I'm working on fixing ZFS locking, and I ran into a diference between
NetBSD's and Solaris's interpretation of condvars.
In Solaris, it seems to be kosher to do
cv_broadcast(cv);
cv_destroy(cv);
at least if waiters use only cv_wait and not cv_wait_sig c. That
idiom makes NetBSD very
Date: Sun, 14 Oct 2012 09:37:09 +0200
From: Martin Husemann mar...@duskware.de
In the zfs code, where do they store the mutex needed for cv_wait?
In the two cases I have come across, dirent locks and range locks, a
number of condvars, one per dirent or one per range, share a common
Date: Sun, 14 Oct 2012 10:04:53 +0100
From: David Laight da...@l8s.co.uk
Hmmm IIRC solaris kernel cv_init() is actually a malloc, so cv_destroy()
is a free() - and thus mandatory.
OTOH doesn't NetBSD's cv_init() just initialise the memory, making
cv_destroy() not strictly
Date: Sun, 14 Oct 2012 14:27:48 +
From: Taylor R Campbell campbell+netbsd-tech-k...@mumble.net
In the two cases I have come across, dirent locks and range locks, a
number of condvars, one per dirent or one per range, share a common
mutex in some common enclosing object, such as
Hello all,
I would like to ask whether there are plans to port the Kernel based
virtual machine (KVM) from Linux to NetBSD. I already asked that on the
netbsd-ports list, but Hubert Feyrer said that this list could also be a
good place for this.
I personaly think that KVM is a technology
On Sun, Oct 14, 2012 at 07:20:02AM +, Taylor R Campbell wrote:
I'm working on fixing ZFS locking, and I ran into a diference between
NetBSD's and Solaris's interpretation of condvars.
In Solaris, it seems to be kosher to do
cv_broadcast(cv);
cv_destroy(cv);
at least
In article 20121014193635.6ccf360...@jupiter.mumble.net,
Taylor R Campbell campbell+netbsd-tech-k...@mumble.net wrote:
-=-=-=-=-=-
The attached patches fixes a lot of issues in our zfs port mainly
having to do with locking and our (insane) vop protocols. With it,
many of the zfs tests pass much
On Sun, Oct 14, 2012 at 02:27:48PM +, Taylor R Campbell wrote:
Date: Sun, 14 Oct 2012 09:37:09 +0200
From: Martin Husemann mar...@duskware.de
In the zfs code, where do they store the mutex needed for cv_wait?
In the two cases I have come across, dirent locks and range locks, a
I've run into an issue with gdb on 5.1, and ktrace leads me to think
it's likely a kernel issue (hence this list). It wouldn't surprise me
too much if I were wrong, though; feel free to point me elsewhere if
appropriate.
The surface manifestation is straightforward:
% cat gdbtest.c
int
In article 201210142318.taa11...@sparkle.rodents-montreal.org,
Mouse mo...@rodents-montreal.org wrote:
I've run into an issue with gdb on 5.1, and ktrace leads me to think
it's likely a kernel issue (hence this list). It wouldn't surprise me
too much if I were wrong, though; feel free to point
fwiw, you can usually work around this with setting
SHELL=/bin/sh when invoking gdb.
.mrg.
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