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Subject[PATCH 14/24] ARM64:ILP32 use the standard start_thread for ILP32 so the processor state is not AARCH32
Date
If we have both ILP32 and AARCH32 compiled in, we need use the non compat start
thread for ILP32.

Signed-off-by: Andrew Pinski <apinski@cavium.com>
---
arch/arm64/include/asm/processor.h | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 286b1be..7bd9f32 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -104,6 +104,17 @@ static inline void start_thread(struct pt_regs *regs, unsigned long pc,
static inline void compat_start_thread(struct pt_regs *regs, unsigned long pc,
unsigned long sp)
{
+#ifdef CONFIG_ARM64_ILP32
+ /*
+ * ILP32 thread are started the same way as LP64 threads.
+ * Note we cannot use is_ilp32_compat_task here as that
+ * would introduce a header depency issue.
+ */
+ if (!test_thread_flag(TIF_AARCH32)) {
+ start_thread(regs, pc, sp);
+ return;
+ }
+#endif
start_thread_common(regs, pc);
regs->pstate = COMPAT_PSR_MODE_USR;
if (pc & 1)
--
1.7.2.5


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