x86, locking/spinlocks: Remove ticket (spin)lock implementation

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We've unconditionally used the queued spinlock for many releases now.

Its time to remove the old ticket lock code.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <waiman.long@hpe.com>
Cc: Waiman.Long@hpe.com
Cc: david.vrabel@citrix.com
Cc: dhowells@redhat.com
Cc: pbonzini@redhat.com
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/20160518184302.GO3193@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>

...

This commit is contained in:

Peter Zijlstra 2016-05-18 20:43:02 +02:00 • committed by Ingo Molnar

parent 0b429e18c2

commit cfd8983f03

10 changed files with 6 additions and 719 deletions

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3

arch/x86/Kconfig

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18

arch/x86/include/asm/paravirt.h

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7

arch/x86/include/asm/paravirt_types.h

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174

arch/x86/include/asm/spinlock.h

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13

arch/x86/include/asm/spinlock_types.h

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245

arch/x86/kernel/kvm.c

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7

arch/x86/kernel/paravirt-spinlocks.c

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4

arch/x86/kernel/paravirt_patch_32.c

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4

arch/x86/kernel/paravirt_patch_64.c

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250

arch/x86/xen/spinlock.c

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