From mboxrd@z Thu Jan 1 00:00:00 1970 From: Punit Agrawal Subject: [For Xen-4.10 RFC PATCH 0/3] Reduce unnecessary icache maintenance operations Date: Fri, 31 Mar 2017 11:24:21 +0100 Message-ID: <20170331102424.11869-1-punit.agrawal@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: sstabellini@kernel.org, wei.liu2@citrix.com, George.Dunlap@eu.citrix.com, andrew.cooper3@citrix.com, Punit Agrawal , tim@xen.org, julien.grall@arm.com, jbeulich@suse.com, ian.jackson@eu.citrix.com List-Id: xen-devel@lists.xenproject.org SGksCgpBbHRob3VnaCBpY2FjaGUgbWFpbnRlbmFuY2Ugb3BlcmF0aW9ucyBhcmUgcmVxdWlyZWQg d2hlbiBjaGFuZ2luZyBwYWdlCnRhYmxlIG1hcHBpbmdzLCBpbiBjZXJ0YWluIHNpdHVhdGlvbnMg dGhleSBhcmUgYmVpbmcgY2FsbGVkIGZhciBtb3JlCmZyZXF1ZW50bHkgdGhhbiBuZWNlc3Nhcnku CgpBcyBpY2FjaGUgbWFpbnRlbmFuY2UgaGFzIGEgcGVyZm9ybWFuY2UgcGVuYWx0eSwgb25lIHRo YXQgaW5jcmVhc2VzCndpdGggdGhlIG51bWJlciBvZiBjb3JlcyBpbiB0aGUgc3lzdGVtLCB0aGlz IFJGQyBhdHRlbXB0cyB0byBpbXByb3ZlCnRoZSBzaXR1YXRpb24gYnkgaG9pc3Rpbmcga25vd2xl ZGdlIG9mIHJlcXVpcmVkIGljYWNoZSBtYWludGVuYW5jZQpvcGVyYXRpb25zIHRvIGhpZ2hlciBs YXllcnMuCgpQYXRjaCAxIGFkZHMgYSBwYXJhbWV0ZXIgdG8gZmx1c2hfcGFnZV90b19yYW0oKSB0 byBwcmV2ZW50IHBlcmZvcm1pbmcKaWNhY2hlIG1haW50ZW5hbmNlIHBlciBwYWdlLiBDdXJyZW50 IGNhbGxzIHRvIGZsdXNoX3BhZ2VfdG9fcmFtKCkgbG9vcApvdmVyIHBhZ2VzIGFuZCBwZXJmb3Jt aW5nIGEgZnVsbCBpY2FjaGUgZmx1c2ggZm9yIGVhY2ggcGFnZSBpcwpleGNlc3NpdmUuCgpQYXRj aCAyIGhvaXN0cyBpY2FjaGUgbWFpbnRlbmFuY2UgZnJvbSBmbHVzaF9wYWdlX3RvX3JhbSgpIHRv CnAybV9jYWNoZV9mbHVzaCgpLgoKUGF0Y2ggMyBpbnRyb2R1Y2VzIGEgbmV3IE1FTUZfIGZsYWcg dG8gaW5kaWNhdGUgdG8gYWxsb2NfaGVhcF9wYWdlcygpCnRoYXQgaWNhY2hlIG1haW50ZW5hbmNl IHdpbGwgYmUgcGVyZm9ybWVkIGJ5IHRoZSBjYWxsZXIuIFRoZSBpY2FjaGUKbWFpbnRlbmFuY2Ug b3BlcmF0aW9ucyBhcmUgcGVyZm9ybWVkIGluIHBvcHVsYXRlX3BoeXNtYXAoKS4gQXMgSQpjb3Vs ZG4ndCBpY2FjaGUgbWFpbnRlbmFuY2Ugb3BlcmF0aW9ucyBmb3IgeDg2LCBhbiBlbXB0eSBoZWxw ZXIgaXMKaW50cm9kdWNlZC4KCklzIGl0IHJlYXNvbmFibGUgdG8gbW92ZSBjYWNoZSBtYWludGVu YW5jZSBvcGVyYXRpb24gdG8gaGlnaGVyIGxheWVycz8KVGhlIGFsdGVybmF0aXZlIHdvdWxkIGJl IHBlcmZvcm0gY2FjaGUgbWFpbnRlbmFuY2Ugb3BlcmF0aW9ucyBvbgpyYW5nZXMgbGFyZ2VyIHRo YW4gcGFnZSBzaXplIGJ1dCB0aGUgYmVuZWZpdCAocmVkdWNlZCBpY2FjaGUKb3BlcmF0aW9ucykg bWlnaHQgbm90IGJlIGVxdWl2YWxlbnQuCgpUaGlzIGlzIG15IGZpcnN0IGNvbnRyaWJ1dGlvbiB0 byBYZW4sIHNvIHBsZWFzZSBnbyBnZW50bGUgaWYgSSd2ZQptaXNzZWQgc29tZXRoaW5nIG9idmlv dXMuCgpUaGFua3MsClB1bml0CgpQdW5pdCBBZ3Jhd2FsICgzKToKICBBbGxvdyBjb250cm9sIG9m IGljYWNoZSBpbnZhbGlkYXRpb25zIHdoZW4gY2FsbGluZyBmbHVzaF9wYWdlX3RvX3JhbSgpCiAg YXJtOiBwMm06IFByZXZlbnQgcmVkdW5kYW50IGljYWNoZSBmbHVzaGVzCiAgUHJldmVudCByZWR1 bmRhbnQgaWNhY2hlIGZsdXNoZXMgaW4gcG9wdWxhdGVfcGh5c21hcCgpCgogeGVuL2FyY2gvYXJt L21tLmMgICAgICAgICAgICAgIHwgNSArKystLQogeGVuL2FyY2gvYXJtL3AybS5jICAgICAgICAg ICAgIHwgNCArKystCiB4ZW4vY29tbW9uL21lbW9yeS5jICAgICAgICAgICAgfCA2ICsrKysrKwog eGVuL2NvbW1vbi9wYWdlX2FsbG9jLmMgICAgICAgIHwgMiArLQogeGVuL2luY2x1ZGUvYXNtLWFy bS9wYWdlLmggICAgIHwgMiArLQogeGVuL2luY2x1ZGUvYXNtLXg4Ni9mbHVzaHRsYi5oIHwgMiAr LQogeGVuL2luY2x1ZGUvYXNtLXg4Ni9wYWdlLmggICAgIHwgNCArKysrCiB4ZW4vaW5jbHVkZS94 ZW4vbW0uaCAgICAgICAgICAgfCAyICsrCiA4IGZpbGVzIGNoYW5nZWQsIDIxIGluc2VydGlvbnMo KyksIDYgZGVsZXRpb25zKC0pCgotLSAKMi4xMS4wCgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA bGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==