From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: [PATCH v3 4/4] x86/asm: Rewrite sync_core() to use IRET-to-self Date: Tue, 6 Dec 2016 11:32:00 -0800 Message-ID: <32e056b6-378f-a461-dfcd-442b582763a9@zytor.com> References: <584688FD02000078001257BB@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <584688FD02000078001257BB@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich , Andy Lutomirski Cc: Juergen Gross , One Thousand Gnomes , Peter Zijlstra , Andrew Cooper , x86@kernel.org, "linux-kernel@vger.kernel.org" , Matthew Whitehead , Borislav Petkov , Henrique de Moraes Holschuh , Brian Gerst , Boris Ostrovsky , xen-devel List-Id: xen-devel@lists.xenproject.org T24gMTIvMDYvMTYgMDA6NDYsIEphbiBCZXVsaWNoIHdyb3RlOgo+PiArCj4+ICsjaWZkZWYgQ09O RklHX1g4Nl8zMgo+PiArCWFzbSB2b2xhdGlsZSAoCj4+ICsJCSJwdXNoZmxcblx0Igo+PiArCQki cHVzaGwgJSVjc1xuXHQiCj4+ICsJCSJwdXNobCAkMWZcblx0Igo+PiArCQkiaXJldFxuXHQiCj4+ ICsJCSIxOiIKPj4gKwkJOiAiK3IiIChfX3NwKSA6IDogImNjIiwgIm1lbW9yeSIpOwo+IAo+IEkg ZG9uJ3QgdGhpbmcgRUZMQUdTIChpLmUuICJjYyIpIGdldHMgbW9kaWZpZWQgYW55d2hlcmUgaGVy ZS4gQW5kCj4gdGhlIG1lbW9yeSBjbG9iYmVyIHdvdWxkIHBlcmhhcHMgYmV0dGVyIGJlIHB1bGxl ZCBvdXQgaW50byBhbgo+IGV4cGxpY2l0IGJhcnJpZXIoKSBpbnZvY2F0aW9uIChtYWtpbmcgaXQg bW9yZSBvYnZpb3VzIHdoYXQgaXQncyBuZWVkZWQKPiBmb3IpPwo+IAoKTm90IHRvIG1lbnRpb24g ImNjIiBkb2Vzbid0IGRvIGFueXRoaW5nIG9uIHg4NiBhdCBhbGwuCgoJLWhwYQoKCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGlu ZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4t ZGV2ZWwK