Flush the cache so that the instructions written to the XOL area are visible.
Signed-off-by: Rabin Vincent <[email protected]> --- kernel/events/uprobes.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index ca000a9..8c52f93 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -1246,6 +1246,7 @@ static unsigned long xol_get_insn_slot(struct uprobe *uprobe, unsigned long slot offset = current->utask->xol_vaddr & ~PAGE_MASK; vaddr = kmap_atomic(area->page); arch_uprobe_xol_copy(&uprobe->arch, vaddr + offset); + flush_dcache_page(area->page); kunmap_atomic(vaddr); return current->utask->xol_vaddr; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
