daily CVS update output
Updating src tree: P src/distrib/notes/common/extract-contrib-string.pl P src/distrib/notes/common/legal.common P src/distrib/sets/lists/debug/mi P src/distrib/sets/lists/tests/mi P src/external/bsd/unbound/dist/util/netevent.c U src/external/cddl/osnet/dev/dtrace/aarch64/dtrace_asm.S U src/external/cddl/osnet/dev/dtrace/aarch64/dtrace_isa.c U src/external/cddl/osnet/dev/dtrace/aarch64/dtrace_subr.c U src/external/cddl/osnet/dev/dtrace/aarch64/regset.h U src/external/cddl/osnet/dev/fbt/aarch64/fbt_isa.c U src/external/cddl/osnet/dev/fbt/aarch64/fbt_isa.h P src/external/cddl/osnet/dist/lib/libdtrace/aarch64/dt_isadep.c P src/external/cddl/osnet/dist/lib/libdtrace/common/dt_link.c P src/external/cddl/osnet/lib/libdtrace/Makefile P src/games/fortune/datfiles/fortunes P src/share/tmac/doc2html P src/sys/arch/aarch64/aarch64/trap.c P src/sys/arch/aarch64/include/frame.h P src/sys/arch/arm/arm/arm_machdep.c P src/sys/arch/arm/imx/fdt/imx6_spi.c P src/sys/arch/mips/mips/cpu_subr.c P src/sys/arch/mips/rmi/rmixl_cpu.c P src/sys/arch/sh3/sh3/exception.c P src/sys/arch/sparc/sparc/intr.c P src/sys/arch/sparc64/sparc64/machdep.c P src/sys/arch/usermode/dev/cpu.c P src/sys/arch/x86/x86/bus_space.c P src/sys/arch/x86/x86/pmap.c P src/sys/arch/x86/x86/x86_machdep.c P src/sys/dev/dm/device-mapper.c P src/sys/dev/dm/dm.h P src/sys/dev/dm/dm_dev.c P src/sys/dev/dm/dm_ioctl.c P src/sys/dev/dm/dm_pdev.c P src/sys/dev/dm/dm_target.c P src/sys/dev/dm/dm_target_linear.c P src/sys/dev/dm/dm_target_snapshot.c P src/sys/dev/dm/dm_target_stripe.c P src/sys/dev/dm/netbsd-dm.h P src/sys/dev/pci/if_kse.c P src/sys/dev/pci/qat/qat.c P src/sys/dev/usb/usbnet.c P src/sys/external/bsd/dwc2/dwc2.c P src/sys/fs/tmpfs/tmpfs_rename.c P src/sys/kern/kern_cpu.c P src/sys/kern/kern_lock.c P src/sys/kern/kern_lwp.c P src/sys/kern/kern_runq.c P src/sys/kern/kern_softint.c P src/sys/kern/kern_synch.c P src/sys/kern/subr_pool.c P src/sys/kern/subr_pserialize.c P src/sys/modules/cyclic/Makefile P src/sys/modules/dtrace/Makefile P src/sys/netinet/sctp_output.c P src/sys/rump/librump/rumpkern/rump.c P src/sys/sys/atomic.h P src/sys/sys/cpu_data.h P src/sys/sys/module_hook.h P src/sys/sys/pserialize.h P src/sys/sys/sched.h P src/tests/crypto/opencrypto/Makefile U src/tests/crypto/opencrypto/h_sha2hmac.c P src/tests/crypto/opencrypto/t_opencrypto.sh P src/usr.sbin/rtadvd/timer.c Updating xsrc tree: Killing core files: Updating release-7 src tree (netbsd-7): Updating release-7 xsrc tree (netbsd-7): Updating release-8 src tree (netbsd-8): Updating release-8 xsrc tree (netbsd-8): Updating file list: -rw-rw-r-- 1 srcmastr netbsd 34675497 Dec 4 03:11 ls-lRA.gz
Re: vm.ubc_direct
Le mar. 3 déc. 2019 à 18:59, Chuck Silvers a écrit : > On Mon, Dec 02, 2019 at 07:10:52PM +, Andrew Doran wrote: > > Hello, > > > > In light of the recent discussion, and having asked Jaromir his thoughts > on > > the subject, we both think it's time to enable this by default, so it > gets > > wider testing. Is there a good reason not to? > > > > Cheers, > > Andrew > > The current ubc_direct code still has the problem that I pointed out > originally, > which is that it deadlocks if you read() or write() a page of a file into > a mapping of itself. We should not enable this by default until that > problem > is fixed. > Right, I completely forgot about this. I have a small program which triggers the deadlock quite reliably. Never got around to actually add it into test suite because it caused problems also on other system I run it on. Andrew, would you by chance be interested to look at this? Jaromir
Re: vm.ubc_direct
On Tue, Dec 03, 2019 at 09:58:39AM -0800, Chuck Silvers wrote: > The current ubc_direct code still has the problem that I pointed out > originally, > which is that it deadlocks if you read() or write() a page of a file into > a mapping of itself. We should not enable this by default until that problem > is fixed. I didn't know about that. Agree enabling it would be a bad idea then. Cheers, Andrew
Re: vm.ubc_direct
On Mon, Dec 02, 2019 at 07:10:52PM +, Andrew Doran wrote: > Hello, > > In light of the recent discussion, and having asked Jaromir his thoughts on > the subject, we both think it's time to enable this by default, so it gets > wider testing. Is there a good reason not to? > > Cheers, > Andrew The current ubc_direct code still has the problem that I pointed out originally, which is that it deadlocks if you read() or write() a page of a file into a mapping of itself. We should not enable this by default until that problem is fixed. -Chuck
