From c9b3b4b90643bb18ec77ea09979758702118c2ce Mon Sep 17 00:00:00 2001 From: Sapan Bhatia Date: Mon, 9 Mar 2009 19:18:12 +0000 Subject: [PATCH] Updated Chopstix patch with a few bugs fixed. --- linux-2.6-590-chopstix-intern.patch | 240 +++++++++++++++++----------- 1 file changed, 148 insertions(+), 92 deletions(-) diff --git a/linux-2.6-590-chopstix-intern.patch b/linux-2.6-590-chopstix-intern.patch index f3aecdb13..5fba163fa 100644 --- a/linux-2.6-590-chopstix-intern.patch +++ b/linux-2.6-590-chopstix-intern.patch @@ -1,6 +1,6 @@ -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/arch/i386/Kconfig linux-2.6.22-590/arch/i386/Kconfig ---- linux-2.6.22-580/arch/i386/Kconfig 2009-02-18 09:56:02.000000000 -0500 -+++ linux-2.6.22-590/arch/i386/Kconfig 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/arch/i386/Kconfig linux-chopstix/arch/i386/Kconfig +--- linux-2.6.22.19/arch/i386/Kconfig 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/arch/i386/Kconfig 2009-03-05 08:46:46.000000000 -0500 @@ -1217,6 +1217,14 @@ source "arch/i386/oprofile/Kconfig" @@ -16,9 +16,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif config KPROBES bool "Kprobes (EXPERIMENTAL)" depends on KALLSYMS && EXPERIMENTAL && MODULES -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/arch/i386/kernel/asm-offsets.c linux-2.6.22-590/arch/i386/kernel/asm-offsets.c ---- linux-2.6.22-580/arch/i386/kernel/asm-offsets.c 2007-07-08 19:32:17.000000000 -0400 -+++ linux-2.6.22-590/arch/i386/kernel/asm-offsets.c 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/arch/i386/kernel/asm-offsets.c linux-chopstix/arch/i386/kernel/asm-offsets.c +--- linux-2.6.22.19/arch/i386/kernel/asm-offsets.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/arch/i386/kernel/asm-offsets.c 2009-03-06 10:24:11.000000000 -0500 @@ -9,6 +9,7 @@ #include #include @@ -56,7 +56,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif + STACKOFFSET(THREAD_esp, thread_struct, esp); + STACKOFFSET(EVENT_event_data, event, event_data); + STACKOFFSET(EVENT_task, event, task); -+ STACKOFFSET(EVENT_event_type, event, event_data); ++ STACKOFFSET(EVENT_event_type, event, event_type); + STACKOFFSET(SPEC_number, event_spec, number); + DEFINE(EVENT_SIZE, sizeof(struct event)); + DEFINE(SPEC_SIZE, sizeof(struct event_spec)); @@ -65,9 +65,46 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif OFFSET(TI_exec_domain, thread_info, exec_domain); OFFSET(TI_flags, thread_info, flags); OFFSET(TI_status, thread_info, status); -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/arch/i386/mm/fault.c linux-2.6.22-590/arch/i386/mm/fault.c ---- linux-2.6.22-580/arch/i386/mm/fault.c 2009-02-18 09:56:02.000000000 -0500 -+++ linux-2.6.22-590/arch/i386/mm/fault.c 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/arch/i386/kernel/entry.S linux-chopstix/arch/i386/kernel/entry.S +--- linux-2.6.22.19/arch/i386/kernel/entry.S 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/arch/i386/kernel/entry.S 2009-03-06 13:31:40.000000000 -0500 +@@ -374,6 +374,33 @@ + cmpl $(nr_syscalls), %eax + jae syscall_badsys + syscall_call: ++ /* Move Chopstix syscall probe here */ ++ /* Save and clobber: eax, ecx, ebp */ ++ pushl %eax ++ pushl %ecx ++ pushl %ebp ++ movl %esp, %ebp ++ subl $SPEC_EVENT_SIZE, %esp ++ movl rec_event, %ecx ++ testl %ecx, %ecx ++ jz carry_on ++ # struct event is first, just below %ebp ++ movl %eax, (SPEC_number-EVENT_SIZE)(%ebp) ++ leal -SPEC_EVENT_SIZE(%ebp), %eax ++ movl %eax, EVENT_event_data(%ebp) ++ movl $6, EVENT_event_type(%ebp) ++ movl rec_event, %edx ++ movl $1, 4(%esp) ++ leal -EVENT_SIZE(%ebp), %eax ++ movl %eax, (%esp) ++ call rec_event_asm ++carry_on: ++ addl $SPEC_EVENT_SIZE, %esp ++ popl %ebp ++ popl %ecx ++ popl %eax ++ /* End chopstix */ ++ + call *sys_call_table(,%eax,4) + movl %eax,PT_EAX(%esp) # store the return value + syscall_exit: +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/arch/i386/mm/fault.c linux-chopstix/arch/i386/mm/fault.c +--- linux-2.6.22.19/arch/i386/mm/fault.