From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <1427317867.6468.87.camel@kernel.crashing.org> From: Benjamin Herrenschmidt Date: Thu, 26 Mar 2015 08:11:07 +1100 In-Reply-To: <20150325183647.GA9331@gmail.com> References: <20150325121118.GA2542@gmail.com> <20150325183316.GA9090@gmail.com> <20150325183647.GA9331@gmail.com> Mime-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: linuxppc-dev-bounces+geert=linux-m68k.org@lists.ozlabs.org Sender: "Linuxppc-dev" Subject: Re: [PATCH v3 2/2] powerpc/mm: Tracking vDSO remap To: Ingo Molnar Cc: linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Laurent Dufour , user-mode-linux-devel@lists.sourceforge.net, Arnd Bergmann , Jeff Dike , "H. Peter Anvin" , x86@kernel.org, linux-kernel@vger.kernel.org, criu@openvz.org, linux-mm@kvack.org, Ingo Molnar , Paul Mackerras , cov@codeaurora.org, user-mode-linux-user@lists.sourceforge.net, Richard Weinberger , Thomas Gleixner , Guan Xuetao , linuxppc-dev@lists.ozlabs.org List-ID: T24gV2VkLCAyMDE1LTAzLTI1IGF0IDE5OjM2ICswMTAwLCBJbmdvIE1vbG5hciB3cm90ZToKPiAq IEluZ28gTW9sbmFyIDxtaW5nb0BrZXJuZWwub3JnPiB3cm90ZToKPiAKPiA+ID4gKyNkZWZpbmUg X19IQVZFX0FSQ0hfUkVNQVAKPiA+ID4gK3N0YXRpYyBpbmxpbmUgdm9pZCBhcmNoX3JlbWFwKHN0 cnVjdCBtbV9zdHJ1Y3QgKm1tLAo+ID4gPiArCQkJICAgICAgdW5zaWduZWQgbG9uZyBvbGRfc3Rh cnQsIHVuc2lnbmVkIGxvbmcgb2xkX2VuZCwKPiA+ID4gKwkJCSAgICAgIHVuc2lnbmVkIGxvbmcg bmV3X3N0YXJ0LCB1bnNpZ25lZCBsb25nIG5ld19lbmQpCj4gPiA+ICt7Cj4gPiA+ICsJLyoKPiA+ ID4gKwkgKiBtcmVtYXAoKSBkb2Vzbid0IGFsbG93IG1vdmluZyBtdWx0aXBsZSB2bWFzIHNvIHdl IGNhbiBsaW1pdCB0aGUKPiA+ID4gKwkgKiBjaGVjayB0byBvbGRfc3RhcnQgPT0gdmRzb19iYXNl Lgo+ID4gPiArCSAqLwo+ID4gPiArCWlmIChvbGRfc3RhcnQgPT0gbW0tPmNvbnRleHQudmRzb19i YXNlKQo+ID4gPiArCQltbS0+Y29udGV4dC52ZHNvX2Jhc2UgPSBuZXdfc3RhcnQ7Cj4gPiA+ICt9 Cj4gPiAKPiA+IG1yZW1hcCgpIGRvZXNuJ3QgYWxsb3cgbW92aW5nIG11bHRpcGxlIHZtYXMsIGJ1 dCBpdCBhbGxvd3MgdGhlIAo+ID4gbW92ZW1lbnQgb2YgbXVsdGktcGFnZSB2bWFzIGFuZCBpdCBh bHNvIGFsbG93cyBwYXJ0aWFsIG1yZW1hcCgpcywgCj4gPiB3aGVyZSBpdCB3aWxsIHNwbGl0IHVw IGEgdm1hLgo+IAo+IEkuZS4gbXJlbWFwKCkgc3VwcG9ydHMgdGhlIHNocmlua2luZyAoYW5kIGdy b3dpbmcpIG9mIHZtYXMuIEluIHRoYXQgCj4gY2FzZSBtcmVtYXAoKSB3aWxsIHVubWFwIHRoZSBl bmQgb2YgdGhlIHZtYSBhbmQgd2lsbCBzaHJpbmsgdGhlIAo+IHJlbWFpbmluZyB2RFNPIHZtYS4K PiAKPiBEb2Vzbid0IHRoYXQgcmVzdWx0IGluIGEgbm9uLXdvcmtpbmcgdkRTTyB0aGF0IHNob3Vs ZCB6ZXJvIG91dCAKPiB2ZHNvX2Jhc2U/CgpSaWdodC4gTm93IHdlIGNhbid0IGNvbXBsZXRlbHkg cHJldmVudCB0aGUgdXNlciBmcm9tIHNob290aW5nIGl0c2VsZiBpbgp0aGUgZm9vdCBJIHN1cHBv c2UsIHRob3VnaCB0aGVyZSBpcyBhIGxlZ2l0IHVzYWdlIHNjZW5hcmlvIHdoaWNoIGlzIHRvCm1v dmUgdGhlIHZEU08gYXJvdW5kIHdoaWNoIGl0IHdvdWxkIGJlIG5pY2UgdG8gc3VwcG9ydC4gSSB0 aGluayBpdCdzCnJlYXNvbmFibGUgdG8gcHV0IHRoZSBvbnVzIG9uIHRoZSB1c2VyIGhlcmUgdG8g ZG8gdGhlIHJpZ2h0IHRoaW5nLgoKQ2hlZXJzLApCZW4uCgo+IFRoYW5rcywKPiAKPiAJSW5nbwo+ IC0tCj4gVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vi c2NyaWJlIGxpbnV4LWtlcm5lbCIgaW4KPiB0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFqb3Jk b21vQHZnZXIua2VybmVsLm9yZwo+IE1vcmUgbWFqb3Jkb21vIGluZm8gYXQgIGh0dHA6Ly92Z2Vy Lmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtbAo+IFBsZWFzZSByZWFkIHRoZSBGQVEgYXQg IGh0dHA6Ly93d3cudHV4Lm9yZy9sa21sLwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCkxpbnV4cHBjLWRldiBtYWlsaW5nIGxpc3QKTGludXhwcGMtZGV2 QGxpc3RzLm96bGFicy5vcmcKaHR0cHM6Ly9saXN0cy5vemxhYnMub3JnL2xpc3RpbmZvL2xpbnV4 cHBjLWRldg==