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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2017-12-12 16:22:52 +1100 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-12-12 18:39:43 -0600 |
| commit | 9cd69214a129c36016fd3294f5219fa47a50404c (patch) | |
| tree | 30bc693e9289edd9a51f4a699144155c4ed4ad29 | |
| parent | 230c6a9faba869d35e4c991306aab575872e5a0e (diff) | |
| download | skiboot-9cd69214a129c36016fd3294f5219fa47a50404c.zip skiboot-9cd69214a129c36016fd3294f5219fa47a50404c.tar.gz skiboot-9cd69214a129c36016fd3294f5219fa47a50404c.tar.bz2 | |
xive: Do not return a trigger page for an escalation interrupt
This is bogus, we don't support them. (Thankfully the callers
didn't actually try to use this on escalation interrupts).
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
(cherry picked from commit 3e7f04a7398a5dcb38ff11d0b11f630630a3bb74)
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
| -rw-r--r-- | hw/xive.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -2092,8 +2092,8 @@ void *xive_get_trigger_port(uint32_t girq) return NULL; if (GIRQ_IS_ESCALATION(girq)) { - /* Page 2 of the EQ MMIO space is the escalate irq */ - return x->eq_mmio + idx * 0x20000 + 0x10000; + /* There is no trigger page for escalation interrupts */ + return NULL; } else { /* Make sure it's an IPI on that chip */ if (girq < x->int_base || |