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From: Kyle Huey <me@kylehuey.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: "Robert O'Callahan" <robert@ocallahan.org>,
	"Andy Lutomirski" <luto@kernel.org>,
	"Ingo Molnar" <mingo@redhat.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
	<x86@kernel.org>, "Paolo Bonzini" <pbonzini@redhat.com>,
	"Radim Krčmář" <rkrcmar@redhat.com>,
	"Jeff Dike" <jdike@addtoit.com>,
	"Richard Weinberger" <richard@nod.at>,
	"Alexander Viro" <viro@zeniv.linux.org.uk>,
	"Shuah Khan" <shuah@kernel.org>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	"Borislav Petkov" <bp@suse.de>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
	"Len Brown" <len.brown@intel.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
	"Dmitry Safonov" <dsafonov@virtuozzo.com>,
	"David Matlack" <dmatlack@google.com>,
	"Nadav Amit" <nadav.amit@gmail.com>,
	"Andi Kleen" <andi@firstfloor.org>,
	"Grzegorz Andrejczuk" <grzegorz.andrejczuk@intel.com>,
	"open list" <linux-kernel@vger.kernel.org>,
	"open list:USER-MODE LINUX (UML)"
	<user-mode-linux-devel@lists.sourceforge.net>,
	"open list:USER-MODE LINUX (UML)"
	<user-mode-linux-user@lists.sourceforge.net>,
	"open list:FILESYSTEMS (VFS and infrastructure)"
	<linux-fsdevel@vger.kernel.org>,
	"open list:KERNEL SELFTEST FRAMEWORK"
	<linux-kselftest@vger.kernel.org>,
	"kvm list" <kvm@vger.kernel.org>
Subject: Re: [PATCH v16 08/10] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID
Date: Mon, 20 Mar 2017 09:39:56 -0700	[thread overview]
Message-ID: <CAP045AqMhLATXRdL=Ktar03L5pEE-P1MYpWdb1sCiFQ9CMCWBA@mail.gmail.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1703201558450.3599@nanos>

On Mon, Mar 20, 2017 at 8:00 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
> On Mon, 20 Mar 2017, Kyle Huey wrote:
>> --- a/arch/x86/include/uapi/asm/prctl.h
>> +++ b/arch/x86/include/uapi/asm/prctl.h
>> @@ -6,8 +6,17 @@
>>  #define ARCH_GET_FS 0x1003
>>  #define ARCH_GET_GS 0x1004
>>
>> +#define ARCH_GET_CPUID 0x1005
>> +#define ARCH_SET_CPUID 0x1006
>> +
>>  #define ARCH_MAP_VDSO_X32    0x2001
>>  #define ARCH_MAP_VDSO_32     0x2002
>>  #define ARCH_MAP_VDSO_64     0x2003
>>
>> +#ifdef CONFIG_CHECKPOINT_RESTORE
>> +# define ARCH_MAP_VDSO_X32   0x2001
>> +# define ARCH_MAP_VDSO_32    0x2002
>> +# define ARCH_MAP_VDSO_64    0x2003
>> +#endif
>
> That hunk is bogus in two aspects:
>      - It's just a copy of the above wrapped in a ifdef
>
>      - The ifdef is broken, because the UAPI headers do not know about
>        that.
>
> I dropped it.

Looks like that was introduced when I rebased over a01aa6c9f40f for
v14 and I didn't catch it manually.  Thanks for finding and fixing
that.

- Kyle


  reply	other threads:[~2017-03-20 16:39 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-20  8:16 [PATCH v16 0/10] x86/arch_prctl Add ARCH_[GET|SET]_CPUID for controlling the CPUID instruction Kyle Huey
2017-03-20  8:16 ` [PATCH v16 01/10] x86/msr: Rename MISC_FEATURE_ENABLES to MISC_FEATURES_ENABLES Kyle Huey
2018-07-27 17:18   ` Jim Mattson
2017-03-20  8:16 ` [PATCH v16 02/10] x86/arch_prctl: Rename 'code' argument to 'option' Kyle Huey
2017-03-20  8:16 ` [PATCH v16 03/10] x86/arch_prctl/64: Use SYSCALL_DEFINE2 to define sys_arch_prctl Kyle Huey
2017-03-20  8:16 ` [PATCH v16 04/10] x86/arch_prctl/64: Rename do_arch_prctl to do_arch_prctl_64 Kyle Huey
2017-03-20  8:16 ` [PATCH v16 05/10] x86/arch_prctl: Add do_arch_prctl_common Kyle Huey
2017-03-20  8:16 ` [PATCH v16 06/10] x86/syscalls/32: Wire up arch_prctl on x86-32 Kyle Huey
2017-03-20  8:16 ` [PATCH v16 07/10] x86/cpufeature: Detect CPUID faulting support Kyle Huey
2017-03-20  8:16 ` [PATCH v16 08/10] x86/arch_prctl: Add ARCH_[GET|SET]_CPUID Kyle Huey
2017-03-20 15:00   ` Thomas Gleixner
2017-03-20 16:39     ` Kyle Huey [this message]
2017-03-20  8:16 ` [PATCH v16 09/10] x86/arch_prctl: Selftest for ARCH_[GET|SET]_CPUID Kyle Huey
2017-10-11  3:35   ` Wanpeng Li
2017-10-11  3:56     ` Kyle Huey
2017-10-11  6:25       ` Wanpeng Li
2017-10-20  8:53       ` Thomas Gleixner
2017-03-20  8:16 ` [PATCH v16 10/10] KVM: x86: virtualize cpuid faulting Kyle Huey
2017-04-21  9:58   ` Paolo Bonzini

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