From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [RFC 16/16] xen/arm: Track page accessed between batch of Set/Way operations Date: Tue, 09 Oct 2018 05:43:14 -0600 Message-ID: <5BBC945202000078001EFFB1@prv1-mh.provo.novell.com> References: <20181008183352.16291-1-julien.grall@arm.com> <20181008183352.16291-17-julien.grall@arm.com> <5BBC52E102000078001EFD56@prv1-mh.provo.novell.com> <2ba55aa4-1e24-f817-8101-8641f8a1154a@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <2ba55aa4-1e24-f817-8101-8641f8a1154a@arm.com> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Julien Grall Cc: Tim Deegan , Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , andre.przywara@linaro.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org Pj4+IE9uIDA5LjEwLjE4IGF0IDEyOjE2LCA8anVsaWVuLmdyYWxsQGFybS5jb20+IHdyb3RlOgo+ IE9uIDA5LzEwLzIwMTggMDg6MDQsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+PiBPbiAwOC4xMC4x OCBhdCAyMDozMywgPGp1bGllbi5ncmFsbEBhcm0uY29tPiB3cm90ZToKPj4+IFRoaXMgcGF0Y2gg YWRkcyBhIG5ldyBwZXItYXJjaCBoZWxwZXIgaXMgaW50cm9kdWNlZCB0byBwZXJmb3JtIGFjdGlv bnMganVzdAo+Pj4gYmVmb3JlIHRoZSBndWVzdCBpcyBmaXJzdCB1bnBhdXNlZC4gVGhpcyB3aWxs IGJlIHVzZWQgdG8gaW52YWxpZGF0ZSB0aGUKPj4+IFAyTSB0byB0cmFjayBhY2Nlc3MgZnJvbSB0 aGUgc3RhcnQgb2YgdGhlIGd1ZXN0Lgo+PiAKPj4gV2hpbGUgSSdtIG5vdCBvcHBvc2VkIHRvIHRo ZSBuZXcgYXJjaCBob29rLCB3aHkgZG9uJ3QgeW91IGNyZWF0ZSB0aGUKPj4gcDJtIGVudHJpZXMg aW4gdGhlaXIgaW50ZW5kZWQgc3RhdGUgcmlnaHQgYXdheT8gQXQgdGhlIHZlcnkgbGVhc3QgdGhp cwo+PiB3b3VsZCBoYXZlIHRoZSBiZW5lZml0IG9mIGNvbmZpbmluZyB0aGUgZW50aXJlIGNoYW5n ZSB0byBBcm0gY29kZS4KPiAKPiBMZXQgbWUgc3RhcnQgYnkgc2F5aW5nIEkgdGhpbmsgaGF2aW5n IGEgaG9vayB0byBwZXJmb3JtIGFuIGFjdGlvbiBvbmNlIAo+IHRoZSBWTSBoYXMgYmVlbiBmdWxs eSBjcmVhdGVkIGlzIHF1aXRlIHVzZWZ1bC4gRm9yIGluc3RhbmNlLCB0aGlzIGNvdWxkIAo+IGJl IHVzZWQgb24gQXJtIHRvIGxpbWl0IHRoZSBpbnZhbGlkYXRpb24gb2YgdGhlIGljYWNoZS4gQXQg dGhlIG1vbWVudCwgCj4gd2UgaW52YWxpZGF0ZSB0aGUgaWNhY2hlIGZvciBldmVyeSBwb3B1bGF0 