[tip:core/locking] locking/mcs: Allow architecture specific asm files to be used for contended case
Commit-ID: ddf1d169c0a489d498c1799a7043904a43b0c159 Gitweb: http://git.kernel.org/tip/ddf1d169c0a489d498c1799a7043904a43b0c159 Author: Tim Chen AuthorDate: Tue, 21 Jan 2014 15:36:22 -0800 Committer: Ingo Molnar CommitDate: Sun, 9 Feb 2014 21:18:52 +0100 locking/mcs: Allow architecture specific asm files to be used for contended case This patch allows each architecture to add its specific assembly optimized arch_mcs_spin_lock_contended and arch_mcs_spinlock_uncontended for MCS lock and unlock functions. Signed-off-by: Tim Chen Cc: Scott J Norton Cc: Raghavendra K T Cc: AswinChandramouleeswaran Cc: George Spelvin Cc: Rik vanRiel Cc: Andrea Arcangeli Cc: MichelLespinasse Cc: Peter Hurley Cc: Andi Kleen Cc: Alex Shi Cc: Dave Hansen Cc: Tim Chen Cc: Arnd Bergmann Cc: "Figo.zhang" Cc: "Paul E.McKenney" Cc: "H. Peter Anvin" Cc: Davidlohr Bueso Cc: Waiman Long Cc: Ingo Molnar Cc: Will Deacon Cc: Andrew Morton Cc: Linus Torvalds Cc: Matthew R Wilcox Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/1390347382.3138.67.camel@schen9-DESK Signed-off-by: Ingo Molnar --- arch/alpha/include/asm/Kbuild | 1 + arch/arc/include/asm/Kbuild| 1 + arch/arm/include/asm/Kbuild| 1 + arch/arm64/include/asm/Kbuild | 1 + arch/avr32/include/asm/Kbuild | 1 + arch/blackfin/include/asm/Kbuild | 1 + arch/c6x/include/asm/Kbuild| 1 + arch/cris/include/asm/Kbuild | 1 + arch/frv/include/asm/Kbuild| 1 + arch/hexagon/include/asm/Kbuild| 1 + arch/ia64/include/asm/Kbuild | 1 + arch/m32r/include/asm/Kbuild | 1 + arch/m68k/include/asm/Kbuild | 1 + arch/metag/include/asm/Kbuild | 1 + arch/microblaze/include/asm/Kbuild | 1 + arch/mips/include/asm/Kbuild | 1 + arch/mn10300/include/asm/Kbuild| 1 + arch/openrisc/include/asm/Kbuild | 1 + arch/parisc/include/asm/Kbuild | 1 + arch/powerpc/include/asm/Kbuild| 1 + arch/s390/include/asm/Kbuild | 1 + arch/score/include/asm/Kbuild | 1 + arch/sh/include/asm/Kbuild | 1 + arch/sparc/include/asm/Kbuild | 1 + arch/tile/include/asm/Kbuild | 1 + arch/um/include/asm/Kbuild | 1 + arch/unicore32/include/asm/Kbuild | 1 + arch/x86/include/asm/Kbuild| 1 + arch/xtensa/include/asm/Kbuild | 1 + include/asm-generic/mcs_spinlock.h | 13 + include/linux/mcs_spinlock.h | 2 ++ 31 files changed, 44 insertions(+) diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index 55a2b039..7736f42 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -3,5 +3,6 @@ generic-y += clkdev.h generic-y += exec.h generic-y += hash.h +generic-y += mcs_spinlock.h generic-y += preempt.h generic-y += trace_clock.h diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index 54ceb91..e76fd79 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -22,6 +22,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += mman.h generic-y += msgbuf.h generic-y += param.h diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 3b20920..23e728e 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -14,6 +14,7 @@ generic-y += irq_regs.h generic-y += kdebug.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += msgbuf.h generic-y += param.h generic-y += parport.h diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index 54038be..3bdfdda 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -23,6 +23,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += mman.h generic-y += msgbuf.h generic-y += mutex.h diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index 064ca3c..8b398ff 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -11,6 +11,7 @@ generic-y += hash.h generic-y += irq_regs.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += param.h generic-y += percpu.h generic-y += preempt.h diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild index ca30a3d..0d93b9a 100644 --- a/arch/blackfin/include/asm/Kbuild +++ b/arch/blackfin/include/asm/Kbuild @@ -20,6 +20,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += mman.h generic-y += msgbuf.h generic-y += mutex.h diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild index dea0671..8dbdce8 100644 --- a/arch/c6x/include/asm/Kbuild +++ b/arch/c6x/include/asm/Kbuild @@ -25,6 +25,7 @@ generic-y += irq_regs.h generic-y
[tip:core/locking] locking/mcs: Allow architecture specific asm files to be used for contended case
