From: Yury Norov <ynorov@caviumnetworks.com> To: arnd@arndb.de, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org Cc: szabolcs.nagy@arm.com, heiko.carstens@de.ibm.com, cmetcalf@ezchip.com, ynorov@caviumnetworks.com, philipp.tomsich@theobroma-systems.com, joseph@codesourcery.com, zhouchengming1@huawei.com, Prasun.Kapoor@caviumnetworks.com, agraf@suse.de, geert@linux-m68k.org, kilobyte@angband.pl, manuel.montezelo@gmail.com, pinskia@gmail.com, linyongting@huawei.com, klimov.linux@gmail.com, broonie@kernel.org, bamvor.zhangjian@huawei.com, maxim.kuvyrkov@linaro.org, Nathan_Lynch@mentor.com, schwidefsky@de.ibm.com, davem@davemloft.net, christoph.muellner@theobroma-systems.com Subject: [PATCH 06/18] thread: move thread bits accessors to separated file Date: Fri, 21 Oct 2016 23:33:05 +0300 [thread overview] Message-ID: <1477081997-4770-7-git-send-email-ynorov@caviumnetworks.com> (raw) In-Reply-To: <1477081997-4770-1-git-send-email-ynorov@caviumnetworks.com> They may be accessed from low-level code, so isolating is a measure to avoid circular dependencies in header files. The exact reason for circular dependency is WARN_ON() macro added in patch [edd63a27] "set_restore_sigmask() is never called without SIGPENDING (and never should be)" Signed-off-by: Yury Norov <ynorov@caviumnetworks.com> --- include/linux/thread_bits.h | 54 +++++++++++++++++++++++++++++++++++++++++++++ include/linux/thread_info.h | 44 +----------------------------------- 2 files changed, 55 insertions(+), 43 deletions(-) create mode 100644 include/linux/thread_bits.h diff --git a/include/linux/thread_bits.h b/include/linux/thread_bits.h new file mode 100644 index 0000000..ed788b0 --- /dev/null +++ b/include/linux/thread_bits.h @@ -0,0 +1,54 @@ + +/* thread_bits.h: common low-level thread bits accessors */ + +#ifndef _LINUX_THREAD_BITS_H +#define _LINUX_THREAD_BITS_H + +#ifndef __ASSEMBLY__ + +#include <linux/bitops.h> +#include <asm/thread_info.h> + +/* + * flag set/clear/test wrappers + * - pass TIF_xxxx constants to these functions + */ + +static inline void set_ti_thread_flag(struct thread_info *ti, int flag) +{ + set_bit(flag, (unsigned long *)&ti->flags); +} + +static inline void clear_ti_thread_flag(struct thread_info *ti, int flag) +{ + clear_bit(flag, (unsigned long *)&ti->flags); +} + +static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag) +{ + return test_and_set_bit(flag, (unsigned long *)&ti->flags); +} + +static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int flag) +{ + return test_and_clear_bit(flag, (unsigned long *)&ti->flags); +} + +static inline int test_ti_thread_flag(struct thread_info *ti, int flag) +{ + return test_bit(flag, (unsigned long *)&ti->flags); +} + +#define set_thread_flag(flag) \ + set_ti_thread_flag(current_thread_info(), flag) +#define clear_thread_flag(flag) \ + clear_ti_thread_flag(current_thread_info(), flag) +#define test_and_set_thread_flag(flag) \ + test_and_set_ti_thread_flag(current_thread_info(), flag) +#define test_and_clear_thread_flag(flag) \ + test_and_clear_ti_thread_flag(current_thread_info(), flag) +#define test_thread_flag(flag) \ + test_ti_thread_flag(current_thread_info(), flag) + +#endif /* !__ASSEMBLY__ */ +#endif /* _LINUX_THREAD_BITS_H */ diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 45f004e..f6e3239 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -65,8 +65,7 @@ struct restart_block { extern long do_no_restart_syscall(struct restart_block *parm); -#include <linux/bitops.h> -#include <asm/thread_info.h> +#include <linux/thread_bits.h> #ifdef __KERNEL__ @@ -77,47 +76,6 @@ extern long do_no_restart_syscall(struct restart_block *parm); # define THREADINFO_GFP (GFP_KERNEL_ACCOUNT | __GFP_NOTRACK) #endif -/* - * flag set/clear/test wrappers - * - pass TIF_xxxx constants to these functions - */ - -static inline void set_ti_thread_flag(struct thread_info *ti, int flag) -{ - set_bit(flag, (unsigned long *)&ti->flags); -} - -static inline void