3.4: adju