1. 09 Feb, 2014 2 commits
    • Tim Chen's avatar
      locking/mcs: Allow architecture specific asm files to be used for contended case · ddf1d169
      Tim Chen authored
      
      
      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: default avatarTim Chen <tim.c.chen@linux.intel.com>
      Cc: Scott J Norton <scott.norton@hp.com>
      Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
      Cc: AswinChandramouleeswaran <aswin@hp.com>
      Cc: George Spelvin <linux@horizon.com>
      Cc: Rik vanRiel <riel@redhat.com>
      Cc: Andrea Arcangeli <aarcange@redhat.com>
      Cc: MichelLespinasse <walken@google.com>
      Cc: Peter Hurley <peter@hurleysoftware.com>
      Cc: Andi Kleen <andi@firstfloor.org>
      Cc: Alex Shi <alex.shi@linaro.org>
      Cc: Dave Hansen <dave.hansen@intel.com>
      Cc: Tim Chen <tim.c.chen@linux.intel.com>
      Cc: Arnd Bergmann <arnd@arndb.de>
      Cc: "Figo.zhang" <figo1802@gmail.com>
      Cc: "Paul E.McKenney" <paulmck@linux.vnet.ibm.com>
      Cc: "H. Peter Anvin" <hpa@zytor.com>
      Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>
      Cc: Waiman Long <waiman.long@hp.com>
      Cc: Ingo Molnar <mingo@elte.hu>
      Cc: Will Deacon <will.deacon@arm.com>
      Cc: Andrew Morton <akpm@linux-foundation.org>
      Cc: Linus Torvalds <torvalds@linux-foundation.org>
      Cc: Matthew R Wilcox <matthew.r.wilcox@intel.com>
      Signed-off-by: default avatarPeter Zijlstra <peterz@infradead.org>
      Link: http://lkml.kernel.org/r/1390347382.3138.67.camel@schen9-DESK
      
      
      Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
      ddf1d169
    • Tim Chen's avatar
      locking/mcs: Order the header files in Kbuild of each architecture in alphabetical order · b119fa61
      Tim Chen authored
      
      
      We perform a clean up of the Kbuid files in each architecture.
      We order the files in each Kbuild in alphabetical order
      by running the below script.
      
      for i in arch/*/include/asm/Kbuild
      do
              cat $i | gawk '/^generic-y/ {
                      i = 3;
                      do {
                              for (; i <= NF; i++) {
                                      if ($i == "\\") {
                                              getline;
                                              i = 1;
                                              continue;
                                      }
                                      if ($i != "")
                                              hdr[$i] = $i;
                              }
                              break;
                      } while (1);
                      next;
              }
              // {
                      print $0;
              }
              END {
                      n = asort(hdr);
                      for (i = 1; i <= n; i++)
                              print "generic-y += " hdr[i];
              }' > ${i}.sorted;
              mv ${i}.sorted $i;
      done
      
      Signed-off-by: default avatarTim Chen <tim.c.chen@linux.intel.com>
      Cc: Arnd Bergmann <arnd@arndb.de>
      Cc: Matthew R Wilcox <matthew.r.wilcox@intel.com>
      Cc: AswinChandramouleeswaran <aswin@hp.com>
      Cc: Dave Hansen <dave.hansen@intel.com>
      Cc: "Paul E.McKenney" <paulmck@linux.vnet.ibm.com>
      Cc: Scott J Norton <scott.norton@hp.com>
      Cc: Will Deacon <will.deacon@arm.com>
      Cc: "Figo.zhang" <figo1802@gmail.com>
      Cc: Linus Torvalds <torvalds@linux-foundation.org>
      Cc: Rik van Riel <riel@redhat.com>
      Cc: Waiman Long <waiman.long@hp.com>
      Cc: Peter Hurley <peter@hurleysoftware.com>
      Cc: Andrea Arcangeli <aarcange@redhat.com>
      Cc: Tim Chen <tim.c.chen@linux.intel.com>
      Cc: Alex Shi <alex.shi@linaro.org>
      Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
      Cc: Andi Kleen <andi@firstfloor.org>
      Cc: George Spelvin <linux@horizon.com>
      Cc: MichelLespinasse <walken@google.com>
      Cc: Ingo Molnar <mingo@elte.hu>
      Cc: "H. Peter Anvin" <hpa@zytor.com>
      Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>
      Cc: Andrew Morton <akpm@linux-foundation.org>
      Signed-off-by: default avatarPeter Zijlstra <peterz@infradead.org>
      [ Fixed build bug. ]
      Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
      b119fa61
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