diff --git a/libitm/ChangeLog b/libitm/ChangeLog index da94906bcd3ccf0eba0f8a4aba9635a261552b7e..2676cbef4b0392452f1c7c84bd4c9845e83fa2d3 100644 --- a/libitm/ChangeLog +++ b/libitm/ChangeLog @@ -1,3 +1,7 @@ +2012-02-20 Torvald Riegel <triegel@redhat.com> + + * method-gl.cc (gl_wt_dispatch::orec): Put on separate cacheline. + 2012-02-20 Torvald Riegel <triegel@redhat.com> * method-gl.cc (gl_wt_dispatch::rollback): Optimize memory orders. diff --git a/libitm/method-gl.cc b/libitm/method-gl.cc index 4fd506ef1543afd521337c9abec352011e986255..4b6769ba2c00a3ff9db724595b5a9d96e376ec92 100644 --- a/libitm/method-gl.cc +++ b/libitm/method-gl.cc @@ -41,7 +41,8 @@ struct gl_mg : public method_group static gtm_word clear_locked(gtm_word l) { return l & ~LOCK_BIT; } // The global ownership record. - atomic<gtm_word> orec; + // No tail-padding necessary (the virtual functions aren't used frequently). + atomic<gtm_word> orec __attribute__((aligned(HW_CACHELINE_SIZE))); virtual void init() { @@ -52,7 +53,6 @@ struct gl_mg : public method_group virtual void fini() { } }; -// TODO cacheline padding static gl_mg o_gl_mg;