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/arch/i386/mm/fault.c 2009-03-05 08:46:46.000000000 -0500 @@ -60,6 +60,15 @@ DIE_PAGE_FAULT, &args); } @@ -93,9 +130,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif fastcall void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code) { -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/block/ll_rw_blk.c linux-2.6.22-590/block/ll_rw_blk.c ---- linux-2.6.22-580/block/ll_rw_blk.c 2009-02-18 09:55:48.000000000 -0500 -+++ linux-2.6.22-590/block/ll_rw_blk.c 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/block/ll_rw_blk.c linux-chopstix/block/ll_rw_blk.c +--- linux-2.6.22.19/block/ll_rw_blk.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/block/ll_rw_blk.c 2009-03-05 08:45:54.000000000 -0500 @@ -30,6 +30,7 @@ #include #include @@ -143,9 +180,22 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif ret = q->make_request_fn(q, bio); } while (ret); } -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/drivers/oprofile/cpu_buffer.c linux-2.6.22-590/drivers/oprofile/cpu_buffer.c ---- linux-2.6.22-580/drivers/oprofile/cpu_buffer.c 2007-07-08 19:32:17.000000000 -0400 -+++ linux-2.6.22-590/drivers/oprofile/cpu_buffer.c 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/drivers/char/Makefile linux-chopstix/drivers/char/Makefile +--- linux-2.6.22.19/drivers/char/Makefile 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/drivers/char/Makefile 2009-03-09 14:47:24.000000000 -0400 +@@ -9,6 +9,9 @@ + + obj-y += mem.o random.o tty_io.o n_tty.o tty_ioctl.o + ++#obj-y += chopstix/ ++#obj-m += chardevice.o ++#obj-m += inject.o + obj-$(CONFIG_LEGACY_PTYS) += pty.o + obj-$(CONFIG_UNIX98_PTYS) += pty.o + obj-y += misc.o +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/drivers/oprofile/cpu_buffer.c linux-chopstix/drivers/oprofile/cpu_buffer.c +--- linux-2.6.22.19/drivers/oprofile/cpu_buffer.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/drivers/oprofile/cpu_buffer.c 2009-03-05 08:47:28.000000000 -0500 @@ -21,6 +21,7 @@ #include #include @@ -209,9 +259,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif } void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event) -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/fs/bio.c linux-2.6.22-590/fs/bio.c ---- linux-2.6.22-580/fs/bio.c 2007-07-08 19:32:17.000000000 -0400 -+++ linux-2.6.22-590/fs/bio.c 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/fs/bio.c linux-chopstix/fs/bio.c +--- linux-2.6.22.19/fs/bio.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/fs/bio.c 2009-03-05 08:46:09.000000000 -0500 @@ -27,6 +27,7 @@ #include #include @@ -268,9 +318,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif if (bio->bi_end_io) bio->bi_end_io(bio, bytes_done, error); } -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/fs/exec.c linux-2.6.22-590/fs/exec.c ---- linux-2.6.22-580/fs/exec.c 2009-02-18 09:56:02.000000000 -0500 -+++ linux-2.6.22-590/fs/exec.c 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/fs/exec.c linux-chopstix/fs/exec.c +--- linux-2.6.22.19/fs/exec.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/fs/exec.c 2009-03-05 08:46:09.000000000 -0500 @@ -27,6 +27,7 @@ #include #include @@ -288,7 +338,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif #include #include #include -@@ -488,6 +489,12 @@ +@@ -486,6 +487,12 @@ if (!err) { struct inode *inode = nd.dentry->d_inode; @@ -301,7 +351,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif file = ERR_PTR(-EACCES); if (!