clear_ti_thread_flag(struct thread_info *ti, int flag) -{ - clear_bit(flag, (unsigned long *)&ti->flags); -} - -static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag) -{ - return test_and_set_bit(flag, (unsigned long *)&ti->flags); -} - -static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int flag) -{ - return test_and_clear_bit(flag, (unsigned long *)&ti->flags); -} - -static inline int test_ti_thread_flag(struct thread_info *ti, int flag) -{ - return test_bit(flag, (unsigned long *)&ti->flags); -} - -#define set_thread_flag(flag) \ - set_ti_thread_flag(current_thread_info(), flag) -#define clear_thread_flag(flag) \ - clear_ti_thread_flag(current_thread_info(), flag) -#define test_and_set_thread_flag(flag) \ - test_and_set_ti_thread_flag(current_thread_info(), flag) -#define test_and_clear_thread_flag(flag) \ - test_and_clear_ti_thread_flag(current_thread_info(), flag) -#define test_thread_flag(flag) \ - test_ti_thread_flag(current_thread_info(), flag) - #define tif_need_resched() test_thread_flag(TIF_NEED_RESCHED) #ifndef CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Yury Norov <ynorov@caviumnetworks.com> To: arnd@arndb.de, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org Cc: schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, ynorov@caviumnetworks.com, pinskia@gmail.com, broonie@kernel.org, joseph@codesourcery.com, christoph.muellner@theobroma-systems.com, bamvor.zhangjian@huawei.com, szabolcs.nagy@arm.com, klimov.linux@gmail.com, Nathan_Lynch@mentor.com, agraf@suse.de, Prasun.Kapoor@caviumnetworks.com, kilobyte@angband.pl, geert@linux-m68k.org, philipp.tomsich@theobroma-systems.com, manuel.montezelo@gmail.com, linyongting@huawei.com, maxim.kuvyrkov@linaro.org, davem@davemloft.net, zhouchengming1@huawei.com, cmetcalf@ezchip.com Subject: [PATCH 06/18] thread: move thread bits accessors to separated file Date: Fri, 21 Oct 2016 23:33:05 +0300 [thread overview] Message-ID: <1477081997-4770-7-git-send-email-ynorov@caviumnetworks.com> (raw) Message-ID: <20161021203305.tqaX91AdL7qPGsanyxSegvPhq5T5n6IkkIACWdUk1fQ@z> (raw) In-Reply-To: <1477081997-4770-1-git-send-email-ynorov@caviumnetworks.com> They may be accessed from low-level code, so isolating is a measure to avoid circular dependencies in header files. The exact reason for circular dependency is WARN_ON() macro added in patch [edd63a27] "set_restore_sigmask() is never called without SIGPENDING (and never should be)" Signed-off-by: Yury Norov <ynorov@caviumnetworks.com> --- include/linux/thread_bits.h | 54 +++++++++++++++++++++++++++++++++++++++++++++ include/linux/thread_info.h | 44 +----------------------------------- 2 files changed, 55 insertions(+), 43 deletions(-) create mode 100644 include/linux/thread_bits.h diff --git a/include/linux/thread_bits.h b/include/linux/thread_bits.h new file mode 100644 index 0000000..ed788b0 --- /dev/null +++ b/include/linux/thread_bits.h @@ -0,0 +1,54 @@ + +/* thread_bits.h: common low-level thread bits accessors */ + +#ifndef _LINUX_THREAD_BITS_H +#define _LINUX_THREAD_BITS_H + +#ifndef __ASSEMBLY__ + +#include <linux/bitops.h> +#include <asm/thread_info.h> + +/* + * flag set/clear/test wrappers + * - pass TIF_xxxx constants to these functions + */ + +static inline void set_ti_thread_flag(struct thread_info *ti, int flag) +{ + set_bit(flag, (unsigned long *)&ti->flags); +} + +static inline void clear_ti_thread_flag(struct thread_info *ti, int flag) +{ + clear_bit(flag, (unsigned long *)&ti->flags); +} + +static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag) +{ + return test_and_set_bit(flag, (unsigned long *)&ti->flags); +} + +static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int flag) +{ + return test_and_clear_bit(flag, (unsigned long *)&ti->flags); +} + +static inline int test_ti_thread_flag(struct thread_info *ti, int flag) +{ + return test_bit(flag, (unsigned long *)&ti->flags); +} + +#define set_thread_flag(flag) \ + set_ti_thread_flag(current_thread_info(), flag) +#define clear_thread_flag(flag) \ + clear_ti_thread_flag(current_thread_info(), flag) +#define test_and_set_thread_flag(flag) \ + test_and_set_ti_thread_flag(current_thread_info(), flag) +#define test_and_clear_thread_flag(flag) \ + test_and_clear_ti_thread_flag(current_thread_info(), flag) +#define test_thread_flag(flag) \ + test_ti_thread_flag(current_thread_info(), flag) + +#endif /* !