/* Common header for intel-gtt.ko and i915.ko */ #ifndef _DRM_INTEL_GTT_H #define _DRM_INTEL_GTT_H void intel_gtt_get(u64 *gtt_total, size_t *stolen_size, phys_addr_t *mappable_base, u64 *mappable_end); int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, struct agp_bridge_data *bridge); void intel_gmch_remove(void); bool intel_enable_gtt(void); void intel_gtt_chipset_flush(void); void intel_gtt_insert_page(dma_addr_t addr, unsigned int pg, unsigned int flags); void intel_gtt_insert_sg_entries(struct sg_table *st, unsigned int pg_start, unsigned int flags); void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries); /* Special gtt memory types */ #define AGP_DCACHE_MEMORY 1 #define AGP_PHYS_MEMORY 2 /* flag for GFDT type */ #define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) #ifdef CONFIG_INTEL_IOMMU extern int intel_iommu_gfx_mapped; #endif #endif '> net-next plumbingsTobias Klauser
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authorChristoph Hellwig <hch@lst.de>2017-01-30 13:15:41 +0100
committerBjorn Helgaas <bhelgaas@google.com>2017-02-02 10:35:46 -0600
commitdfef358bd1beb4e7b5c94eca944be9cd23dfc752 (patch)
treeb9a2afb38a4c2ac8ad31f49ec0d71fe9e5b1994c /sound/drivers/ml403-ac97cr.c
parent030305d69fc6963c16003f50d7e8d74b02d0a143 (diff)
PCI/MSI: Don't apply affinity if there aren't enough vectors left
Bart reported a problem wіth an out of bounds access in the low-level IRQ affinity code, which we root caused to the qla2xxx driver assigning all its MSI-X vectors to the pre and post vectors, and not having any left for the actually spread IRQs. Fix this issue by not asking for affinity assignment when there are no vectors to assign left. Fixes: 402723ad5c62 ("PCI/MSI: Provide pci_alloc_irq_vectors_affinity()") Link: https://lkml.kernel.org/r/1485359225.3093.3.camel@sandisk.com Reported-by: Bart Van Assche <bart.vanassche@sandisk.com> Tested-by: Bart Van Assche <bart.vanassche@sandisk.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'sound/drivers/ml403-ac97cr.c')