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, Andrew Pinski <Andrew.Pinski@caviumnetworks.com>, 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, Bamvor Zhang Jian <bamvor.zhangjian@linaro.org>, maxim.kuvyrkov@linaro.org, Nathan_Lynch@mentor.com, Andrew Pinski <apinski@cavium.com>, schwidefsky@de.ibm.com, davem@davemloft.net, christoph.muellner@theobroma-systems.com Subject: [PATCH 12/18] arm64: ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Date: Fri, 21 Oct 2016 23:33:11 +0300 [thread overview] Message-ID: <1477081997-4770-13-git-send-email-ynorov@caviumnetworks.com> (raw) In-Reply-To: <1477081997-4770-1-git-send-email-ynorov@caviumnetworks.com> From: Andrew Pinski <apinski@cavium.com> Add a separate syscall-table for ILP32, which dispatches either to native LP64 system call implementation or to compat-syscalls, as appropriate. Signed-off-by: Andrew Pinski <Andrew.Pinski@caviumnetworks.com> Signed-off-by: Yury Norov <ynorov@caviumnetworks.com> Signed-off-by: Bamvor Zhang Jian <bamvor.zhangjian@linaro.org> --- arch/arm64/include/asm/unistd.h | 8 ++- arch/arm64/include/uapi/asm/unistd.h | 12 +++++ arch/arm64/kernel/Makefile | 2 +- arch/arm64/kernel/entry.S | 28 +++++++++- arch/arm64/kernel/sys_ilp32.c | 100 +++++++++++++++++++++++++++++++++++ 5 files changed, 145 insertions(+), 5 deletions(-) create mode 100644 arch/arm64/kernel/sys_ilp32.c diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index fe9d6c1..851cc8a 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -13,13 +13,17 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifdef CONFIG_COMPAT +#define __ARCH_WANT_COMPAT_STAT64 +#define __ARCH_WANT_SYS_LLSEEK +#endif + #ifdef CONFIG_AARCH32_EL0 #define __ARCH_WANT_COMPAT_SYS_GETDENTS64 -#define __ARCH_WANT_COMPAT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_PAUSE #define __ARCH_WANT_SYS_GETPGRP -#define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK diff --git a/arch/arm64/include/uapi/asm/unistd.h b/arch/arm64/include/uapi/asm/unistd.h index 043d17a..b4cd688 100644 --- a/arch/arm64/include/uapi/asm/unistd.h +++ b/arch/arm64/include/uapi/asm/unistd.h @@ -14,6 +14,18 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +/* + * Use AARCH32 interface for sys_sync_file_range() as it passes 64-bit arguments. + */ +#if defined(__ILP32__) || defined(__SYSCALL_COMPAT) +#define __ARCH_WANT_SYNC_FILE_RANGE2 +#endif + +/* + * AARCH64/ILP32 is introduced after renameat() was replaced with renameat2(). + */ +#if !(defined(__ILP32__) || defined(__SYSCALL_COMPAT)) #define __ARCH_WANT_RENAMEAT +#endif #include <asm-generic/unistd.h> diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index 9123bb8..06070f5 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -29,7 +29,7 @@ $(obj)/%.stub.o: $(obj)/%.o FORCE arm64-obj-$(CONFIG_AARCH32_EL0) += sys32.o kuser32.o signal32.o \ sys_compat.o entry32.o binfmt_elf32.o -arm64-obj-$(CONFIG_ARM64_ILP32) += binfmt_ilp32.o +arm64-obj-$(CONFIG_ARM64_ILP32) += binfmt_ilp32.o sys_ilp32.o arm64-obj-$(CONFIG_COMPAT) += entry32_common.o arm64-obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o entry-ftrace.o arm64-obj-$(CONFIG_MODULES) += arm64ksyms.o module.o diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index b6fb14b..b152aab 