ZSBtZW1vcnkgaHlwZXJjYWxsLiBUaGlzIGlzIAo+IHF1aXRlIGEgd2FzdGUgb2YgY3ljbGUuCgpB cyBzYWlkIC0gSSdtIG5vdCBvcHBvc2VkIHRvIHN1Y2ggYSBob29rIGluIHByaW5jaXBsZSwgYnV0 IEknZCBsaWtlCnRvIHVuZGVyc3RhbmQgdGhlIHJlYXNvbnMgKGFuZCBpbiBwYXJ0aWN1bGFyIHdo ZXRoZXIgdGhlcmUncyBhbgphbHRlcm5hdGl2ZSB3aXRob3V0IGludHJvZHVjaW5nIHN1Y2ggYSBo b29rKS4KCj4gSW4gdGhpcyBwYXJ0aWN1bGFyIGNpcmN1bXN0YW5jZSwgSSB3b3VsZCBzdGlsbCBs aWtlIHRvIHVzZSB0aGUgaGFyZHdhcmUgCj4gZm9yIHdhbGtpbmcgdGhlIHBhZ2UtdGFibGVzIGR1 cmluZyB0aGUgZG9tYWluIGNyZWF0aW9uIChpLmUgd2hlbiBjb3B5IAo+IGJpbmFyeSBvdmVyKS4g VGhpcyB3b3VsZCBub3QgYmUgcG9zc2libGUgaWYgd2UgY3JlYXRlIHRoZSBlbnRyeSB3aXRoIAo+ IHZhbGlkIGJpdCB1bnNldC4KClRoaXMgbXVzdCBiZSBzb21ldGhpbmcgQXJtIHNwZWNpZmljLCBz aW5jZSBhZmFpdSB3ZSdyZSB0YWxraW5nIGFib3V0CmFyYml0cmFyeSBkb21haW4gY3JlYXRpb24g aGVyZSwgbm90IGp1c3QgRG9tMC4gT24geDg2IGl0IHdvdWxkIGJlCmJhc2ljYWxseSBpbXBvc3Np YmxlIHRvIHJlLXVzZSB0aGUgcGFnZSB0YWJsZXMgY3JlYXRlZCBmb3IgdGhlIGd1ZXN0CnRvIGFj Y2VzcyBndWVzdCBtZW1vcnkgZnJvbSB0aGUgY29udHJvbCBkb21haW4uIChJdCBjb3VsZCBiZSBt YWRlCndvcmsgYnkgaW5zZXJ0aW5nIHN1Yi10cmVlcyBpbnRvIHRoZSBjb250cm9sIGRvbWFpbidz IHBhZ2UgdGFibGVzLApidXQgb2J2aW91c2x5IHRoZXJlIHdvdWxkIGJlIGEgZmFpciBjaGFuY2Ug b2YgY29uZmxpY3QgYmV0d2VlbiB0aGUKdmlydHVhbCBhZGRyZXNzZXMgdGhlIGNvbnRyb2wgZG9t YWluIHVzZXMgZm9yIGl0cyBvd24gcHVycG9zZXMgYW5kCnRoZSBvbmVzIHdoZXJlIHRoZSBkZXN0 aW5hdGlvbiByYW5nZSBpbiB0aGUgZG9tYWluIGJlaW5nIGNyZWF0ZWQKc2l0cykuCgo+IEZ1cnRo ZXJtb3JlLCB3ZSBkb24ndCBuZWVkIHRvIGNyZWF0ZSBlbnRyeSB3aXRoIHZhbGlkIGJpdCB1bnNl dCBvbmNlIHRoZSAKPiBndWVzdCBpcyBydW5uaW5nLiBTbyB3ZSB3b3VsZCBuZWVkIHRvIGNoZWNr IGluIHRoZSBQMk0gY29kZSB3aGV0aGVyIHRoZSAKPiBndWVzdCBpcyBydW5uaW5nIGFuZCB3aGV0 aGVyIElPTU1VIGlzIGVuYWJsZWQuCgpXZWxsLCBsb29raW5nIGF0IHRoZSBwYXRjaCBjb250ZXh0 IG9mIHlvdXIgY2hhbmdlLCBpdCBpcyBxdWl0ZSBjbGVhcgp0aGF0IHRoaXMgd291bGQgYmUgcHJl dHR5IGVhc3kgLSBzaW1wbHkgdGFraW5nIGQtPmNyZWF0aW9uX2ZpbmlzaGVkCmludG8gYWNjb3Vu dC4KCkphbgoKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwpo dHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVuLWRldmVs