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Brian Behlendorf
b8296bf3e6
The Fedora 3.6 debug kernel identified the following issue where we create a thread under a spin lock. This isn't safe because sleeping could result in a deadlock. Therefore the lock is changed to a mutex so it's safe to sleep. BUG: sleeping function called from invalid context at mm/slub.c:930 in_atomic(): 1, irqs_disabled(): 0, pid: 10583, name: splat 1 lock held by splat/10583: Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
The Solaris Porting Layer (SPL) is a Linux kernel module which provides many of the Solaris kernel APIs. This shim layer makes it possible to run Solaris kernel code in the Linux kernel with relatively minimal modification. This can be particularly useful when you want to track upstream Solaris development closely and don’t want the overhead of maintaining a large patch which converts Solaris primitives to Linux primitives.
To build packages for your distribution:
$ ./configure
$ make pkg
To copy the kernel code inside your kernel source tree for builtin compilation:
$ ./configure --enable-linux-builtin --with-linux=/usr/src/linux-...
$ ./copy-builtin /usr/src/linux-...
Full documentation for building, configuring, and using the SPL can be found at: http://zfsonlinux.org