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From: Brian Gerst <brgerst@gmail.com>
To: x86@kernel.org, linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@kernel.org>, "H . Peter Anvin" <hpa@zytor.com>,
	Andy Lutomirski <luto@amacapital.net>,
	Juergen Gross <jgross@suse.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>
Subject: [PATCH 0/3] x86: IOPL switching cleanups
Date: Wed, 14 Jun 2017 08:40:29 -0400	[thread overview]
Message-ID: <20170614124032.4159-1-brgerst@gmail.com> (raw)

Here are three cleanups to the IOPL switching code for x86.

[PATCH 1/3] x86: Remove native_set_iopl_mask()
[PATCH 2/3] x86-32: Simplify IOPL switch check
[PATCH 3/3] x86/xen: Move paravirt IOPL switching to slow the path

 arch/x86/include/asm/paravirt.h       |  6 ++++++
 arch/x86/include/asm/processor.h      | 22 ++--------------------
 arch/x86/include/asm/thread_info.h    |  5 ++++-
 arch/x86/include/asm/xen/hypervisor.h |  2 --
 arch/x86/kernel/ioport.c              |  6 ++++++
 arch/x86/kernel/paravirt.c            |  2 +-
 arch/x86/kernel/process.c             |  8 ++++++++
 arch/x86/kernel/process_32.c          |  9 ---------
 arch/x86/kernel/process_64.c          | 11 -----------
 arch/x86/xen/enlighten_pv.c           |  6 ++++--
 10 files changed, 31 insertions(+), 46 deletions(-)

             reply	other threads:[~2017-06-14 12:41 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-14 12:40 Brian Gerst [this message]
2017-06-14 12:40 ` [PATCH 1/3] x86: Remove native_set_iopl_mask() Brian Gerst
2017-06-14 12:40 ` [PATCH 2/3] x86-32: Simplify IOPL switch check Brian Gerst
2017-06-14 12:40 ` [PATCH 3/3] x86/xen: Move paravirt IOPL switching to slow the path Brian Gerst
2017-06-14 13:14   ` Juergen Gross
2017-06-14 17:29     ` Brian Gerst
2017-06-14 17:34       ` Juergen Gross
2017-06-14 17:40   ` Andy Lutomirski
2017-06-14 18:02     ` Andrew Cooper
2017-06-14 18:25       ` Brian Gerst
2017-06-15  1:34         ` Andy Lutomirski

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