ARM: hw_breakpoint: disable preemption during debug exception handling

[karo-tx-linux.git] / arch / arm / kernel / entry-armv.S

diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index c09e3573c5deb5795042eb1073f210472b0eadbc..34bbef0d2e7e47f94f70f419edb14d838eed21d4 100644 (file)
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -198,6 +198,7 @@ __dabt_svc:
        @
        @ set desired IRQ state, then call main handler
        @
+       debug_entry r1
        msr     cpsr_c, r9
        mov     r2, sp
        bl      do_DataAbort
@@ -324,6 +325,7 @@ __pabt_svc:
 #else
        bl      CPU_PABORT_HANDLER
 #endif
+       debug_entry r1
        msr     cpsr_c, r9                      @ Maybe enable interrupts
        mov     r2, sp                          @ regs
        bl      do_PrefetchAbort                @ call abort handler
@@ -439,6 +441,7 @@ __dabt_usr:
        @
        @ IRQs on, then call the main handler
        @
+       debug_entry r1
        enable_irq
        mov     r2, sp
        adr     lr, BSYM(ret_from_exception)
@@ -703,6 +706,7 @@ __pabt_usr:
 #else
        bl      CPU_PABORT_HANDLER
 #endif
+       debug_entry r1
        enable_irq                              @ Enable interrupts
        mov     r2, sp                          @ regs
        bl      do_PrefetchAbort                @ call abort handler