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -249,6 +249,23 @@ tsk .req x28 // current thread_info .text +#ifdef CONFIG_ARM64_ILP32 +/* + * AARCH64/ILP32. Zero top halves of x0-x7 + * registers as userspace may put garbage there. + */ + .macro delouse_input_regs + mov w0, w0 + mov w1, w1 + mov w2, w2 + mov w3, w3 + mov w4, w4 + mov w5, w5 + mov w6, w6 + mov w7, w7 + .endm +#endif + /* * Exception vectors. */ @@ -517,6 +534,7 @@ el0_svc_compat: * AArch32 syscall handling */ adrp stbl, compat_sys_call_table // load compat syscall table pointer + ldr x16, [tsk, #TI_FLAGS] uxtw scno, w7 // syscall number in w7 (r7) mov sc_nr, #__NR_compat_syscalls b el0_svc_naked @@ -739,15 +757,21 @@ ENDPROC(ret_from_fork) .align 6 el0_svc: adrp stbl, sys_call_table // load syscall table pointer + ldr x16, [tsk, #TI_FLAGS] uxtw scno, w8 // syscall number in w8 mov sc_nr, #__NR_syscalls +#ifdef CONFIG_ARM64_ILP32 + tst x16, #_TIF_32BIT_AARCH64 + b.eq el0_svc_naked // We are using LP64 syscall table + adrp stbl, sys_call_ilp32_table // load ilp32 syscall table pointer + delouse_input_regs +#endif el0_svc_naked: // compat entry point stp x0, scno, [sp, #S_ORIG_X0] // save the original x0 and syscall number enable_dbg_and_irq ct_user_exit 1 - ldr x16, [tsk, #TI_FLAGS] // check for syscall hooks - tst x16, #_TIF_SYSCALL_WORK + tst x16, #_TIF_SYSCALL_WORK // check for syscall hooks b.ne __sys_trace cmp scno, sc_nr // check upper syscall limit b.hs ni_sys diff --git a/arch/arm64/kernel/sys_ilp32.c b/arch/arm64/kernel/sys_ilp32.c new file mode 100644 index 0000000..fbf2f00 --- /dev/null +++ b/arch/arm64/kernel/sys_ilp32.c @@ -0,0 +1,100 @@ +/* + * AArch64- ILP32 specific system calls implementation + * + * Copyright (C) 2016 Cavium Inc. + * Author: Andrew Pinski <apinski@cavium.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#define __SYSCALL_COMPAT + +#include <linux/compiler.h> +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/msg.h> +#include <linux/export.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/syscalls.h> +#include <linux/compat.h> +#include <asm-generic/syscalls.h> + +/* + * AARCH32 requires 4-page alignment for shared memory, + * but AARCH64 - only 1 page. This is the only difference + * between compat and native sys_shmat(). So ILP32 just pick + * AARCH64 version. + */ +#define compat_sys_shmat sys_shmat + +/* + * ILP32 needs special handling for some ptrace requests. + */ +#define sys_ptrace compat_sys_ptrace + +/* + * Using AARCH32 interface for syscalls that take 64-bit + * parameters in registers. + */ +#define compat_sys_fadvise64_64 compat_sys_fadvise64_64_wrapper +#define compat_sys_fallocate compat_sys_fallocate_wrapper +#define compat_sys_ftruncate64 compat_sys_ftruncate64_wrapper +#define compat_sys_pread64 compat_sys_pread64_wrapper +#define compat_sys_pwrite64 compat_sys_pwrite64_wrapper +#define compat_sys_readahead compat_sys_readahead_wrapper +#define compat_sys_sync_file_range2 compat_sys_sync_file_range2_wrapper +#define compat_sys_truncate64 compat_sys_truncate64_wrapper +#define sys_mmap2 compat_sys_mmap2_wrapper + +/* + * Using AARCH32 interface for syscalls that take the size of + * sfruct statfs as an argument, as it's calculated differently + * in kernel and user spaces. + */ +#define compat_sys_fstatfs64 compat_sys_fstatfs64_wrapper +#define compat_sys_statfs64 compat_sys_statfs64_wrapper + +/* + * Using custom wrapper for rt_sigreturn() to handle custom + * struct rt_sigframe. + */ +#define compat_sys_rt_sigreturn ilp32_sys_rt_sigreturn_wrapper + +asmlinkage long compat_sys_fstatfs64_wrapper(void); +asmlinkage long compat_sys_statfs64_wrapper(void); +asmlinkage long compat_sys_fadvise64_64_wrapper(void); +asmlinkage long compat_sys_fallocate_wrapper(void); +asmlinkage long compat_sys_ftruncate64_wrapper(void); +asmlinkage long compat_sys_mmap2_wrapper(void); +asmlinkage long compat_sys_pread64_wrapper(void); +asmlinkage long compat_sys_pwrite64_wrapper(void); +asmlinkage long compat_sys_readahead_wrapper(void); +asmlinkage long compat_sys_sync_file_range2_wrapper(void); +asmlinkage long compat_sys_truncate64_wrapper(void); +asmlinkage long ilp32_sys_rt_sigreturn_wrapper(void); + +#include <asm/syscall.h> + +#undef __SYSCALL +#define __SYSCALL(nr, sym) [nr] = sym, + +/* + * The sys_call_ilp32_table array must be 4K aligned to be accessible from + * kernel/entry.S. + */ +void *sys_call_ilp32_table[__NR_syscalls] __aligned(4096) = { + [0 ... __NR_syscalls - 1] = sys_ni_syscall, +#include <asm/unistd.h> +}; -- 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, Andrew Pinski <apinski@cavium.com>, Andrew Pinski <Andrew.Pinski@caviumnetworks.com>, Bamvor Zhang Jian <bamvor.zhangjian@linaro.org> Subject: [PATCH 12/18] arm64: ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Date: Fri, 21 Oct 2016 23:33:11 +0300 [thread overview] Message-ID: <1477081997-4770-13-git-send-email-ynorov@caviumnetworks.com> (raw) Message-ID: <20161021203311.kGe2hKsmgV6Glo2jWryJjDuq-yZRrWuSQ60dMQgM3IY@z> (raw) In-Reply-To: <1477081997-4770-1-git-send-email-ynorov@caviumnetworks.com> From: Andrew Pinski <apinski@cavium.com> Add a separate syscall-table for ILP32, which dispatches either to native LP64 system call implementation or to compat-syscalls, as appropriate. Signed-off-by: Andrew Pinski <Andrew.Pinski@caviumnetworks.com> Signed-off-by: Yury Norov <ynorov@caviumnetworks.com> Signed-off-by: Bamvor Zhang Jian <bamvor.zhangjian@linaro.org> --- arch/arm64/include/asm/unistd.h | 8 ++- arch/arm64/include/uapi/asm/unistd.h | 12 +++++ arch/arm64/kernel/Makefile | 2 +- arch/arm64/kernel/entry.S | 28 +++++++++- arch/arm64/kernel/sys_ilp32.c | 100 +++++++++++++++++++++++++++++++++++ 5 files changed, 145 insertions(+), 5 deletions(-) create mode 100644 arch/arm64/kernel/sys_ilp32.c diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index fe9d6c1..851cc8a 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -13,13 +13,17 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +#ifdef CONFIG_COMPAT +#define __ARCH_WANT_COMPAT_STAT64 +#define __ARCH_WANT_SYS_LLSEEK +#endif + #ifdef CONFIG_AARCH32_EL0 #define __ARCH_WANT_COMPAT_SYS_GETDENTS64 -#define __ARCH_WANT_COMPAT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_PAUSE #define __ARCH_WANT_SYS_GETPGRP -#define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK diff --git a/arch/arm64/include/uapi/asm/unistd.h b/arch/arm64/include/uapi/asm/unistd.h index 043d17a..b4cd688 100644 --- a/arch/arm64/include/uapi/asm/unistd.h +++ b/arch/arm64/include/uapi/asm/unistd.h @@ -14,6 +14,18 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +/* + * Use AARCH32 interface for sys_sync_file_range() as it passes 64-bit arguments. + */ +#if defined(__ILP32__) || defined(__SYSCALL_COMPAT) +#define __ARCH_WANT_SYNC_FILE_RANGE2 +#endif + +/* + * AARCH64/ILP32 is introduced after renameat() was replaced with renameat2(). + */ +#if !