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Commit fc5266ea authored by Anton Blanchard's avatar Anton Blanchard Committed by Paul Mackerras
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[PATCH] powerpc: trivial spelling fixes in fault.c 



This comment exceeded my bad spelling threshold :)

Signed-off-by: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 794e085e

arch/powerpc/mm/fault.c

+3 −3
Original line number Diff line number Diff line
@@ -177,15 +177,15 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, 


	/* When running in the kernel we expect faults to occur only to

	 * addresses in user space.  All other faults represent errors in the

	 * kernel and should generate an OOPS.  Unfortunatly, in the case of an

	 * erroneous fault occuring in a code path which already holds mmap_sem

	 * kernel and should generate an OOPS.  Unfortunately, in the case of an

	 * erroneous fault occurring in a code path which already holds mmap_sem

	 * we will deadlock attempting to validate the fault against the

	 * address space.  Luckily the kernel only validly references user

	 * space from well defined areas of code, which are listed in the

	 * exceptions table.

	 *

	 * As the vast majority of faults will be valid we will only perform

	 * the source reference check when there is a possibilty of a deadlock.

	 * the source reference check when there is a possibility of a deadlock.

	 * Attempt to lock the address space, if we cannot we then validate the

	 * source.  If this is invalid we can skip the address space check,

	 * thus avoiding the deadlock.