AuxXxilium/linux_dsm_epyc7002
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e1884d69f6
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3 Commits

Author SHA1 Message Date
Ingo Molnar
e1884d69f6 x86/fpu: Pass 'struct fpu' to fpu__restore() 
This cleans up the call sites and the function a bit,
and also makes it more symmetric with the other high
level FPU state handling functions.

It's still only valid for the current task, as we copy
to the FPU registers of the current CPU.

No change in functionality.

Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2015-05-19 15:48:11 +02:00
Ingo Molnar
c47ada305d x86/fpu: Harmonize FPU register state types 
Use these consistent names:

    struct fregs_state           # was: i387_fsave_struct
    struct fxregs_state          # was: i387_fxsave_struct
    struct swregs_state          # was: i387_soft_struct
    struct xregs_state           # was: xsave_struct
    union  fpregs_state          # was: thread_xstate

Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2015-05-19 15:48:09 +02:00
Ingo Molnar
b992c660d3 x86/fpu: Factor out fpu/signal.c 
fpu/xstate.c has a lot of generic FPU signal frame handling routines,
move them into a separate file: fpu/signal.c.

Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
 2015-05-19 15:48:08 +02:00