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Groups > linux.kernel > #1216496

[PATCH 04/15] x86, fpu: kill LWP support

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From: Dave Hansen <dave.hansen@linux.intel.com>

LightWeight Profiling was evidently an AMD profiling feature that
we never got around to implementing.  Remove the references to it.

Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: x86@kernel.org
Cc: Borislav Petkov <bp@alien8.de>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: linux-kernel@vger.kernel.org
---

 b/arch/x86/include/asm/fpu/types.h |    5 -----
 1 file changed, 5 deletions(-)

diff -puN arch/x86/include/asm/fpu/types.h~axe-lwp arch/x86/include/asm/fpu/types.h
--- a/arch/x86/include/asm/fpu/types.h~axe-lwp	2015-08-31 15:17:32.321787570 -0700
+++ b/arch/x86/include/asm/fpu/types.h	2015-08-31 15:17:32.324787707 -0700
@@ -132,11 +132,6 @@ struct ymmh_struct {
 	u8				ymmh_space[256];
 };
 
-/* We don't support LWP yet: */
-struct lwp_struct {
-	u8				reserved[128];
-};
-
 /* Intel MPX support: */
 struct bndreg {
 	u64				lower_bound;
_
--
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[PATCH 00/15] [v3] x86, fpu: XSAVE cleanups and sanity checks Dave Hansen <dave@sr71.net> - 2015-09-01 00:30 +0200
  [PATCH 10/15] x86, fpu: rework MPX 'xstate' types Dave Hansen <dave@sr71.net> - 2015-09-01 00:30 +0200
  [PATCH 15/15] x86, fpu: check CPU-provided sizes against struct declarations Dave Hansen <dave@sr71.net> - 2015-09-01 00:30 +0200
  [PATCH 02/15] x86, fpu: move XSAVE-disabling code to a helper Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
  [PATCH 13/15] x86, fpu: correct and check XSAVE xstate size calculations Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
  [PATCH 05/15] x86, fpu: XSAVE macro renames Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
    Re: [PATCH 05/15] x86, fpu: XSAVE macro renames Dave Hansen <dave@sr71.net> - 2015-09-01 01:50 +0200
  [PATCH 11/15] x86, fpu: rework YMM definition Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
  [PATCH 06/15] x86, fpu: rename XFEATURES_NR_MAX Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
  [PATCH 04/15] x86, fpu: kill LWP support Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
  [PATCH 09/15] x86, fpu: add helper xfeature_enabled() instead of test_bit() Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
  [PATCH 07/15] x86, fpu: rework XSTATE_* macros to remove magic '2' Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
  [PATCH 12/15] x86, fpu: add C structures for AVX-512 state components Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
  [PATCH 03/15] x86, fpu: remove XSTATE_RESERVE Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200
  [PATCH 08/15] x86, fpu: remove xfeature_nr Dave Hansen <dave@sr71.net> - 2015-09-01 00:40 +0200

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