diff options
| author | Noam Camus <noamc@ezchip.com> | 2013-09-12 13:07:39 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-26 17:21:22 -0700 |
| commit | 4e96b8f08b2b67effc19b28bad73deec6c62248a (patch) | |
| tree | 40b3540af28b170bd3808bcb10b668f34de92352 /arch/arc/kernel/irq.c | |
| parent | 5c68732e7504d2e3745c272979c2eeddd7661e5a (diff) | |
ARC: SMP failed to boot due to missing IVT setup
commit c3567f8a359b7917dcffa442301f88ed0a75211f upstream.
Commit 05b016ecf5e7a "ARC: Setup Vector Table Base in early boot" moved
the Interrupt vector Table setup out of arc_init_IRQ() which is called
for all CPUs, to entry point of boot cpu only, breaking booting of others.
Fix by adding the same to entry point of non-boot CPUs too.
read_arc_build_cfg_regs() printing IVT Base Register didn't help the
casue since it prints a synthetic value if zero which is totally bogus,
so fix that to print the exact Register.
[vgupta: Remove the now stale comment from header of arc_init_IRQ and
also added the commentary for halt-on-reset]
Cc: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Noam Camus <noamc@ezchip.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arc/kernel/irq.c')
| -rw-r--r-- | arch/arc/kernel/irq.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c index 305b3f866aa7..5fc92455da36 100644 --- a/arch/arc/kernel/irq.c +++ b/arch/arc/kernel/irq.c @@ -24,7 +24,6 @@ * -Needed for each CPU (hence not foldable into init_IRQ) * * what it does ? - * -setup Vector Table Base Reg - in case Linux not linked at 0x8000_0000 * -Disable all IRQs (on CPU side) * -Optionally, setup the High priority Interrupts as Level 2 IRQs */ |