Commit 8eb2ba25 authored by Eric W. Biederman's avatar Eric W. Biederman
Browse files

signal/powerpc: Call _exception_pkey directly from bad_key_fault_exception 



This removes the need for other code paths to deal with pkey exceptions.

Reviewed-by: default avatarStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
parent 9f2ee693

arch/powerpc/mm/fault.c

+11 −1
Original line number Diff line number Diff line
@@ -145,7 +145,17 @@ static noinline int bad_area(struct pt_regs *regs, unsigned long address) 
static int bad_key_fault_exception(struct pt_regs *regs, unsigned long address,

				    int pkey)

{

	return __bad_area_nosemaphore(regs, address, SEGV_PKUERR, pkey);

	/*

	 * If we are in kernel mode, bail out with a SEGV, this will

	 * be caught by the assembly which will restore the non-volatile

	 * registers before calling bad_page_fault()

	 */

	if (!user_mode(regs))

		return SIGSEGV;



	_exception_pkey(SIGSEGV, regs, SEGV_PKUERR, address, pkey);



	return 0;

}



static noinline int bad_access(struct pt_regs *regs, unsigned long address)

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