7db15418d3
Since at least kernel 6.1, flush_dcache_page() is called with IRQs disabled, e.g. from aio_complete(). But the current implementation for flush_dcache_page() on NIOS2 unintentionally re-enables IRQs, which may lead to deadlocks. Fix it by using xa_lock_irqsave() and xa_unlock_irqrestore() for the flush_dcache_mmap_*lock() macros instead. Link: https://lkml.kernel.org/r/ZOTF5WWURQNH9+iw@p100 Signed-off-by: Helge Deller <deller@gmx.de> Cc: Dinh Nguyen <dinguyen@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|---|---|---|
| .. | ||
| Makefile | ||
| cacheflush.c | ||
| dma-mapping.c | ||
| extable.c | ||
| fault.c | ||
| init.c | ||
| ioremap.c | ||
| mmu_context.c | ||
| pgtable.c | ||
| tlb.c | ||
| uaccess.c | ||