From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Mackerras Subject: Re: [RFC PATCH] KVM: PPC: BOOK3S: HV: THP support for guest Date: Tue, 6 May 2014 14:20:58 +1000 Message-ID: <20140506042058.GA25186@drongo> References: <1399224616-25142-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <53677834.5010808@suse.de> <87lhug9taz.fsf@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: linuxppc-dev@lists.ozlabs.org, Alexander Graf , kvm-ppc@vger.kernel.org, kvm@vger.kernel.org To: "Aneesh Kumar K.V" Return-path: Content-Disposition: inline In-Reply-To: <87lhug9taz.fsf@linux.vnet.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" List-Id: kvm.vger.kernel.org T24gTW9uLCBNYXkgMDUsIDIwMTQgYXQgMDg6MTc6MDBQTSArMDUzMCwgQW5lZXNoIEt1bWFyIEsu ViB3cm90ZToKPiBBbGV4YW5kZXIgR3JhZiA8YWdyYWZAc3VzZS5kZT4gd3JpdGVzOgo+IAo+ID4g T24gMDUvMDQvMjAxNCAwNzozMCBQTSwgQW5lZXNoIEt1bWFyIEsuViB3cm90ZToKPiA+PiBTaWdu ZWQtb2ZmLWJ5OiBBbmVlc2ggS3VtYXIgSy5WIDxhbmVlc2gua3VtYXJAbGludXgudm5ldC5pYm0u Y29tPgo+ID4KPiA+IE5vIHBhdGNoIGRlc2NyaXB0aW9uLCBubyBwcm9wZXIgZXhwbGFuYXRpb25z IGFueXdoZXJlIHdoeSB5b3UncmUgZG9pbmcgCj4gPiB3aGF0LiBBbGwgb2YgdGhhdCBpbiBhIHBy ZXR0eSBzZW5zaXRpdmUgcGllY2Ugb2YgY29kZS4gVGhlcmUncyBubyB3YXkgCj4gPiB0aGlzIHBh dGNoIGNhbiBnbyB1cHN0cmVhbSBpbiBpdHMgY3VycmVudCBmb3JtLgo+ID4KPiAKPiBTb3JyeSBh Ym91dCBiZWluZyB2YWd1ZS4gV2lsbCBhZGQgYSBiZXR0ZXIgY29tbWl0IG1lc3NhZ2UuIFRoZSBn b2FsIGlzCj4gdG8gZXhwb3J0IE1QU1Mgc3VwcG9ydCB0byBndWVzdCBpZiB0aGUgaG9zdCBzdXBw b3J0IHRoZSBzYW1lLiBNUFNTCj4gc3VwcG9ydCBpcyBleHBvcnRlZCB2aWEgcGVuYyBlbmNvZGlu ZyBpbiAiaWJtLHNlZ21lbnQtcGFnZS1zaXplcyIuIFRoZQo+IGFjdHVhbCBmb3JtYXQgY2FuIGJl IGZvdW5kIGF0IGh0YWJfZHRfc2Nhbl9wYWdlX3NpemVzLiBXaGVuIHRoZSBndWVzdAo+IG1lbW9y eSBpcyBiYWNrZWQgYnkgaHVnZXRsYmZzIHdlIGV4cG9zZSB0aGUgcGVuYyBlbmNvZGluZyB0aGUg aG9zdAo+IHN1cHBvcnQgdG8gZ3Vlc3QgdmlhIGt2bXBwY19hZGRfc2VnX3BhZ2Vfc2l6ZS4gCgpJ biBhIGNhc2UgbGlrZSB0aGlzIGl0J3MgZ29vZCB0byBhc3N1bWUgdGhlIHJlYWRlciBkb2Vzbid0 