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bh=aZ3sxqmD6RAQ9ctUnJs4ASYjd0+zZLz5efI/2VlHMX4=; b=WHnlM8vgwmIJc+EdU7fl+eoNw3DR6UJ7IzZTBrnP1dGBJtfXv2Vkahnga0RTaxtjhq5q1u c7VSklZYYowMtXCQ== From: Thomas Gleixner To: LKML Cc: x86@kernel.org, "Liu, Jing2" , Paolo Bonzini , "Bae, Chang Seok" , Dave Hansen , Arjan van de Ven , kvm@vger.kernel.org, "Nakajima, Jun" , Sean Christopherson Subject: [patch 0/4] x86/fpu/kvm: Sanitize the FPU guest/user handling MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Date: Sun, 17 Oct 2021 19:03:11 +0200 (CEST) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Q3VycmVudGx5IEtWTSBhbGxvY2F0ZXMgdHdvIEZQVSBzdHJ1Y3RzIHdoaWNoIGFyZSB1c2VkIGZv ciBzYXZpbmcgdGhlIHVzZXIKc3RhdGUgb2YgdGhlIHZDUFUgdGhyZWFkIGFuZCByZXN0b3Jpbmcg dGhlIGd1ZXN0IHN0YXRlIHdoZW4gZW50ZXJpbmcKdmNwdV9ydW4oKSBhbmQgZG9pbmcgdGhlIHJl dmVyc2Ugb3BlcmF0aW9uIGJlZm9yZSBsZWF2aW5nIHZjcHVfcnVuKCkuCgpXaXRoIHRoZSBuZXcg ZnBzdGF0ZSBtZWNoYW5pc20gdGhpcyBjYW4gYmUgcmVkdWNlZCB0byBvbmUgZXh0cmEgYnVmZmVy IGJ5CnN3YXBwaW5nIHRoZSBmcHN0YXRlIHBvaW50ZXIgaW4gY3VycmVudDo6dGhyZWFkOjpmcHUu IFRoaXMgbWFrZXMgYWxzbyB0aGUKdXBjb21pbmcgc3VwcG9ydCBmb3IgQU1YIGFuZCBYRkQgc2lt cGxlciBiZWNhdXNlIHRoZW4gZnBzdGF0ZSBpbmZvcm1hdGlvbgooZmVhdHVyZXMsIHNpemVzLCB4 ZmQpIGFyZSBhbHdheXMgY29uc2lzdGVudCBhbmQgaXQgZG9lcyBub3QgcmVxdWlyZSBhbnkKbmFz dHkgd29ya2Fyb3VuZHMuCgpUaGUgZm9sbG93aW5nIHNlcmllcyBjbGVhbnMgdGhhdCB1cCBhbmQg cmVwbGFjZXMgdGhlIGN1cnJlbnQgc2NoZW1lIHdpdGggYQpzaW5nbGUgZ3Vlc3Qgc3RhdGUgd2hp Y2ggaXMgc3dpdGNoZWQgaW4gd2hlbiBlbnRlcmluZyB2Y3B1X3J1bigpIGFuZApzd2l0Y2hlZCBv dXQgYmVmb3JlIGxlYXZpbmcgaXQuCgpUaGUgcmV3b3JrIGlzIHZhbHVhYmxlIGV2ZW4gd2l0aG91 dCBBTVgvWEZEIGJlY2F1c2UgaXQgY29uc3VtZXMgbGVzcyBtZW1vcnkKYW5kIHdoZW4gc3dhcHBp bmcgdGhlIGZwc3RhdGVzIHRoZXJlIGlzIG5vIG1lbW9yeSBjb3B5IHJlcXVpcmVkIHdoZW4KVElG X05FRURfTE9BRF9GUFUgaXMgc2V0IG9uIHRoZSBnb2luZyBvdXQgZnBzdGF0ZS4KClRoZSBzZXJp ZXMgaXMgYmFzZWQgb246CgogIGdpdDovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2Vy bmVsL2dpdC90Z2x4L2RldmVsLmdpdCB4ODYvZnB1LTMKCmFuZCBpcyBub3cgcGFydCBvZiB0aGUg ZnVsbCBBTVggc2VyaWVzOgoKICBnaXQ6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tl cm5lbC9naXQvdGdseC9kZXZlbC5naXQgeDg2L2ZwdQoKT24gdG9wIG9mIHRoYXQgSSd2ZSBpbnRl Z3JhdGVkIHRoZSBLVk0gcmVhbGxvY2F0aW9uIG1lY2hhbmlzbSBpbnRvOgoKICBnaXQ6Ly9naXQu a2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5lbC9naXQvdGdseC9kZXZlbC5naXQgeDg2L2Zw dS1rdm0KClRoZSBsYXR0ZXIgYnVpbGRzLCBib290cyBhbmQgcnVucyBLVk0gZ3Vlc3RzLCBidXQg dGhhdCByZWFsbG9jYXRpb24KZnVuY3Rpb25hbGl0eSBpcyBvYnZpb3VzbHkgY29tcGxldGVseSB1 bnRlc3RlZC4gSSB3YW50IHRvIHNoYXJlIHRoaXMgd2l0aApLVk0gZm9sa3Mgc28gdGhleSBjYW4g c3RhcnQgdG8gbG9vayBob3cgdG8gaW50ZWdyYXRlIHRoZWlyIFhGRC9YQ1IwIGFuZApyZWFsbG9j YXRpb24gc2NoZW1lIGFzIGRpc2N1c3NlZCBhbmQgb3V0bGluZWQgaGVyZToKCiAgIGh0dHBzOi8v bG9yZS5rZXJuZWwub3JnL3IvODdtdG45M3U1OC5mZnNAdGdseAoKYW5kIHRoZSByZWxhdGVkIHRo cmVhZC4gSXQncyBhIHRpbnkgaW5jcmVtZW50YWwgdXBkYXRlIG9uIHRvcCBvZiB4ODYvZnB1ICg2 CmZpbGVzIGNoYW5nZWQsIDE4MyBpbnNlcnRpb25zKCspLCAzNiBkZWxldGlvbnMoLSkpIHdoaWNo IHJldXNlcyB0aGUgaG9zdApzaWRlIG1lY2hhbmlzbXMuCgpUaGFua3MsCgoJdGdseAotLS0KIGlu Y2x1ZGUvYXNtL2ZwdS9hcGkuaCAgIHwgICAxOSArKysrKystLQogaW5jbHVkZS9hc20vZnB1L3R5 cGVzLmggfCAgIDQ0ICsrKysrKysrKysrKysrKysrKy0KIGluY2x1ZGUvYXNtL2t2bV9ob3N0Lmgg IHwgICAgNyAtLS0KIGtlcm5lbC9mcHUvY29yZS5jICAgICAgIHwgIDExMCArKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLS0KIGt2bS9zdm0vc3ZtLmMgICAgICAg ICAgIHwgICAgNyArLS0KIGt2bS94ODYuYyAgICAgICAgICAgICAgIHwgICA4OCArKysrKysrKysr LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQogNiBmaWxlcyBjaGFuZ2VkLCAxNjUgaW5zZXJ0 aW9ucygrKSwgMTEwIGRlbGV0aW9ucygtKQoKCg==