Date: Thu, 27 Jul 2006 20:28:00 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 102594 for review Message-ID: <200607272028.k6RKS0E0017619@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=102594 Change 102594 by jhb@jhb_mutex on 2006/07/27 20:27:14 Update. Affected files ... .. //depot/projects/smpng/sys/notes#87 edit Differences ... ==== //depot/projects/smpng/sys/notes#87 (text+ko) ==== @@ -13,7 +13,6 @@ "cc" clobbers yet. - Fixup atomic ops so that they treat the memory pointed to as an output and don't all clobber "memory", instead, just acquire variants clobber "memory". - - alpha - amd64 - why clobber memory in disable_intr()? - eventually we should not clobber all memory for bus_space, but just @@ -62,11 +61,6 @@ buys is being able to swi_sched() from a fast handler, but that doesn't make sense because you can't actually enqueue a task onto its queue from a fast interrupt context -- Try to fix problems with stuck IPIs by raising TPR and enabling interrupts - in spin loops. Need to perhaps generalize this so that critical sections - do this. That really needs to only be done in spinlock_*() (and maybe some - frobbing in intr_execute_handlers()) and needs to happen after the - spinlock_*() changes happen. - KTR change: include __func__ along with __FILE__ and __LINE__ and display it after cpu number by default - Cheapen global stats counters via PCPU_LAZY_INC @@ -85,28 +79,22 @@ + compat32 - svr4 - svr4_stream_get() and friends - + need to see where this is called and see if all of the files - should already have f_ops set correctly and if we can just - allocate so_emuldata directly in streamsopen() - + XXX: svr4_add_socket() can add duplicates? it's ok, just - purge them all on process exit or exec - + change svr4_find_socket() to copy the sockaddr out to a - passed in sockaddr_un and return bool + - Giant will have to protect the actual stream structures for now - svr4_sys_ioctl() - svr4_sys_getmsg() - svr4_sys_putmsg() - + svr4_sys_fchroot() + linux - + linux_uselib() + ibcs2 - don't mess with td_retval in any kern_foo() functions Active child branches: -- jhb_intr - fast ithreads and MSI? (perhaps do MSI in jhb_acpipci) -- jhb_ktrace - kernel debugging stuff, possibly per-thread ktrace -- jhb_lock - rwlocks +- jhb_intr - MSI? +- jhb_intr_fast - jeff's fast ithread patches +- jhb_ktrace - kernel debugging stuff, asm constraints +- jhb_lock - synchronization primitives - jhb_needresched - scheduler fun - jhb_preemption - preemption -- jhb_proc - proc locking, ABI stuff +- jhb_proc - proc locking +- jhb_proc_slock - per-process spin lock Space reserved for child branches:
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