From: Avi Kivity <avi@redhat.com>
To: Dexuan Cui <dexuan.cui@intel.com>,
Sheng Yang <sheng@linux.intel.com>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Subject: [PATCH 0/2] x86 FPU API
Date: Sun, 2 May 2010 17:53:56 +0300 [thread overview]
Message-ID: <1272812038-32484-1-git-send-email-avi@redhat.com> (raw)
Currently all fpu accessors are wedded to task_struct. However kvm also uses
the fpu in a different context. Introduce an FPU API, and replace the
current uses with the new API.
While this patchset is oriented towards deeper changes, as a first step it
simlifies xsave for kvm.
Avi Kivity (2):
x86: eliminate TS_XSAVE
x86: Introduce 'struct fpu' and related API
arch/x86/include/asm/i387.h | 135 +++++++++++++++++++++++++++---------
arch/x86/include/asm/processor.h | 6 ++-
arch/x86/include/asm/thread_info.h | 1 -
arch/x86/include/asm/xsave.h | 7 +-
arch/x86/kernel/cpu/common.c | 5 +-
arch/x86/kernel/i387.c | 107 ++++++++++++++---------------
arch/x86/kernel/process.c | 20 +++---
arch/x86/kernel/process_32.c | 2 +-
arch/x86/kernel/process_64.c | 2 +-
arch/x86/kernel/xsave.c | 8 +-
arch/x86/math-emu/fpu_aux.c | 6 +-
11 files changed, 181 insertions(+), 118 deletions(-)
next reply other threads:[~2010-05-02 14:53 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-02 14:53 Avi Kivity [this message]
2010-05-02 14:53 ` [PATCH 1/2] x86: eliminate TS_XSAVE Avi Kivity
2010-05-02 17:38 ` Brian Gerst
2010-05-02 17:44 ` Avi Kivity
2010-05-03 21:45 ` H. Peter Anvin
2010-05-04 7:41 ` Avi Kivity
2010-05-04 18:15 ` Suresh Siddha
2010-05-04 18:24 ` H. Peter Anvin
2010-05-05 7:30 ` Avi Kivity
2010-05-05 12:10 ` H. Peter Anvin
2010-05-05 12:12 ` H. Peter Anvin
2010-05-04 18:03 ` Suresh Siddha
2010-05-02 14:53 ` [PATCH 2/2] x86: Introduce 'struct fpu' and related API Avi Kivity
2010-05-04 18:12 ` Suresh Siddha
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