https://github.com/torvalds/linux
Revision 09cf92b784fae6109450c5d64f9908066d605249 authored by Thomas Gleixner on 05 July 2015, 17:12:35 UTC, committed by Thomas Gleixner on 07 July 2015, 09:54:04 UTC
irq_data is protected by irq_desc->lock, so retrieving the irq chip from irq_data outside the lock is racy vs. an concurrent update. Move it into the lock held region. While at it add a comment why the vector walk does not require vector_lock. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: xiao jin <jin.xiao@intel.com> Cc: Joerg Roedel <jroedel@suse.de> Cc: Borislav Petkov <bp@suse.de> Cc: Yanmin Zhang <yanmin_zhang@linux.intel.com> Link: http://lkml.kernel.org/r/20150705171102.331320612@linutronix.de
1 parent cbb24dc
Tip revision: 09cf92b784fae6109450c5d64f9908066d605249 authored by Thomas Gleixner on 05 July 2015, 17:12:35 UTC
x86/irq: Retrieve irq data after locking irq_desc
x86/irq: Retrieve irq data after locking irq_desc
Tip revision: 09cf92b
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| .gitignore | -rw-r--r-- | 39 bytes |
| Makefile | -rw-r--r-- | 10.9 KB |
| README.AddingFirmware | -rw-r--r-- | 1.7 KB |
| WHENCE | -rw-r--r-- | 26.3 KB |
| atmsar11.HEX | -rw-r--r-- | 18.7 KB |
| ihex2fw.c | -rw-r--r-- | 6.6 KB |
| mts_cdma.fw.ihex | -rw-r--r-- | 37.2 KB |
| mts_edge.fw.ihex | -rw-r--r-- | 37.8 KB |
| mts_gsm.fw.ihex | -rw-r--r-- | 37.2 KB |
| ti_3410.fw.ihex | -rw-r--r-- | 37.0 KB |
| ti_5052.fw.ihex | -rw-r--r-- | 37.0 KB |
| whiteheat.HEX | -rw-r--r-- | 43.9 KB |
| whiteheat_loader.HEX | -rw-r--r-- | 11.8 KB |
| whiteheat_loader_debug.HEX | -rw-r--r-- | 17.2 KB |
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