(nd.mnt->mnt_flags & MNT_NOEXEC) && S_ISREG(inode->i_mode)) { -@@ -627,8 +634,10 @@ +@@ -625,8 +632,10 @@ * Reparenting needs write_lock on tasklist_lock, * so it is safe to do it under read_lock. */ @@ -312,9 +362,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif zap_other_threads(tsk); read_unlock(&tasklist_lock); -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/include/linux/arrays.h linux-2.6.22-590/include/linux/arrays.h ---- linux-2.6.22-580/include/linux/arrays.h 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.22-590/include/linux/arrays.h 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/include/linux/arrays.h linux-chopstix/include/linux/arrays.h +--- linux-2.6.22.19/include/linux/arrays.h 1969-12-31 19:00:00.000000000 -0500 ++++ linux-chopstix/include/linux/arrays.h 2009-03-05 08:45:29.000000000 -0500 @@ -0,0 +1,36 @@ +#ifndef __ARRAYS_H__ +#define __ARRAYS_H__ @@ -352,9 +402,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif + struct task_struct *task; +}; +#endif -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/include/linux/mutex.h linux-2.6.22-590/include/linux/mutex.h ---- linux-2.6.22-580/include/linux/mutex.h 2007-07-08 19:32:17.000000000 -0400 -+++ linux-2.6.22-590/include/linux/mutex.h 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/include/linux/mutex.h linux-chopstix/include/linux/mutex.h +--- linux-2.6.22.19/include/linux/mutex.h 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/include/linux/mutex.h 2009-03-05 08:45:29.000000000 -0500 @@ -53,6 +53,10 @@ struct thread_info *owner; const char *name; @@ -366,10 +416,10 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif #endif #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/include/linux/sched.h linux-2.6.22-590/include/linux/sched.h ---- linux-2.6.22-580/include/linux/sched.h 2009-02-18 09:56:02.000000000 -0500 -+++ linux-2.6.22-590/include/linux/sched.h 2009-02-18 09:57:23.000000000 -0500 -@@ -850,6 +850,10 @@ +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/include/linux/sched.h linux-chopstix/include/linux/sched.h +--- linux-2.6.22.19/include/linux/sched.h 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/include/linux/sched.h 2009-03-05 08:45:29.000000000 -0500 +@@ -843,6 +843,10 @@ #endif unsigned long sleep_avg; unsigned long long timestamp, last_ran; @@ -380,9 +430,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif unsigned long long sched_time; /* sched_clock time spent running */ enum sleep_type sleep_type; -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/kernel/mutex.c linux-2.6.22-590/kernel/mutex.c ---- linux-2.6.22-580/kernel/mutex.c 2007-07-08 19:32:17.000000000 -0400 -+++ linux-2.6.22-590/kernel/mutex.c 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/kernel/mutex.c linux-chopstix/kernel/mutex.c +--- linux-2.6.22.19/kernel/mutex.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/kernel/mutex.c 2009-03-05 08:44:37.000000000 -0500 @@ -18,6 +18,17 @@ #include #include @@ -497,9 +547,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif wake_up_process(waiter->task); } -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/kernel/sched.c linux-2.6.22-590/kernel/sched.c ---- linux-2.6.22-580/kernel/sched.c 2009-02-18 09:56:02.000000000 -0500 -+++ linux-2.6.22-590/kernel/sched.c 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/kernel/sched.c linux-chopstix/kernel/sched.c +--- linux-2.6.22.19/kernel/sched.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/kernel/sched.c 2009-03-06 13:02:31.000000000 -0500 @@ -10,7 +10,7 @@ * 1998-11-19 Implemented schedule_timeout() and related stuff * by Andrea Arcangeli @@ -517,9 +567,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif #include #include #include -@@ -59,6 +60,9 @@ - #include - #include +@@ -57,6 +58,9 @@ + #include + #include +#define INTERRUPTIBLE -1 +#define RUNNING 0 @@ -527,7 +577,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif /* * Scheduler clock - returns current time in nanosec units. * This is default implementation. -@@ -431,6 +435,7 @@ +@@ -419,6 +423,7 @@ repeat_lock_task: rq = task_rq(p); @@ -535,7 +585,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif spin_lock(&rq->lock); if (unlikely(rq != task_rq(p))) { spin_unlock(&rq->lock); -@@ -1741,6 +1746,21 @@ +@@ -1697,6 +1702,21 @@ * event cannot wake it up and insert it on the runqueue either. */ p->state = TASK_RUNNING; @@ -557,7 +607,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif /* * Make sure we do not leak PI boosting priority to the child: -@@ -3608,6 +3628,7 @@ +@@ -3554,6 +3574,7 @@ #endif @@ -565,7 +615,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif static inline int interactive_sleep(enum sleep_type sleep_type) { return (sleep_type == SLEEP_INTERACTIVE || -@@ -3617,16 +3638,28 @@ +@@ -3563,16 +3584,28 @@ /* * schedule() is the main scheduler function. */ @@ -575,8 +625,8 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif +struct event_spec { + unsigned long pc; + unsigned long dcookie; -+ unsigned count; -+ unsigned char reason; ++ unsigned int count; ++ unsigned int reason; +}; +#endif + @@ -595,7 +645,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif /* * Test if we are atomic. Since do_exit() needs to call into -@@ -3680,6 +3713,7 @@ +@@ -3626,6 +3659,7 @@ switch_count = &prev->nivcsw; if (prev->state && !(preempt_count() & PREEMPT_ACTIVE)) { switch_count = &prev->nvcsw; @@ -603,9 +653,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif if (unlikely((prev->state & TASK_INTERRUPTIBLE) && unlikely(signal_pending(prev)))) prev->state = TASK_RUNNING; -@@ -3689,6 +3723,17 @@ - vx_uninterruptible_inc(prev); - } +@@ -3633,6 +3667,17 @@ + if (prev->state == TASK_UNINTERRUPTIBLE) + rq->nr_uninterruptible++; deactivate_task(prev, rq); +#ifdef CONFIG_CHOPSTIX + /* An uninterruptible process just yielded. Record the current jiffie */ @@ -621,7 +671,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif } } -@@ -3765,6 +3810,40 @@ +@@ -3696,6 +3741,40 @@ prev->sleep_avg = 0; prev->timestamp = prev->last_ran = now; @@ -642,13 +692,13 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif + if (diff >= HZ/10) { + struct event event; + struct event_spec espec; -+ unsigned long eip; ++ struct pt_regs *regs; ++ regs = task_pt_regs(current); + + espec.reason = sampling_reason; -+ eip = next->thread.esp & 4095; + event.event_data=&espec; + event.task=next; -+ espec.pc=eip; ++ espec.pc=regs->eip; + event.event_type=2; + /* index in the event array currently set up */ + /* make sure the counters are loaded in the order we want them to show up*/ @@ -662,7 +712,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif sched_info_switch(prev, next); if (likely(prev != next)) { next->timestamp = next->last_ran = now; -@@ -4664,6 +4743,7 @@ +@@ -4594,6 +4673,7 @@ get_task_struct(p); read_unlock(&tasklist_lock); @@ -670,7 +720,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif retval = -EPERM; if ((current->euid != p->euid) && (current->euid != p->uid) && !capable(CAP_SYS_NICE)) -@@ -5032,6 +5112,7 @@ +@@ -4962,6 +5042,7 @@ jiffies_to_timespec(p->policy == SCHED_FIFO ? 0 : task_timeslice(p), &t); read_unlock(&tasklist_lock); @@ -678,7 +728,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif retval = copy_to_user(interval, &t, sizeof(t)) ? -EFAULT : 0; out_nounlock: return retval; -@@ -7275,3 +7356,14 @@ +@@ -7200,3 +7281,20 @@ } #endif @@ -688,14 +738,20 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif + +/* To support safe calling from asm */ +asmlinkage void rec_event_asm (struct event *event_signature_in, unsigned int count) { ++ struct pt_regs *regs; ++ struct event_spec *es = event_signature_in->event_data; ++ regs = task_pt_regs(current); ++ event_signature_in->task=current; ++ es->pc=regs->eip; ++ event_signature_in->count=1; + (*rec_event)(event_signature_in, count); +} +EXPORT_SYMBOL(rec_event); +EXPORT_SYMBOL(in_sched_functions); +#endif -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/mm/memory.c linux-2.6.22-590/mm/memory.c ---- linux-2.6.22-580/mm/memory.c 2009-02-18 09:56:03.000000000 -0500 -+++ linux-2.6.22-590/mm/memory.c 2009-02-18 09:57:23.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/mm/memory.c linux-chopstix/mm/memory.c +--- linux-2.6.22.19/mm/memory.