Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932901AbbDMUQW (ORCPT ); Mon, 13 Apr 2015 16:16:22 -0400 Received: from vegas.theobroma-systems.com ([144.76.126.164]:56758 "EHLO mail.theobroma-systems.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932614AbbDMUQK (ORCPT ); Mon, 13 Apr 2015 16:16:10 -0400 From: Philipp Tomsich To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Andrew Pinski , Christoph Muellner , Benedikt Huber , Andreas Kraschitzer , Kumar Sankaran , Catalin Marinas , Philipp Tomsich Subject: [PATCH v4 11/24] arm64:ilp32: add is_ilp32_compat_{task,thread} and TIF_32BIT_AARCH64 Date: Mon, 13 Apr 2015 21:44:21 +0200 Message-Id: <9abd0b5771a96752c5fae1195ed98618c6a24f4a.1428953303.git.philipp.tomsich@theobroma-systems.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2649 Lines: 88 From: Andrew Pinski Signed-off-by: Philipp Tomsich Signed-off-by: Christoph Muellner --- arch/arm64/include/asm/compat.h | 32 ++++++++++++++++++++++++++++++-- arch/arm64/include/asm/thread_info.h | 1 + 2 files changed, 31 insertions(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index 3a2976d..f53c4e6 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -319,6 +319,26 @@ static inline int is_a32_compat_thread(struct thread_info *thread) } #endif +#ifdef CONFIG_ARM64_ILP32 +static inline int is_ilp32_compat_task(void) +{ + return test_thread_flag(TIF_32BIT_AARCH64); +} +static inline int is_ilp32_compat_thread(struct thread_info *thread) +{ + return test_ti_thread_flag(thread, TIF_32BIT_AARCH64); +} +#else +static inline int is_ilp32_compat_task(void) +{ + return 0; +} +static inline int is_ilp32_compat_thread(struct thread_info *thread) +{ + return 0; +} +#endif + #else /* !CONFIG_COMPAT */ static inline int is_compat_thread(struct thread_info *thread) @@ -330,17 +350,25 @@ static inline int is_a32_compat_task(void) { return 0; } +static inline int is_ilp32_compat_task(void) +{ + return 0; +} +static inline int is_ilp32_compat_thread(struct thread_info *thread) +{ + return 0; +} #endif /* CONFIG_COMPAT */ static inline int is_compat_task(void) { - return is_a32_compat_task(); + return is_a32_compat_task() || is_ilp32_compat_task(); } static inline int is_compat_thread(struct thread_info *thread) { - return is_a32_compat_thread(thread); + return is_a32_compat_thread(thread) || is_ilp32_compat_thread(thread); } #endif /* __KERNEL__ */ #endif /* __ASM_COMPAT_H */ diff --git a/arch/arm64/include/asm/thread_info.h b/arch/arm64/include/asm/thread_info.h index 75f8d56..d41586c 100644 --- a/arch/arm64/include/asm/thread_info.h +++ b/arch/arm64/include/asm/thread_info.h @@ -115,6 +115,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SINGLESTEP 21 #define TIF_32BIT 22 /* AARCH32 process */ #define TIF_SWITCH_MM 23 /* deferred switch_mm */ +#define TIF_32BIT_AARCH64 24 /* 32 bit process on AArch64(ILP32) */ #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1 << TIF_NEED_RESCHED) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/