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 RE: [PATCH v12 24/37] x86/idtentry: Incorporate definitions/declarations of the FRED entries
 
To: Borislav Petkov <bp@xxxxxxxxx>From: "Li, Xin3" <xin3.li@xxxxxxxxx>Date: Tue, 28 Nov 2023 18:39:01 +0000Accept-language: en-USArc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=noneArc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=rX2CeJgIYJbGV+oh0r4hEsDAougQ3cxnrsEAgRifYew=; b=lVZUZCrtMlwfvLDHko4O6WKZ30m2o4/rDInVJ4mOEZ6FUQjJVKRqeW7wZIOW0NvxyFPEdjyCz147PwYK6OjEHnO1mI2uFQrh2JQXEZAUo2gsz/NGuFlPogUzVSBe0YAumNyxK8eiXAyUwLDFyuVXkQeWQ6rW7LsKEKziZneslsp4WmSOX78KLZyKo7m4AnB7Lu/Fkine27Mo95LNhNa1wTACmXjxPvDYAeAqvTr5A+cA9C58QMKy6FEJvoF9COuhEdO4jaZ8bzEx5Qjy0j/LFGn66IhfcVcAb3sfAxC4Nq5XNpuBGJwlAjhOsZxVnx90cIGb8CbvBlb6h0Bxs9e+QA==Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=A1EqYyZui79ew1E9p6XpzjS9PwzOOvoyDRglp21l/9SWIe+wiijb5m6n8SWWpay5Sflupxj1lrDH/SLbEcojBuuwJTk5bJ9Ua9Wh9Cp7adF9ryZ5lQX1igus6Fg7hw8gyt9bT7KFsBORYM6Sd9Db+Or7uxU6LW7HDH76+2VwyrYhD22NE77H/+gCtXLe1vuLzMY3gj5URuVcsM2yACcIV9qin7E4Rx/MJj4qfTY9X+E3mlDUqSOXNfrXzW1A2DObs9zIDdcq7/XHnSDqNLAObHh8e7LpqKw0T47bZDO2dMQR4ewmo3Lit/xM/gewslmppW3FAni1+CZkxsK07M91iA==Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com;Cc: "linux-doc@xxxxxxxxxxxxxxx" <linux-doc@xxxxxxxxxxxxxxx>,	"linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>,	"linux-edac@xxxxxxxxxxxxxxx" <linux-edac@xxxxxxxxxxxxxxx>,	"linux-hyperv@xxxxxxxxxxxxxxx" <linux-hyperv@xxxxxxxxxxxxxxx>,	"kvm@xxxxxxxxxxxxxxx" <kvm@xxxxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx"	<xen-devel@xxxxxxxxxxxxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>,	"mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "dave.hansen@xxxxxxxxxxxxxxx"	<dave.hansen@xxxxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>,	"hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "Lutomirski, Andy" <luto@xxxxxxxxxx>,	"pbonzini@xxxxxxxxxx" <pbonzini@xxxxxxxxxx>, "seanjc@xxxxxxxxxx"	<seanjc@xxxxxxxxxx>, "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "Gross, Jurgen" <jgross@xxxxxxxx>, "Shankar, Ravi V" <ravi.v.shankar@xxxxxxxxx>,	"mhiramat@xxxxxxxxxx" <mhiramat@xxxxxxxxxx>, "andrew.cooper3@xxxxxxxxxx"	<andrew.cooper3@xxxxxxxxxx>, "jiangshanlai@xxxxxxxxx"	<jiangshanlai@xxxxxxxxx>, "nik.borisov@xxxxxxxx" <nik.borisov@xxxxxxxx>Delivery-date: Tue, 28 Nov 2023 18:39:18 +0000List-id: Xen developer discussion <xen-devel.lists.xenproject.org>Thread-index: AQHZ9cbM5vceRic94kyD24auDkj9FbCP2k4AgACNKrA=Thread-topic: [PATCH v12 24/37] x86/idtentry: Incorporate definitions/declarations of the FRED entries 
 > > FRED and IDT can share most of the definitions and declarations so
> > that in the majority of cases the actual handler implementation is the
> > same.
> >
> > The differences are the exceptions where FRED stores exception related
> > information on the stack and the sysvec implementations as FRED can
> > handle irqentry/exit() in the dispatcher instead of having it in each
> > handler.
> >
> > Also add stub defines for vectors which are not used due to Kconfig
> > decisions to spare the ifdeffery in the actual FRED dispatch code.
> >
> > Tested-by: Shan Kang <shan.kang@xxxxxxxxx>
> > Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> > Signed-off-by: Xin Li <xin3.li@xxxxxxxxx>
> 
> This makes me wonder too who the author is. The commit message text sounds
> like tglx. :)
You have a very good sense 😊
This is mostly from his review comments and suggestions on my original
changes to IDTENTRY.  So probably I should put a "Suggested-by" instead
of "Signed-off-by" as HPA pointed out!
Thanks!
    Xin
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