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(parent: cbd88c8) | patch
lguest: fix for CONFIG_SPARSE_IRQ=y
authorRusty Russell <rusty@rustcorp.com.au>
Mon, 9 Mar 2009 16:06:28 +0000 (10:06 -0600)
committerRusty Russell <rusty@rustcorp.com.au>
Sun, 8 Mar 2009 23:36:29 +0000 (10:06 +1030)
commit6db6a5f3ae2ca6b874b0fd97ae16fdc9b5cdd6cc
tree567ab7d3593f6ab63fecfb8c9797fb4efda67ea7tree | snapshot (tar.gz zip)
parentcbd88c8e6f5cdb8d4b9af01df825305200240382commit | diff
lguest: fix for CONFIG_SPARSE_IRQ=y

Impact: remove lots of lguest boot WARN_ON() when CONFIG_SPARSE_IRQ=y

We now need to call irq_to_desc_alloc_cpu() before
set_irq_chip_and_handler_name(), but we can't do that from init_IRQ (no
kmalloc available).

So do it as we use interrupts instead.  Also means we only alloc for
irqs we use, which was the intent of CONFIG_SPARSE_IRQ anyway.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ingo Molnar <mingo@redhat.com>
arch/x86/lguest/boot.c diff | blob | blame | history
drivers/lguest/lguest_device.c diff | blob | blame | history