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Peter Anvin" , X86 ML , "yangfeng1@kingsoft.com" , Linux-MM , LKML Subject: RE: [PATCH v3] x86/fault: Send a SIGBUS to user process always for hwpoison page access. Thread-Topic: [PATCH v3] x86/fault: Send a SIGBUS to user process always for hwpoison page access. Thread-Index: AQHW+52QL4Na2ZzwuU6zOFVHHVSkcqpmUikAgAAvRAD//40+AIAC4sSAgAMSD4CAA5534A== Date: Mon, 1 Mar 2021 19:02:41 +0000 Message-ID: <8d0c76f97f35499f91a2b82d3e7c024d@intel.com> References: <20210223204436.1df73153@alex-virtual-machine> <788DFBA0-903F-4548-9C2F-B1A1543EE770@amacapital.net> <20210223164259.GA166727@agluck-desk2.amr.corp.intel.com> <20210225124711.35b31965@alex-virtual-machine> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.5.1.3 x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PiBTb21lIHByb2dyYW1zIG1heSB1c2UgcmVhZCgyKSwgd3JpdGUoMiksIGV0YyBhcyB3YXlzIHRv IGNoZWNrIGlmDQo+IG1lbW9yeSBpcyB2YWxpZCB3aXRob3V0IGdldHRpbmcgYSBzaWduYWwuICBU aGV5IG1pZ2h0IG5vdCB3YW50DQo+IHNpZ25hbHMsIHdoaWNoIG1lYW5zIHRoYXQgdGhpcyBmZWF0 dXJlIG1pZ2h0IG5lZWQgdG8gYmUgY29uZmlndXJhYmxlLg0KDQpUaGF0IHNvdW5kcyBsaWtlIGFu IGFwcGFsbGluZyBoYWNrLiBJZiB1c2VycyBuZWVkIHN1Y2ggYSBtZWNoYW5pc20NCndlIHNob3Vs ZCBjcmVhdGUgc29tZSBiZXR0ZXIgd2F5IHRvIGRvIHRoYXQuDQoNCkFuIGFlb24gYWdvIEFDUEkg Y3JlYXRlZCB0aGUgUkFTRiB0YWJsZSBhcyBhIHdheSBmb3IgdGhlIE9TIHRvDQphc2sgdGhlIHBs YXRmb3JtIHRvIHNjYW4gYSBibG9jayBvZiBwaHlzaWNhbCBtZW1vcnkgdXNpbmcgdGhlIHBhdHJv bA0Kc2NydWJiZXIgaW4gdGhlIG1lbW9yeSBjb250cm9sbGVyLiAgSSBuZXZlciBkaWQgYW55dGhp bmcgd2l0aCBpdCBpbiBMaW51eA0KYmVjYXVzZSBpdCB3YXMganVzdCB0b28gY29tcGxleCBhbmQg ZGlkbid0IGtub3cgb2YgYW55IHVzZSBjYXNlcy4NCg0KVXNlcnMgd291bGQgd2FudCB0byBjaGVj ayB2aXJ0dWFsIGFkZHJlc3Nlcy4gUGVyaGFwcyBzb21lIG5ldw0Kb3B0aW9uIE1BRFZfQ0hFQ0tG T1JQT0lTT04gdG8gbWFkdmlzZSgyKSA/DQoNCi1Ub255DQo=