From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from outbound.baidu.com (mx14.baidu.com [220.181.3.101]) by smtp.subspace.kernel.org (Postfix) with SMTP id A2B3A405C5B for ; Wed, 10 Jun 2026 12:40:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.181.3.101 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781095224; cv=none; b=TLXozM/DMPHflkmV1T9xHI3vMirq0CrCsJUKVA+dN6cyZuVteTl89ijZWERepePBPSwj0lCI4Bjx60goxTMha7uPBMBbSu/G4ZZxs9ohHQvBbRaW0rcwsVWFVKsNmaHCkdWlnbcxWU5FaTgj7M3NUfsWlEnHCwGPO9GXSULinzI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781095224; c=relaxed/simple; bh=aKmc+EBKGeSqDrkEdVMeMyQRA26HtISyvXbmvlGCK6Y=; h=From:To:Subject:Date:Message-ID:References:In-Reply-To: Content-Type:MIME-Version; b=nA7kLiyZNHDwL1Wnj8vMskmu0tpFfeiNeGhK9SdBXu0EtyJ+cBlOYaD3p0KjzyrXRhss0sq1hclQ6TskI5fyGu0W80gNkccvJHzF/J2JVj7lxw3UzOx1pFAhlIZQJ0bEkPzo2Gvlf+iY0wGgaOL2wg6gEYr34W1UCa2wV2SoDdE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=baidu.com; spf=pass smtp.mailfrom=baidu.com; dkim=pass (2048-bit key) header.d=baidu.com header.i=@baidu.com header.b=Urz4cMrI; arc=none smtp.client-ip=220.181.3.101 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=baidu.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baidu.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baidu.com header.i=@baidu.com header.b="Urz4cMrI" X-MD-Sfrom: lirongqing@baidu.com X-MD-SrcIP: 172.31.3.13 From: "Li,Rongqing" To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "x86@kernel.org" , "H . Peter Anvin" , "linux-kernel@vger.kernel.org" Subject: =?gb2312?B?tPC4tDogW1BBVENIXSB4ODYvcHJvY2VzczogUmV0dXJuIGVhcmx5IG9uIE5V?= =?gb2312?B?TEwgaW9ibSBpbiBuYXRpdmVfdHNzX3VwZGF0ZV9pb19iaXRtYXAoKQ==?= Thread-Topic: [PATCH] x86/process: Return early on NULL iobm in native_tss_update_io_bitmap() Thread-Index: AQHc8Yi35/VHGDRFhUK8jcg/O/NcNrY3yVSg Date: Wed, 10 Jun 2026 12:40:01 +0000 Message-ID: References: <20260601053715.2233-1-lirongqing@baidu.com> In-Reply-To: <20260601053715.2233-1-lirongqing@baidu.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baidu.com; s=selector1; t=1781095208; bh=aKmc+EBKGeSqDrkEdVMeMyQRA26HtISyvXbmvlGCK6Y=; h=From:To:Subject:Date:Message-ID:Content-Type; b=Urz4cMrIMRULvcsUTyT+zdL/ardX4vxTSMGRE7IENl8UzFcOUkjZNQLHDHeKxu0zn jmUupnaj7+NKbNxM8Nc4RcM7V7Vw0ChxYBZGLj6rUCIXi6Du1h9NzncDE2/z25X41V QDIu8WSqcMVRibhKKe5uMwNa+cE2Sth6b/giwNLKnaYoh9f4GmWbmooRmFfbZzsRbl ZrKsh1Tacn53REnhk9+OtYFczO2O30tmaE6/n+FYZ4WvBkWy6rG78ikt4e+oPLG6Eo Y44+WmT/IXyErMpfwRd5Pu6CLB6cZRFhLiDdwKCOjCNhZUUZpvY72Wi0roI99Id+nX d3rOc6yo5mL2g== PiBGcm9tOiBMaSBSb25nUWluZyA8bGlyb25ncWluZ0BiYWlkdS5jb20+DQo+IA0KPiBXaGVuICdp b2JtJyBpcyBOVUxMLCBuYXRpdmVfdHNzX3VwZGF0ZV9pb19iaXRtYXAoKSBjbGVhcnMgdGhlIHRo cmVhZCBmbGFnDQo+IGFuZCBpbnZhbGlkYXRlcyB0aGUgVFNTIGJpdG1hcCwgYnV0IGZhbGxzIHRo cm91Z2ggdG8gc3Vic2VxdWVudCBjb2RlIHRoYXQNCj4gZGVyZWZlcmVuY2VzICdpb2JtJy4NCj4g DQo+IEFkZCBhIG1pc3NpbmcgcmV0dXJuIHN0YXRlbWVudCB0byBwcmV2ZW50IGEgcG90ZW50aWFs IGtlcm5lbCBOVUxMIHBvaW50ZXINCj4gZGVyZWZlcmVuY2UgcGFuaWMuDQo+IA0KPiBTaWduZWQt b2ZmLWJ5OiBMaSBSb25nUWluZyA8bGlyb25ncWluZ0BiYWlkdS5jb20+DQo+IC0tLQ0KPiAgYXJj aC94ODYva2VybmVsL3Byb2Nlc3MuYyB8IDEgKw0KPiAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0 aW9uKCspDQo+IA0KPiBkaWZmIC0tZ2l0IGEvYXJjaC94ODYva2VybmVsL3Byb2Nlc3MuYyBiL2Fy Y2gveDg2L2tlcm5lbC9wcm9jZXNzLmMgaW5kZXgNCj4gNGM3MThmOC4uZDVjZDIxNyAxMDA2NDQN Cj4gLS0tIGEvYXJjaC94ODYva2VybmVsL3Byb2Nlc3MuYw0KPiArKysgYi9hcmNoL3g4Ni9rZXJu ZWwvcHJvY2Vzcy5jDQo+IEBAIC00ODYsNiArNDg2LDcgQEAgdm9pZCBuYXRpdmVfdHNzX3VwZGF0 ZV9pb19iaXRtYXAodm9pZCkNCj4gIAkJaWYgKFdBUk5fT05fT05DRSghaW9ibSkpIHsNCj4gIAkJ CWNsZWFyX3RocmVhZF9mbGFnKFRJRl9JT19CSVRNQVApOw0KPiAgCQkJbmF0aXZlX3Rzc19pbnZh bGlkYXRlX2lvX2JpdG1hcCgpOw0KPiArCQkJcmV0dXJuOw0KPiAgCQl9DQo+IA0KDQpQaW5nDQog DQoNCltMaSxSb25ncWluZ10gDQoNCg0KPiAgCQkvKg0KPiAtLQ0KPiAyLjkuNA0KDQo=