__ASSEMBLY__ */ +#endif /* _LINUX_THREAD_BITS_H */ diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 45f004e..f6e3239 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -65,8 +65,7 @@ struct restart_block { extern long do_no_restart_syscall(struct restart_block *parm); -#include <linux/bitops.h> -#include <asm/thread_info.h> +#include <linux/thread_bits.h> #ifdef __KERNEL__ @@ -77,47 +76,6 @@ extern long do_no_restart_syscall(struct restart_block *parm); # define THREADINFO_GFP (GFP_KERNEL_ACCOUNT | __GFP_NOTRACK) #endif -/* - * flag set/clear/test wrappers - * - pass TIF_xxxx constants to these functions - */ - -static inline void set_ti_thread_flag(struct thread_info *ti, int flag) -{ - set_bit(flag, (unsigned long *)&ti->flags); -} - -static inline void clear_ti_thread_flag(struct thread_info *ti, int flag) -{ - clear_bit(flag, (unsigned long *)&ti->flags); -} - -static inline int test_and_set_ti_thread_flag(struct thread_info *ti, int flag) -{ - return test_and_set_bit(flag, (unsigned long *)&ti->flags); -} - -static inline int test_and_clear_ti_thread_flag(struct thread_info *ti, int flag) -{ - return test_and_clear_bit(flag, (unsigned long *)&ti->flags); -} - -static inline int test_ti_thread_flag(struct thread_info *ti, int flag) -{ - return test_bit(flag, (unsigned long *)&ti->flags); -} - -#define set_thread_flag(flag) \ - set_ti_thread_flag(current_thread_info(), flag) -#define clear_thread_flag(flag) \ - clear_ti_thread_flag(current_thread_info(), flag) -#define test_and_set_thread_flag(flag) \ - test_and_set_ti_thread_flag(current_thread_info(), flag) -#define test_and_clear_thread_flag(flag) \ - test_and_clear_ti_thread_flag(current_thread_info(), flag) -#define test_thread_flag(flag) \ - test_ti_thread_flag(current_thread_info(), flag) - #define tif_need_resched() test_thread_flag(TIF_NEED_RESCHED) #ifndef CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES -- 2.7.4
next prev parent reply other threads:[~2016-10-21 20:33 UTC|newest] Thread overview: 117+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-10-21 20:32 [RFC3 nowrap: PATCH v7 00/18] ILP32 for ARM64 Yury Norov 2016-10-21 20:32 ` Yury Norov 2016-10-21 20:33 ` [PATCH 01/18] 32-bit ABI: introduce ARCH_32BIT_OFF_T config option Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-24 16:30 ` Chris Metcalf 2016-10-24 16:30 ` Chris Metcalf 2016-10-24 22:22 ` Arnd Bergmann 2016-10-27 9:29 ` Yury Norov 2016-10-27 9:29 ` Yury Norov 2016-10-21 20:33 ` [PATCH 02/18] arm64: ilp32: add documentation on the ILP32 ABI for ARM64 Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-24 16:36 ` Chris Metcalf 2016-10-24 16:36 ` Chris Metcalf 2016-10-27 9:40 ` Yury Norov 2016-10-27 9:40 ` Yury Norov 2016-10-21 20:33 ` [PATCH 03/18] arm64: rename COMPAT to AARCH32_EL0 in Kconfig Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-21 20:33 ` [PATCH 04/18] arm64: ensure the kernel is compiled for LP64 Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-21 20:33 ` [PATCH 05/18] arm64:uapi: set __BITS_PER_LONG correctly for ILP32 and LP64 Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-21 20:33 ` Yury Norov [this message] 2016-10-21 20:33 ` [PATCH 06/18] thread: move thread bits accessors to separated file Yury Norov 2016-10-21 20:33 ` [PATCH 07/18] arm64: introduce is_a32_task and is_a32_thread (for AArch32 compat) Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-21 20:33 ` [PATCH 08/18] arm64: ilp32: add is_ilp32_compat_{task, thread} and TIF_32BIT_AARCH64 Yury Norov 2016-10-21 20:33 ` [PATCH 08/18] arm64: ilp32: add