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| author | Prarit Bhargava <prarit@sgi.com> | 2005-07-06 15:30:25 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-07-06 15:30:25 -0700 |
| commit | 7fe4c1b16854f0440939c62b8102cbf5c75e7cdc (patch) | |
| tree | 4ec5ef085c011a582454f4a6df2705f4ce339ca3 /include/asm-ia64 | |
| parent | 6f354b014b51716166f13f68b29212d3c44ed2c4 (diff) | |
| download | lwn-7fe4c1b16854f0440939c62b8102cbf5c75e7cdc.tar.gz lwn-7fe4c1b16854f0440939c62b8102cbf5c75e7cdc.zip | |
[IA64] hotplug/ia64: SN Hotplug Driver - PREEMPT/pcibus_info fix
This patch fixes an issue with the PROM and a kernel running with
CONFIG_PREEMPT enabled. When CONFIG_PREEMPT is enabled, the size of a
spinlock_t changes -- resulting in the PROM writing to an incorrect location.
Signed-off-by: Prarit Bhargava <prarit@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64')
| -rw-r--r-- | include/asm-ia64/sn/pcibr_provider.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-ia64/sn/pcibr_provider.h b/include/asm-ia64/sn/pcibr_provider.h index 2299c3ad2e33..f9b8d2164007 100644 --- a/include/asm-ia64/sn/pcibr_provider.h +++ b/include/asm-ia64/sn/pcibr_provider.h @@ -108,10 +108,11 @@ struct pcibus_info { char pbi_hub_xid; uint64_t pbi_devreg[8]; - spinlock_t pbi_lock; uint32_t pbi_valid_devices; uint32_t pbi_enabled_devices; + + spinlock_t pbi_lock; }; /* |