[Xen-devel] [PATCH] iommu/quirk: disable shared EPT for Sandybridge and earlier processors.

2015-11-24 Thread Anshul Makkar anshul.makkar
From: Anshul Makkar Sandybridge or earlier processors don't have huge page support for IOTLB which leads to fallback on 4k pages and causes performance issues. Shared EPT will be disabled only if the user has not provided explicit choice on the command line. Signed-off-by: Anshul Makkar --- v2

[Xen-devel] [PATCH] credi2-ratelimit: Implement rate limit for credit2 scheduler

2016-07-06 Thread Anshul Makkar anshul.makkar
From: Anshul Makkar Rate limit assures that a vcpu will execute for a minimum amount of time before being put at the back of a queue or being preempted by higher priority thread. It introduces a minimum amount of latency to enable a VM to batch its work and it also ensures that system is not spe

[Xen-devel] [PATCH] XSM/policy: Allow the source domain access to settime and setdomainhandle domctls while creating domain.

2016-07-07 Thread Anshul Makkar anshul.makkar
From: Anshul Makkar This patch resolves the following permission denied scenarios while creating new domU : avc: denied { setdomainhandle } for domid=0 target=1 scontext=system_u:system_r:dom0_t tcontext=system_u:system_r:domU_t tclass=domain avc: denied { settime } for domid=0 target=1 sco