(defined(__ILP32__) || defined(__SYSCALL_COMPAT)) #define __ARCH_WANT_RENAMEAT +#endif #include <asm-generic/unistd.h> diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index 9123bb8..06070f5 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -29,7 +29,7 @@ $(obj)/%.stub.o: $(obj)/%.o FORCE arm64-obj-$(CONFIG_AARCH32_EL0) += sys32.o kuser32.o signal32.o \ sys_compat.o entry32.o binfmt_elf32.o -arm64-obj-$(CONFIG_ARM64_ILP32) += binfmt_ilp32.o +arm64-obj-$(CONFIG_ARM64_ILP32) += binfmt_ilp32.o sys_ilp32.o arm64-obj-$(CONFIG_COMPAT) += entry32_common.o arm64-obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o entry-ftrace.o arm64-obj-$(CONFIG_MODULES) += arm64ksyms.o module.o diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S index b6fb14b..b152aab 100644 --- a/arch/arm64/kernel/entry.S +++ b/arch/arm64/kernel/entry.S @@ -249,6 +249,23 @@ tsk .req x28 // current thread_info .text +#ifdef CONFIG_ARM64_ILP32 +/* + * AARCH64/ILP32. Zero top halves of x0-x7 + * registers as userspace may put garbage there. + */ + .macro delouse_input_regs + mov w0, w0 + mov w1, w1 + mov w2, w2 + mov w3, w3 + mov w4, w4 + mov w5, w5 + mov w6, w6 + mov w7, w7 + .endm +#endif + /* * Exception vectors. */ @@ -517,6 +534,7 @@ el0_svc_compat: * AArch32 syscall handling */ adrp stbl, compat_sys_call_table // load compat syscall table pointer + ldr x16, [tsk, #TI_FLAGS] uxtw scno, w7 // syscall number in w7 (r7) mov sc_nr, #__NR_compat_syscalls b el0_svc_naked @@ -739,15 +757,21 @@ ENDPROC(ret_from_fork) .align 6 el0_svc: adrp stbl, sys_call_table // load syscall table pointer + ldr x16, [tsk, #TI_FLAGS] uxtw scno, w8 // syscall number in w8 mov sc_nr, #__NR_syscalls +#ifdef CONFIG_ARM64_ILP32 + tst x16, #_TIF_32BIT_AARCH64 + b.eq el0_svc_naked // We are using LP64 syscall table + adrp stbl, sys_call_ilp32_table // load ilp32 syscall table pointer + delouse_input_regs +#endif el0_svc_naked: // compat entry point stp x0, scno, [sp, #S_ORIG_X0] // save the original x0 and syscall number enable_dbg_and_irq ct_user_exit 1 - ldr x16, [tsk, #TI_FLAGS] // check for syscall hooks - tst x16, #_TIF_SYSCALL_WORK + tst x16, #_TIF_SYSCALL_WORK // check for syscall hooks b.ne __sys_trace cmp scno, sc_nr // check upper syscall limit b.hs ni_sys diff --git a/arch/arm64/kernel/sys_ilp32.c b/arch/arm64/kernel/sys_ilp32.c new file mode 100644 index 0000000..fbf2f00 --- /dev/null +++ b/arch/arm64/kernel/sys_ilp32.c @@ -0,0 +1,100 @@ +/* + * AArch64- ILP32 specific system calls implementation + * + * Copyright (C) 2016 Cavium Inc. + * Author: Andrew Pinski <apinski@cavium.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#define __SYSCALL_COMPAT + +#include <linux/compiler.h> +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/mm.h> +#include <linux/msg.h> +#include <linux/export.