From mboxrd@z Thu Jan 1 00:00:00 1970 From: apinski@cavium.com (Andrew Pinski) Date: Wed, 3 Sep 2014 14:19:08 -0700 Subject: [PATCH 14/24] ARM64:ILP32 use the standard start_thread for ILP32 so the processor state is not AARCH32 In-Reply-To: <1409779158-30963-1-git-send-email-apinski@cavium.com> References: <1409779158-30963-1-git-send-email-apinski@cavium.com> Message-ID: <1409779158-30963-15-git-send-email-apinski@cavium.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org If we have both ILP32 and AARCH32 compiled in, we need use the non compat start thread for ILP32. Signed-off-by: Andrew Pinski --- 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