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authorArnd Bergmann <arnd@arndb.de>2019-02-18 17:43:12 +0100
committerArnd Bergmann <arnd@arndb.de>2019-02-25 20:53:52 +0100
commitd4c08b9776b392e20efc6198ebe1bc8ec1911d9b (patch)
treee77feaf2909f208f94a7a4e2f27837c4fea704aa /arch/riscv
parentchecksyscalls: fix up mq_timedreceive and stat exceptions (diff)
downloadlinux-dev-d4c08b9776b392e20efc6198ebe1bc8ec1911d9b.tar.xz
linux-dev-d4c08b9776b392e20efc6198ebe1bc8ec1911d9b.zip
riscv: Use latest system call ABI
We don't yet have an upstream glibc port for riscv, so there is no user space for the existing ABI, and we can remove the definitions for 32-bit time_t, off_t and struct resource and system calls based on them, including the vdso. Reviewed-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/riscv')
-rw-r--r--arch/riscv/Kconfig1
-rw-r--r--arch/riscv/include/uapi/asm/unistd.h5
-rw-r--r--arch/riscv/kernel/vdso/Makefile2
3 files changed, 3 insertions, 5 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 09fa3a87bf30..feeeaa60697c 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -11,7 +11,6 @@ config 32BIT
config RISCV
def_bool y
- select ARCH_32BIT_OFF_T if !64BIT
# even on 32-bit, physical (and DMA) addresses are > 32-bits
select PHYS_ADDR_T_64BIT
select OF
diff --git a/arch/riscv/include/uapi/asm/unistd.h b/arch/riscv/include/uapi/asm/unistd.h
index 486a288b454c..0e2eeeb1fd27 100644
--- a/arch/riscv/include/uapi/asm/unistd.h
+++ b/arch/riscv/include/uapi/asm/unistd.h
@@ -17,11 +17,8 @@
#ifdef __LP64__
#define __ARCH_WANT_NEW_STAT
-#endif /* __LP64__ */
#define __ARCH_WANT_SET_GET_RLIMIT
-#ifndef __LP64__
-#define __ARCH_WANT_TIME32_SYSCALLS
-#endif
+#endif /* __LP64__ */
#include <asm-generic/unistd.h>
diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
index eed1c137f618..fec62b24df89 100644
--- a/arch/riscv/kernel/vdso/Makefile
+++ b/arch/riscv/kernel/vdso/Makefile
@@ -2,9 +2,11 @@
# Symbols present in the vdso
vdso-syms = rt_sigreturn
+ifdef CONFIG_64BIT
vdso-syms += gettimeofday
vdso-syms += clock_gettime
vdso-syms += clock_getres
+endif
vdso-syms += getcpu
vdso-syms += flush_icache