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/syscalls.h> +#include <linux/compat.h> +#include <asm-generic/syscalls.h> + +/* + * AARCH32 requires 4-page alignment for shared memory, + * but AARCH64 - only 1 page. This is the only difference + * between compat and native sys_shmat(). So ILP32 just pick + * AARCH64 version. + */ +#define compat_sys_shmat sys_shmat + +/* + * ILP32 needs special handling for some ptrace requests. + */ +#define sys_ptrace compat_sys_ptrace + +/* + * Using AARCH32 interface for syscalls that take 64-bit + * parameters in registers. + */ +#define compat_sys_fadvise64_64 compat_sys_fadvise64_64_wrapper +#define compat_sys_fallocate compat_sys_fallocate_wrapper +#define compat_sys_ftruncate64 compat_sys_ftruncate64_wrapper +#define compat_sys_pread64 compat_sys_pread64_wrapper +#define compat_sys_pwrite64 compat_sys_pwrite64_wrapper +#define compat_sys_readahead compat_sys_readahead_wrapper +#define compat_sys_sync_file_range2 compat_sys_sync_file_range2_wrapper +#define compat_sys_truncate64 compat_sys_truncate64_wrapper +#define sys_mmap2 compat_sys_mmap2_wrapper + +/* + * Using AARCH32 interface for syscalls that take the size of + * sfruct statfs as an argument, as it's calculated differently + * in kernel and user spaces. + */ +#define compat_sys_fstatfs64 compat_sys_fstatfs64_wrapper +#define compat_sys_statfs64 compat_sys_statfs64_wrapper + +/* + * Using custom wrapper for rt_sigreturn() to handle custom + * struct rt_sigframe. + */ +#define compat_sys_rt_sigreturn ilp32_sys_rt_sigreturn_wrapper + +asmlinkage long compat_sys_fstatfs64_wrapper(void); +asmlinkage long compat_sys_statfs64_wrapper(void); +asmlinkage long compat_sys_fadvise64_64_wrapper(void); +asmlinkage long compat_sys_fallocate_wrapper(void); +asmlinkage long compat_sys_ftruncate64_wrapper(void); +asmlinkage long compat_sys_mmap2_wrapper(void); +asmlinkage long compat_sys_pread64_wrapper(void); +asmlinkage long compat_sys_pwrite64_wrapper(void); +asmlinkage long compat_sys_readahead_wrapper(void); +asmlinkage long compat_sys_sync_file_range2_wrapper(void); +asmlinkage long compat_sys_truncate64_wrapper(void); +asmlinkage long ilp32_sys_rt_sigreturn_wrapper(void); + +#include <asm/syscall.h> + +#undef __SYSCALL +#define __SYSCALL(nr, sym) [nr] = sym, + +/* + * The sys_call_ilp32_table array must be 4K aligned to be accessible from + * kernel/entry.S. + */ +void *sys_call_ilp32_table[__NR_syscalls] __aligned(4096) = { + [0 ... __NR_syscalls - 1] = sys_ni_syscall, +#include <asm/unistd.h> +}; -- 2.7.4
next prev parent reply other threads:[~2016-10-21 20:33 UTC|newest] Thread overview: 123+ 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 ` [PATCH 06/18] thread: move thread bits accessors to separated file Yury Norov 2016-10-21 20:33 ` 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 ` Yury Norov [this message] 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 ` [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 12/18] arm64: ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it Yury Norov 2016-08-17 11:46 ` Yury Norov 2016-09-02 10:46 ` Bamvor Jian Zhang 2016-09-02 10:46 ` Bamvor Jian Zhang 2016-09-02 12:55 ` Arnd Bergmann 2016-09-02 12:55 ` Arnd Bergmann 2016-09-02 13:04 ` Yury Norov 2016-09-02 13:04 ` Yury Norov
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