IGtub3cgdmVyeQptdWNoIGFib3V0IFBvd2VyIENQVXMsIGFuZCBwcm9iYWJseSBpc24ndCBmYW1p bGlhciB3aXRoIGFjcm9ueW1zIHN1Y2gKYXMgTVBTUy4gIFRoZSBwYXRjaCBuZWVkcyBhbiBpbnRy b2R1Y3RvcnkgcGFyYWdyYXBoIGV4cGxhaW5pbmcgdGhhdCBvbgpyZWNlbnQgSUJNIFBvd2VyIENQ VXMsIHdoaWxlIHRoZSBoYXNoZWQgcGFnZSB0YWJsZSBpcyBsb29rZWQgdXAgdXNpbmcKdGhlIHBh Z2Ugc2l6ZSBmcm9tIHRoZSBzZWdtZW50YXRpb24gaGFyZHdhcmUgKGkuZS4gdGhlIFNMQiksIGl0 IGlzCnBvc3NpYmxlIHRvIGhhdmUgdGhlIEhQVCBlbnRyeSBpbmRpY2F0ZSBhIGxhcmdlciBwYWdl IHNpemUuICBUaHVzIGZvcgpleGFtcGxlIGl0IGlzIHBvc3NpYmxlIHRvIHB1dCBhIDE2TUIgcGFn ZSBpbiBhIDY0a0Igc2VnbWVudCwgYnV0IHNpbmNlCnRoZSBoYXNoIGxvb2t1cCBpcyBkb25lIHVz aW5nIGEgNjRrQiBwYWdlIHNpemUsIGl0IG1heSBiZSBuZWNlc3NhcnkgdG8KcHV0IG11bHRpcGxl IGVudHJpZXMgaW4gdGhlIEhQVCBmb3IgYSBzaW5nbGUgMTZNQiBwYWdlLiAgVGhpcwpjYXBhYmls aXR5IGlzIGNhbGxlZCBtaXhlZCBwYWdlLXNpemUgc2VnbWVudCAoTVBTUykuICBXaXRoIE1QU1Ms CnRoZXJlIGFyZSB0d28gcmVsZXZhbnQgcGFnZSBzaXplczogdGhlIGJhc2UgcGFnZSBzaXplLCB3 aGljaCBpcyB0aGUKc2l6ZSB1c2VkIGluIHNlYXJjaGluZyB0aGUgSFBULCBhbmQgdGhlIGFjdHVh bCBwYWdlIHNpemUsIHdoaWNoIGlzIHRoZQpzaXplIGluZGljYXRlZCBpbiB0aGUgSFBUIGVudHJ5 LiAgTm90ZSB0aGF0IHRoZSBhY3R1YWwgcGFnZSBzaXplIGlzCmFsd2F5cyA+PSBiYXNlIHBhZ2Ug c2l6ZS4KCj4gTm93IHRoZSBjaGFsbGVuZ2UgdG8gVEhQIHN1cHBvcnQgaXMgdG8gbWFrZSBzdXJl IHRoYXQgb3VyIGhlbnRlciwKPiBocmVtb3ZlIGV0YyBkZWNvZGUgYmFzZSBwYWdlIHNpemUgYW5k IGFjdHVhbCBwYWdlIHNpemUgY29ycmVjdGx5Cj4gZnJvbSB0aGUgaGFzaCB0YWJsZSBlbnRyeSB2 YWx1ZXMuIE1vc3Qgb2YgdGhlIGNoYW5nZXMgaXMgdG8gZG8gdGhhdC4KPiBSZXN0IG9mIHRoZSBz dHVmZiBpcyBhbHJlYWR5IGhhbmRsZWQgYnkga3ZtLiAKPiAKPiBOT1RFOiBJdCBpcyBtdWNoIGVh c2llciB0byByZWFkIHRoZSBjb2RlIGFmdGVyIGFwcGx5aW5nIHRoZSBwYXRjaCByYXRoZXIKPiB0 aGFuIHJlYWRpbmcgdGhlIGRpZmYuIEkgaGF2ZSBhZGRlZCBjb21tZW50cyBhcm91bmQgZWFjaCBz dGVwcyBpbiB0aGUKPiBjb2RlLgoKUGF1bC4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KTGludXhwcGMtZGV2IG1haWxpbmcgbGlzdApMaW51eHBwYy1kZXZA bGlzdHMub3psYWJzLm9yZwpodHRwczovL2xpc3RzLm96bGFicy5vcmcvbGlzdGluZm8vbGludXhw cGMtZGV2