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d="scan'208";a="11183715" From: Roger Pau Monne To: Date: Fri, 10 Jan 2020 17:04:02 +0100 Message-ID: <20200110160404.15573-2-roger.pau@citrix.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200110160404.15573-1-roger.pau@citrix.com> References: <20200110160404.15573-1-roger.pau@citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v2 1/3] x86/hvm: allow ASID flush when v != current X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Wei Liu , Jan Beulich , Roger Pau Monne Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Q3VycmVudCBpbXBsZW1lbnRhdGlvbiBvZiBodm1fYXNpZF9mbHVzaF92Y3B1IGlzIG5vdCBzYWZl IHRvIHVzZQp1bmxlc3MgdGhlIHRhcmdldCB2Q1BVIGlzIGVpdGhlciBwYXVzZWQgb3IgdGhlIGN1 cnJlbnRseSBydW5uaW5nIG9uZSwKYXMgaXQgbW9kaWZpZXMgdGhlIGdlbmVyYXRpb24gd2l0aG91 dCBhbnkgbG9ja2luZy4KCkZpeCB0aGlzIGJ5IHVzaW5nIGF0b21pYyBvcGVyYXRpb25zIHdoZW4g YWNjZXNzaW5nIHRoZSBnZW5lcmF0aW9uCmZpZWxkLCBib3RoIGluIGh2bV9hc2lkX2ZsdXNoX3Zj cHVfYXNpZCBhbmQgb3RoZXIgQVNJRCBmdW5jdGlvbnMuIFRoaXMKYWxsb3dzIHRvIHNhZmVseSBm bHVzaCB0aGUgY3VycmVudCBBU0lEIGdlbmVyYXRpb24uIE5vdGUgdGhhdCBmb3IgdGhlCmZsdXNo IHRvIHRha2UgZWZmZWN0IGlmIHRoZSB2Q1BVIGlzIGN1cnJlbnRseSBydW5uaW5nIGEgdm1leGl0 IGlzCnJlcXVpcmVkLgoKTm90ZSB0aGUgc2FtZSBjb3VsZCBiZSBhY2hpZXZlZCBieSBpbnRyb2R1 Y2luZyBhbiBleHRyYSBmaWVsZCB0bwpodm1fdmNwdV9hc2lkIHRoYXQgc2lnbmFscyBodm1fYXNp ZF9oYW5kbGVfdm1lbnRlciB0aGUgbmVlZCB0byBjYWxsCmh2bV9hc2lkX2ZsdXNoX3ZjcHUgb24g dGhlIGdpdmVuIHZDUFUgYmVmb3JlIHZtZW50cnksIHRoaXMgaG93ZXZlcgpzZWVtcyB1bm5lY2Vz c2FyeSBhcyBodm1fYXNpZF9mbHVzaF92Y3B1IGl0c2VsZiBvbmx5IHNldHMgdHdvIHZDUFUKZmll bGRzIHRvIDAsIHNvIHRoZXJlJ3Mgbm8gbmVlZCB0byBkZWxheSB0aGlzIHRvIHRoZSB2bWVudHJ5 IEFTSUQKaGVscGVyLgoKVGhpcyBpcyBub3QgYSBidWdmaXggYXMgbm8gY2FsbGVycyB0aGF0IHdv dWxkIHZpb2xhdGUgdGhlIGFzc3VtcHRpb25zCmxpc3RlZCBpbiB0aGUgZmlyc3QgcGFyYWdyYXBo IGhhdmUgYmVlbiBmb3VuZCwgYnV0IGEgcHJlcGFyYXRvcnkKY2hhbmdlIGluIG9yZGVyIHRvIGFs