Commit ef429124 authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman

powerpc/fsl_booke: ensure SPEFloatingPointException() reenables interrupts

SPEFloatingPointException() is the only exception handler which 'forgets' to
re-enable interrupts. This patch makes sure it does.
Suggested-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarChristophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 90f204b9
...@@ -2088,6 +2088,10 @@ void SPEFloatingPointException(struct pt_regs *regs) ...@@ -2088,6 +2088,10 @@ void SPEFloatingPointException(struct pt_regs *regs)
int code = FPE_FLTUNK; int code = FPE_FLTUNK;
int err; int err;
/* We restore the interrupt state now */
if (!arch_irq_disabled_regs(regs))
local_irq_enable();
flush_spe_to_thread(current); flush_spe_to_thread(current);
spefscr = current->thread.spefscr; spefscr = current->thread.spefscr;
...@@ -2133,6 +2137,10 @@ void SPEFloatingPointRoundException(struct pt_regs *regs) ...@@ -2133,6 +2137,10 @@ void SPEFloatingPointRoundException(struct pt_regs *regs)
extern int speround_handler(struct pt_regs *regs); extern int speround_handler(struct pt_regs *regs);
int err; int err;
/* We restore the interrupt state now */
if (!arch_irq_disabled_regs(regs))
local_irq_enable();
preempt_disable(); preempt_disable();
if (regs->msr & MSR_SPE) if (regs->msr & MSR_SPE)
giveup_spe(current); giveup_spe(current);
......
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