Commit-ID: ddf1d169c0a489d498c1799a7043904a43b0c159 Gitweb: http://git.kernel.org/tip/ddf1d169c0a489d498c1799a7043904a43b0c159 Author: Tim Chen tim.c.c...@linux.intel.com AuthorDate: Tue, 21 Jan 2014 15:36:22 -0800 Committer: Ingo Molnar mi...@kernel.org CommitDate: Sun, 9 Feb 2014 21:18:52 +0100 locking/mcs: Allow architecture specific asm files to be used for contended case This patch allows each architecture to add its specific assembly optimized arch_mcs_spin_lock_contended and arch_mcs_spinlock_uncontended for MCS lock and unlock functions. Signed-off-by: Tim Chen tim.c.c...@linux.intel.com Cc: Scott J Norton scott.nor...@hp.com Cc: Raghavendra K T raghavendra...@linux.vnet.ibm.com Cc: AswinChandramouleeswaran as...@hp.com Cc: George Spelvin li...@horizon.com Cc: Rik vanRiel r...@redhat.com Cc: Andrea Arcangeli aarca...@redhat.com Cc: MichelLespinasse wal...@google.com Cc: Peter Hurley pe...@hurleysoftware.com Cc: Andi Kleen a...@firstfloor.org Cc: Alex Shi alex@linaro.org Cc: Dave Hansen dave.han...@intel.com Cc: Tim Chen tim.c.c...@linux.intel.com Cc: Arnd Bergmann a...@arndb.de Cc: Figo.zhang figo1...@gmail.com Cc: Paul E.McKenney paul...@linux.vnet.ibm.com Cc: H. Peter Anvin h...@zytor.com Cc: Davidlohr Bueso davidlohr.bu...@hp.com Cc: Waiman Long waiman.l...@hp.com Cc: Ingo Molnar mi...@elte.hu Cc: Will Deacon will.dea...@arm.com Cc: Andrew Morton a...@linux-foundation.org Cc: Linus Torvalds torva...@linux-foundation.org Cc: Matthew R Wilcox matthew.r.wil...@intel.com Signed-off-by: Peter Zijlstra pet...@infradead.org Link: http://lkml.kernel.org/r/1390347382.3138.67.camel@schen9-DESK Signed-off-by: Ingo Molnar mi...@kernel.org --- arch/alpha/include/asm/Kbuild | 1 + arch/arc/include/asm/Kbuild| 1 + arch/arm/include/asm/Kbuild| 1 + arch/arm64/include/asm/Kbuild | 1 + arch/avr32/include/asm/Kbuild | 1 + arch/blackfin/include/asm/Kbuild | 1 + arch/c6x/include/asm/Kbuild| 1 + arch/cris/include/asm/Kbuild | 1 + arch/frv/include/asm/Kbuild| 1 + arch/hexagon/include/asm/Kbuild| 1 + arch/ia64/include/asm/Kbuild | 1 + arch/m32r/include/asm/Kbuild | 1 + arch/m68k/include/asm/Kbuild | 1 + arch/metag/include/asm/Kbuild | 1 + arch/microblaze/include/asm/Kbuild | 1 + arch/mips/include/asm/Kbuild | 1 + arch/mn10300/include/asm/Kbuild| 1 + arch/openrisc/include/asm/Kbuild | 1 + arch/parisc/include/asm/Kbuild | 1 + arch/powerpc/include/asm/Kbuild| 1 + arch/s390/include/asm/Kbuild | 1 + arch/score/include/asm/Kbuild | 1 + arch/sh/include/asm/Kbuild | 1 + arch/sparc/include/asm/Kbuild | 1 + arch/tile/include/asm/Kbuild | 1 + arch/um/include/asm/Kbuild | 1 + arch/unicore32/include/asm/Kbuild | 1 + arch/x86/include/asm/Kbuild| 1 + arch/xtensa/include/asm/Kbuild | 1 + include/asm-generic/mcs_spinlock.h | 13 + include/linux/mcs_spinlock.h | 2 ++ 31 files changed, 44 insertions(+) diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild index 55a2b039..7736f42 100644 --- a/arch/alpha/include/asm/Kbuild +++ b/arch/alpha/include/asm/Kbuild @@ -3,5 +3,6 @@ generic-y += clkdev.h generic-y += exec.h generic-y += hash.h +generic-y += mcs_spinlock.h generic-y += preempt.h generic-y += trace_clock.h diff --git a/arch/arc/include/asm/Kbuild b/arch/arc/include/asm/Kbuild index 54ceb91..e76fd79 100644 --- a/arch/arc/include/asm/Kbuild +++ b/arch/arc/include/asm/Kbuild @@ -22,6 +22,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += mman.h generic-y += msgbuf.h generic-y += param.h diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild index 3b20920..23e728e 100644 --- a/arch/arm/include/asm/Kbuild +++ b/arch/arm/include/asm/Kbuild @@ -14,6 +14,7 @@ generic-y += irq_regs.h generic-y += kdebug.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += msgbuf.h generic-y += param.h generic-y += parport.h diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index 54038be..3bdfdda 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -23,6 +23,7 @@ generic-y += kmap_types.h generic-y += kvm_para.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += mman.h generic-y += msgbuf.h generic-y += mutex.h diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index 064ca3c..8b398ff 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -11,6 +11,7 @@ generic-y += hash.h generic-y += irq_regs.h generic-y += local.h generic-y += local64.h +generic-y += mcs_spinlock.h generic-y += param.h generic-y += percpu.h generic-y += preempt.h diff --git a/arch/blackfin/include/asm/Kbuild
