powerpc/tm: Turn interrupts hard off in tm_reclaim() · c69e63b0f1 - Gogs

powerpc/tm: Turn interrupts hard off in tm_reclaim()

We can't take IRQs in tm_reclaim as we might have a bogus r13 and r1.

This turns IRQs hard off in this function.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Cc: <stable@vger.kernel.org> # 3.9+
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

Michael Neuling 11 years ago

parent

a53b27b3ab

commit

c69e63b0f1

1 changed files with 1 additions and 0 deletions

Split View Show Diff Stats

						
							+ 1
							
							- 0
						
arch/powerpc/kernel/tm.S
							 
								View File
							
				@@ -123,6 +123,7 @@ _GLOBAL(tm_reclaim)
			
				 	mr	r15, r14
			
				 	ori	r15, r15, MSR_FP
			
				 	li	r16, MSR_RI
			
				+	ori	r16, r16, MSR_EE /* IRQs hard off */
			
				 	andc	r15, r15, r16
			
				 	oris	r15, r15, MSR_VEC@h
			
				 #ifdef CONFIG_VSX