bG93IHJlbW90ZSBmbHVzaGluZyBvZiBIVk0gdkNQVXMuCgpTaWduZWQtb2ZmLWJ5OiBSb2dlciBQ YXUgTW9ubsOpIDxyb2dlci5wYXVAY2l0cml4LmNvbT4KLS0tCiB4ZW4vYXJjaC94ODYvaHZtL2Fz aWQuYyB8IDYgKysrLS0tCiAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAzIGRlbGV0 aW9ucygtKQoKZGlmZiAtLWdpdCBhL3hlbi9hcmNoL3g4Ni9odm0vYXNpZC5jIGIveGVuL2FyY2gv eDg2L2h2bS9hc2lkLmMKaW5kZXggOWQzYzY3MWE1Zi4uODBiNzNkYTg5YiAxMDA2NDQKLS0tIGEv eGVuL2FyY2gveDg2L2h2bS9hc2lkLmMKKysrIGIveGVuL2FyY2gveDg2L2h2bS9hc2lkLmMKQEAg LTgyLDcgKzgyLDcgQEAgdm9pZCBodm1fYXNpZF9pbml0KGludCBuYXNpZHMpCiAKIHZvaWQgaHZt X2FzaWRfZmx1c2hfdmNwdV9hc2lkKHN0cnVjdCBodm1fdmNwdV9hc2lkICphc2lkKQogewotICAg IGFzaWQtPmdlbmVyYXRpb24gPSAwOworICAgIHdyaXRlX2F0b21pYygmYXNpZC0+Z2VuZXJhdGlv biwgMCk7CiB9CiAKIHZvaWQgaHZtX2FzaWRfZmx1c2hfdmNwdShzdHJ1Y3QgdmNwdSAqdikKQEAg LTEyMCw3ICsxMjAsNyBAQCBib29sX3QgaHZtX2FzaWRfaGFuZGxlX3ZtZW50ZXIoc3RydWN0IGh2 bV92Y3B1X2FzaWQgKmFzaWQpCiAgICAgICAgIGdvdG8gZGlzYWJsZWQ7CiAKICAgICAvKiBUZXN0 IGlmIFZDUFUgaGFzIHZhbGlkIEFTSUQuICovCi0gICAgaWYgKCBhc2lkLT5nZW5lcmF0aW9uID09 IGRhdGEtPmNvcmVfYXNpZF9nZW5lcmF0aW9uICkKKyAgICBpZiAoIHJlYWRfYXRvbWljKCZhc2lk LT5nZW5lcmF0aW9uKSA9PSBkYXRhLT5jb3JlX2FzaWRfZ2VuZXJhdGlvbiApCiAgICAgICAgIHJl dHVybiAwOwogCiAgICAgLyogSWYgdGhlcmUgYXJlIG5vIGZyZWUgQVNJRHMsIG5lZWQgdG8gZ28g dG8gYSBuZXcgZ2VuZXJhdGlvbiAqLwpAQCAtMTM0LDcgKzEzNCw3IEBAIGJvb2xfdCBodm1fYXNp ZF9oYW5kbGVfdm1lbnRlcihzdHJ1Y3QgaHZtX3ZjcHVfYXNpZCAqYXNpZCkKIAogICAgIC8qIE5v dyBndWFyYW50ZWVkIHRvIGJlIGEgZnJlZSBBU0lELiAqLwogICAgIGFzaWQtPmFzaWQgPSBkYXRh LT5uZXh0X2FzaWQrKzsKLSAgICBhc2lkLT5nZW5lcmF0aW9uID0gZGF0YS0+Y29yZV9hc2lkX2dl bmVyYXRpb247CisgICAgd3JpdGVfYXRvbWljKCZhc2lkLT5nZW5lcmF0aW9uLCBkYXRhLT5jb3Jl X2FzaWRfZ2VuZXJhdGlvbik7CiAKICAgICAvKgogICAgICAqIFdoZW4gd2UgYXNzaWduIEFTSUQg MSwgZmx1c2ggYWxsIFRMQiBlbnRyaWVzIGFzIHdlIGFyZSBzdGFydGluZyBhIG5ldwotLSAKMi4y NC4xCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVu LWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6 Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==