is_ilp32_compat_{task,thread} " Yury Norov 2016-10-21 20:33 ` [PATCH 09/18] arm64: introduce binfmt_elf32.c Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-12-05 15:10 ` Catalin Marinas 2016-12-14 9:39 ` Yury Norov 2016-12-14 9:39 ` Yury Norov 2016-10-21 20:33 ` [PATCH 10/18] arm64: ilp32: introduce binfmt_ilp32.c Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-12-05 15:38 ` Catalin Marinas 2016-12-05 15:38 ` Catalin Marinas 2016-12-21 18:56 ` Yury Norov 2016-12-21 18:56 ` Yury Norov 2017-01-06 14:48 ` Catalin Marinas 2017-01-06 14:48 ` Catalin Marinas 2016-10-21 20:33 ` [PATCH 11/18] arm64: ilp32: share aarch32 syscall handlers Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-12-05 17:12 ` Catalin Marinas 2016-12-06 7:32 ` Yury Norov 2016-12-06 7:32 ` Yury Norov 2016-10-21 20:33 ` [PATCH 12/18] arm64: ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-21 20:33 ` [PATCH 13/18] arm64: signal: share lp64 signal routines to ilp32 Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-21 20:33 ` [PATCH 14/18] arm64: signal32: move ilp32 and aarch32 common code to separated file Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-12-05 16:18 ` Catalin Marinas 2016-12-05 16:18 ` Catalin Marinas 2016-12-06 9:36 ` Yury Norov 2016-12-06 9:36 ` Yury Norov 2016-10-21 20:33 ` [PATCH 15/18] arm64: ilp32: introduce ilp32-specific handlers for sigframe and ucontext Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-21 20:33 ` [PATCH 16/18] arm64: ptrace: handle ptrace_request differently for aarch32 and ilp32 Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-12-05 16:34 ` Catalin Marinas 2016-12-06 6:25 ` Yury Norov 2016-12-06 6:30 ` Yury Norov 2016-12-06 6:30 ` Yury Norov 2016-12-07 16:59 ` Catalin Marinas 2016-12-07 16:59 ` Catalin Marinas 2016-12-07 20:40 ` Arnd Bergmann 2016-12-07 20:40 ` Arnd Bergmann 2016-12-08 13:12 ` Catalin Marinas 2017-01-05 20:40 ` Yury Norov 2017-01-05 20:40 ` Yury Norov 2017-01-06 14:36 ` Catalin Marinas 2017-01-06 14:36 ` Catalin Marinas 2016-10-21 20:33 ` [PATCH 17/18] arm64:ilp32: add vdso-ilp32 and use for signal return Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-21 20:33 ` [PATCH 18/18] arm64:ilp32: add ARM64_ILP32 to Kconfig Yury Norov 2016-10-21 20:33 ` Yury Norov 2016-10-28 12:46 ` ILP32 for ARM64 - testing with lmbench Yury Norov 2016-11-17 3:28 ` Zhangjian (Bamvor) 2016-11-17 3:28 ` Zhangjian (Bamvor) 2016-11-17 5:02 ` Maxim Kuvyrkov 2016-11-17 5:02 ` Maxim Kuvyrkov 2016-11-17 7:48 ` Zhangjian (Bamvor) 2016-11-17 7:48 ` Zhangjian (Bamvor) 2016-12-05 10:16 ` Zhangjian (Bamvor) 2016-12-05 10:16 ` Zhangjian (Bamvor) 2016-12-05 14:13 ` Catalin Marinas 2016-12-05 14:13 ` Catalin Marinas 2016-12-11 12:08 ` Yury Norov 2016-12-11 12:08 ` Yury Norov 2016-11-07 8:23 ` ILP32 for ARM64: testing with glibc testsuite Yury Norov 2016-11-07 8:23 ` Yury Norov 2016-11-09 9:56 ` Yury Norov 2016-11-09 9:56 ` Yury Norov 2016-11-16 11:22 ` Maxim Kuvyrkov 2016-11-16 11:22 ` Maxim Kuvyrkov 2016-11-17 15:50 ` Catalin Marinas 2016-11-17 15:50 ` Catalin Marinas 2016-11-17 21:45 ` Steve Ellcey 2016-11-17 21:45 ` Steve Ellcey 2016-12-05 9:58 ` Zhangjian (Bamvor) 2016-12-05 9:58 ` Zhangjian (Bamvor) 2016-12-05 10:07 ` Andreas Schwab 2016-12-05 10:07 ` Andreas Schwab 2016-12-05 10:24 ` Zhangjian (Bamvor) 2016-12-05 10:24 ` Zhangjian (Bamvor) 2016-12-06 5:29 ` Yury Norov 2016-12-06 5:29 ` Yury Norov 2016-12-05 19:33 ` Steve Ellcey 2016-12-05 19:33 ` Steve Ellcey 2016-12-06 8:31 ` Andreas Schwab 2016-12-06 8:31 ` Andreas Schwab 2016-11-30 5:02 ` [RFC3 nowrap: PATCH v7 00/18] ILP32 for ARM64 Yury Norov 2016-11-30 5:02 ` Yury Norov 2016-11-30 6:52 ` Adam Borowski 2016-11-30 6:52 ` Adam Borowski -- strict thread matches above, loose matches on Subject: below -- 2016-08-17 11:46 [RFC2 " Yury Norov 2016-08-17 11:46 ` [PATCH 06/18] thread: move thread bits accessors to separated file Yury Norov 2016-08-17 11:46 ` Yury Norov
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