On Tue, Sep 06, 2022 at 11:59:43AM +0200, Alexander A Sverdlin wrote: > From: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx> > > For irq_domain_associate() to work the virq descriptor has to be > pre-allocated in advance. Otherwise the following happens: > > WARNING: CPU: 0 PID: 0 at .../kernel/irq/irqdomain.c:527 irq_domain_associate+0x298/0x2e8 > error: virq128 is not allocated > Modules linked in: > CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.78-... #1 > ... > Call Trace: > [<ffffffff801344c4>] show_stack+0x9c/0x130 > [<ffffffff80769550>] dump_stack+0x90/0xd0 > [<ffffffff801576d0>] __warn+0x118/0x130 > [<ffffffff80157734>] warn_slowpath_fmt+0x4c/0x70 > [<ffffffff801b83c0>] irq_domain_associate+0x298/0x2e8 > [<ffffffff80a43bb8>] octeon_irq_init_ciu+0x4c8/0x53c > [<ffffffff80a76cbc>] of_irq_init+0x1e0/0x388 > [<ffffffff80a452cc>] init_IRQ+0x4c/0xf4 > [<ffffffff80a3cc00>] start_kernel+0x404/0x698 > > Use irq_alloc_desc_at() to avoid the above problem. > > Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx> > --- > arch/mips/cavium-octeon/octeon-irq.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) applied to mips-fixes. Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
