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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-30 14:38:01 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-30 14:38:01 -0700 |
| commit | d42f323a7df0b298c07313db00b44b78555ca8e6 (patch) | |
| tree | e9ac2b9f20fed683ff78b294c3792acb157787e5 /kernel/irq_work.c | |
| parent | 65ec0a7d24913b146cd1500d759b8c340319d55e (diff) | |
| parent | 4d75136be8bf3ae01b0bc3e725b2cdc921e103bd (diff) | |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
"A few misc subsystems and some of MM.
175 patches.
Subsystems affected by this patch series: ia64, kbuild, scripts, sh,
ocfs2, kfifo, vfs, kernel/watchdog, and mm (slab-generic, slub,
kmemleak, debug, pagecache, msync, gup, memremap, memcg, pagemap,
mremap, dma, sparsemem, vmalloc, documentation, kasan, initialization,
pagealloc, and memory-failure)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (175 commits)
mm/memory-failure: unnecessary amount of unmapping
mm/mmzone.h: fix existing kernel-doc comments and link them to core-api
mm: page_alloc: ignore init_on_free=1 for debug_pagealloc=1
net: page_pool: use alloc_pages_bulk in refill code path
net: page_pool: refactor dma_map into own function page_pool_dma_map
SUNRPC: refresh rq_pages using a bulk page allocator
SUNRPC: set rq_page_end differently
mm/page_alloc: inline __rmqueue_pcplist
mm/page_alloc: optimize code layout for __alloc_pages_bulk
mm/page_alloc: add an array-based interface to the bulk page allocator
mm/page_alloc: add a bulk page allocator
mm/page_alloc: rename alloced to allocated
mm/page_alloc: duplicate include linux/vmalloc.h
mm, page_alloc: avoid page_to_pfn() in move_freepages()
mm/Kconfig: remove default DISCONTIGMEM_MANUAL
mm: page_alloc: dump migrate-failed pages
mm/mempolicy: fix mpol_misplaced kernel-doc
mm/mempolicy: rewrite alloc_pages_vma documentation
mm/mempolicy: rewrite alloc_pages documentation
mm/mempolicy: rename alloc_pages_current to alloc_pages
...
Diffstat (limited to 'kernel/irq_work.c')
| -rw-r--r-- | kernel/irq_work.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/irq_work.c b/kernel/irq_work.c index e8da1e71583a..23a7a0ba1388 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -19,7 +19,7 @@ #include <linux/notifier.h> #include <linux/smp.h> #include <asm/processor.h> - +#include <linux/kasan.h> static DEFINE_PER_CPU(struct llist_head, raised_list); static DEFINE_PER_CPU(struct llist_head, lazy_list); @@ -70,6 +70,9 @@ bool irq_work_queue(struct irq_work *work) if (!irq_work_claim(work)) return false; + /*record irq_work call stack in order to print it in KASAN reports*/ + kasan_record_aux_stack(work); + /* Queue the entry and raise the IPI if needed. */ preempt_disable(); __irq_work_queue_local(work); @@ -98,6 +101,8 @@ bool irq_work_queue_on(struct irq_work *work, int cpu) if (!irq_work_claim(work)) return false; + kasan_record_aux_stack(work); + preempt_disable(); if (cpu != smp_processor_id()) { /* Arch remote IPI send/receive backend aren't NMI safe */ |