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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2017-01-15 22:36:33 -0600 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-02-02 18:22:42 +1100 |
| commit | fe796b5f51bfd58c8e007961ac13f639dc801657 (patch) | |
| tree | 1513fe5fcef9daf97872f2292b4378a9591a933c /hw | |
| parent | 598db01e44442b4f07b2bf22eaef2fa5db243f19 (diff) | |
| download | skiboot-fe796b5f51bfd58c8e007961ac13f639dc801657.zip skiboot-fe796b5f51bfd58c8e007961ac13f639dc801657.tar.gz skiboot-fe796b5f51bfd58c8e007961ac13f639dc801657.tar.bz2 | |
xive: Fix opal_xive_check_pending()
We were calculating the mask all wrong... we got lucky in the
normal case though.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/xive.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -2916,7 +2916,7 @@ static uint8_t xive_sanitize_cppr(uint8_t cppr) static inline uint8_t opal_xive_check_pending(struct xive_cpu_state *xs, uint8_t cppr) { - uint8_t mask = (cppr > 7) ? 0xff : ((1 << cppr) - 1); + uint8_t mask = (cppr > 7) ? 0xff : ~((0x100 >> cppr) - 1); return xs->pending & mask; } @@ -2926,9 +2926,9 @@ static int64_t opal_xive_eoi(uint32_t xirr) struct cpu_thread *c = this_cpu(); struct xive_cpu_state *xs = c->xstate; uint32_t isn = xirr & 0x00ffffff; - uint8_t cppr, irqprio; struct xive *src_x; bool special_ipi = false; + uint8_t cppr; /* * In exploitation mode, this is supported as a way to perform |