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Commit d4c08b97 authored by Arnd Bergmann's avatar Arnd Bergmann
Browse files

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: default avatarPalmer Dabbelt <palmer@sifive.com>
Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parent 1d5b8233

arch/riscv/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -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

arch/riscv/include/uapi/asm/unistd.h

+1 −4
Original line number Diff line number Diff line
@@ -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>

arch/riscv/kernel/vdso/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -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