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/mm/memory.c 2009-03-05 08:46:20.000000000 -0500 @@ -59,6 +59,7 @@ #include @@ -704,8 +760,8 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif #ifndef CONFIG_NEED_MULTIPLE_NODES /* use the per-pgdat data instead for discontigmem - mbligh */ -@@ -2601,6 +2602,15 @@ - return ret; +@@ -2581,6 +2582,15 @@ + return VM_FAULT_MINOR; } +extern void (*rec_event)(void *,unsigned int); @@ -720,7 +776,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif /* * By the time we get here, we already hold the mm semaphore */ -@@ -2630,6 +2640,24 @@ +@@ -2610,6 +2620,24 @@ if (!pte) return VM_FAULT_OOM; @@ -745,9 +801,9 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif return handle_pte_fault(mm, vma, address, pte, pmd, write_access); } -diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' linux-2.6.22-580/mm/slab.c linux-2.6.22-590/mm/slab.c ---- linux-2.6.22-580/mm/slab.c 2009-02-18 09:56:03.000000000 -0500 -+++ linux-2.6.22-590/mm/slab.c 2009-02-18 10:00:42.000000000 -0500 +diff -Nurb --exclude='*.orig' --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.diff' --exclude='*.svn*' linux-2.6.22.19/mm/slab.c linux-chopstix/mm/slab.c +--- linux-2.6.22.19/mm/slab.c 2008-02-25 18:59:40.000000000 -0500 ++++ linux-chopstix/mm/slab.c 2009-03-05 08:46:20.000000000 -0500 @@ -110,11 +110,13 @@ #include #include @@ -777,7 +833,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif /* * struct array_cache * -@@ -3443,6 +3453,19 @@ +@@ -3439,6 +3449,19 @@ local_irq_restore(save_flags); objp = cache_alloc_debugcheck_after(cachep, flags, objp, caller); prefetchw(objp); @@ -797,7 +853,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif return objp; } -@@ -3549,12 +3572,26 @@ +@@ -3545,12 +3568,25 @@ * Release an obj back to its cache. If the obj has a constructed state, it must * be in this state _before_ it is released. Called with disabled ints. */ @@ -809,24 +865,23 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif check_irq_off(); - objp = cache_free_debugcheck(cachep, objp, __builtin_return_address(0)); + objp = cache_free_debugcheck(cachep, objp, caller); -+ #ifdef CONFIG_CHOPSTIX -+ if (rec_event && objp) { -+ struct event event; -+ struct event_spec espec; -+ -+ espec.reason = 1; /* free */ -+ event.event_data=&espec; -+ event.task = current; -+ espec.pc=caller; -+ event.event_type=4; -+ (*rec_event)(&event, cachep->buffer_size); -+ } -+ #endif -+ - vx_slab_free(cachep); ++#ifdef CONFIG_CHOPSTIX ++ if (rec_event && objp) { ++ struct event event; ++ struct event_spec espec; ++ ++ espec.reason = 1; /* free */ ++ event.event_data=&espec; ++ event.task = current; ++ espec.pc=caller; ++ event.event_type=4; ++ (*rec_event)(&event, cachep->buffer_size); ++ } ++#endif if (cache_free_alien(cachep, objp)) -@@ -3651,16 +3688,19 @@ + return; +@@ -3646,16 +3682,19 @@ __builtin_return_address(0)); } EXPORT_SYMBOL(kmem_cache_alloc_node); @@ -848,7 +903,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif } #ifdef CONFIG_DEBUG_SLAB -@@ -3696,6 +3736,7 @@ +@@ -3691,6 +3730,7 @@ void *caller) { struct kmem_cache *cachep; @@ -856,7 +911,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif /* If you want to save a few bytes .text space: replace * __ with kmem_. -@@ -3705,9 +3746,10 @@ +@@ -3700,9 +3740,10 @@ cachep = __find_general_cachep(size, flags); if (unlikely(cachep == NULL)) return NULL; @@ -869,7 +924,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif #ifdef CONFIG_DEBUG_SLAB void *__kmalloc(size_t size, gfp_t flags) -@@ -3723,10 +3765,17 @@ +@@ -3718,10 +3759,17 @@ EXPORT_SYMBOL(__kmalloc_track_caller); #else @@ -887,7 +942,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif EXPORT_SYMBOL(__kmalloc); #endif -@@ -3792,7 +3841,7 @@ +@@ -3787,7 +3835,7 @@ local_irq_save(flags); debug_check_no_locks_freed(objp, obj_size(cachep)); @@ -896,7 +951,7 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif local_irq_restore(flags); } EXPORT_SYMBOL(kmem_cache_free); -@@ -3817,7 +3866,7 @@ +@@ -3812,7 +3860,7 @@ kfree_debugcheck(objp); c = virt_to_cache(objp); debug_check_no_locks_freed(objp, obj_size(c)); @@ -904,3 +959,4 @@ diff -Nurb --exclude='*.swp' --exclude=tags --exclude='*.patch' --exclude='*.dif + __cache_free(c, (void *)objp,__builtin_return_address(0)); local_irq_restore(flags); } + EXPORT_SYMBOL(kfree); -- 2.43.0