diff options
| author | John Keller <jpk@sgi.com> | 2007-08-22 19:32:06 -0500 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2007-09-01 02:49:57 -0700 |
| commit | 6e9de18120988388cdae5097c09e774416d58745 (patch) | |
| tree | 04f7de7bee8d38a4e871970afda136bb5ac853be /arch/ia64/sn/kernel/huberror.c | |
| parent | 1aac0b5739ae192ee812eee09625ebfc08c2d760 (diff) | |
[IA64] SN: Add support for CPU disable
Add additional support for CPU disable on SN platforms.
Correctly setup the smp_affinity mask for I/O error IRQs.
Restrict the use of the feature to Altix 4000 and 450 systems
running with a CPU disable capable PROM, and do not allow disabling
of CPU 0.
Signed-off-by: John Keller <jpk@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/sn/kernel/huberror.c')
| -rw-r--r-- | arch/ia64/sn/kernel/huberror.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/ia64/sn/kernel/huberror.c b/arch/ia64/sn/kernel/huberror.c index 2c3f9dfca78b..b663168da55c 100644 --- a/arch/ia64/sn/kernel/huberror.c +++ b/arch/ia64/sn/kernel/huberror.c @@ -185,11 +185,14 @@ void hubiio_crb_error_handler(struct hubdev_info *hubdev_info) */ void hub_error_init(struct hubdev_info *hubdev_info) { + if (request_irq(SGI_II_ERROR, hub_eint_handler, IRQF_SHARED, - "SN_hub_error", (void *)hubdev_info)) + "SN_hub_error", (void *)hubdev_info)) { printk("hub_error_init: Failed to request_irq for 0x%p\n", hubdev_info); - return; + return; + } + sn_set_err_irq_affinity(SGI_II_ERROR); } @@ -202,11 +205,14 @@ void hub_error_init(struct hubdev_info *hubdev_info) */ void ice_error_init(struct hubdev_info *hubdev_info) { + if (request_irq (SGI_TIO_ERROR, (void *)hub_eint_handler, IRQF_SHARED, "SN_TIO_error", - (void *)hubdev_info)) + (void *)hubdev_info)) { printk("ice_error_init: request_irq() error hubdev_info 0x%p\n", hubdev_info); - return; + return; + } + sn_set_err_irq_affinity(SGI_TIO_ERROR); } |