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 <[email protected]> Signed-off-by: Arnd Bergmann <[email protected]>
jix · Feb 25, 2019 · d4c08b9 · d4c08b9
1 parent 1d5b823
commit d4c08b9
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Showing 3 changed files with 3 additions and 5 deletions.
diff --git 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
@@ -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
@@ -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