[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: [PATCH v11 35/37] x86/syscall: Split IDT syscall setup code into idt_syscall_init()
- To: "H. Peter Anvin" <hpa@xxxxxxxxx>, "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>
- From: "Li, Xin3" <xin3.li@xxxxxxxxx>
- Date: Tue, 26 Sep 2023 06:58:37 +0000
- Accept-language: en-US
- Arc-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=none
- Arc-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=Zb9d/HFuEpyvl/Z7q5P4+sf8PQIT0daBRtDHgwPyiMI=; b=GdyXk0LWhUWhoSjPLiegguxNznHJ91FVAs5QqYhUSnjUzaSHK0BHmDsEclBF30XN+An5g/3DNx5ieLtfrL6HPnUpihTzwIyKtfPRvHSpdoQtc64J6w0Rhc6OrRr5Oil8HbPMZ6BFoEa1RomuXi2v3GuLR/n4ZGCAdrTLW6bQLOzFMV3MW9qLEbyAGTdJI0Bv6zRyKxuTvtwEh2kxdyZkF/8bSqaimmSdlE9jMv6w5LOvQ0NOFn/J5mWa9mY/nue5qoDMeONbJmf7dIhE2zPP9mz492YWliT/sn9umx/KBhIZCsMc5wdEg3oXcIv6t6gG+rT0sFhpiDKAbSNu+Oijvw==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=hQgtVbhRPBOz2k5Jb/58axG4kRrzoa2z2Sk15nNgwOFt/pXpUBtQso05G3h54AZBlq9gBeWbuOBZKQquAX9pn+BphPHMhYo2yEgQ2BmqvZlI6kAhU4ipEGgB55ch3F2w0kEjvtPm+Bg9apBKLGKBaOJIXGMLiJUteAko7SZ2wiaJicxMtl4n7oKwR4ZdQevE92XtxFra4KMDWcyY7bTrwB4BIP1WL952Dl8h7qzUzp1cH0s45ns6bqV6QAyJLSYrTEsTs8bei3mrmIDV1MdKI4xL5e4rfkbFUfVm7MdP+uT3Ays+8V7qXkas6wCqH97R275+Z6kT9fAxmUG3i/aFNQ==
- Authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com;
- Cc: "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "bp@xxxxxxxxx" <bp@xxxxxxxxx>, "dave.hansen@xxxxxxxxxxxxxxx" <dave.hansen@xxxxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "Lutomirski, Andy" <luto@xxxxxxxxxx>, "pbonzini@xxxxxxxxxx" <pbonzini@xxxxxxxxxx>, "Christopherson,, Sean" <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, 26 Sep 2023 06:59:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHZ7gbj6LYYw3ax602r6dWz9pQ+t7AruMuAgAAdkCCAABFkAIAAyWiQ
- Thread-topic: [PATCH v11 35/37] x86/syscall: Split IDT syscall setup code into idt_syscall_init()
> >Yes, this is a noop, just a cleanup patch w/o functionality change.
> >
> It just seems to be completely redundant. We can just drop it, no? If we
> aren't going
> to explicitly clobber the registers there is no harm in setting them up for
> IDT
> unconditionally.
If no objection, I can make the change, i.e., unconditionally set these
MSRs up for IDT.
|
