diff options
| author | David S. Miller <davem@davemloft.net> | 2016-08-10 14:41:33 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-21 10:06:41 +0100 |
| commit | 756723ad553d02553397ea991c28812b91aa6cda (patch) | |
| tree | f56c4334c7db4716d0b5352ea991674fd1f3e910 /arch | |
| parent | f5a69ff7486e473ea12288f5b729891ebde7fcfe (diff) | |
sparc64: Delete __ret_efault.
[ Upstream commit aa95ce361ed95c72ac42dcb315166bce5cf1a014 ]
It is completely unused.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sparc/include/asm/uaccess_64.h | 41 | ||||
| -rw-r--r-- | arch/sparc/kernel/head_64.S | 7 | ||||
| -rw-r--r-- | arch/sparc/kernel/sparc_ksyms_64.c | 1 |
3 files changed, 1 insertions, 48 deletions
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index ea6e9a20f3ff..a17b8c4b189f 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -98,7 +98,6 @@ struct exception_table_entry { unsigned int insn, fixup; }; -void __ret_efault(void); void __retl_efault(void); /* Uh, these should become the main single-value transfer routines.. @@ -179,20 +178,6 @@ int __put_user_bad(void); __gu_ret; \ }) -#define __get_user_nocheck_ret(data, addr, size, type, retval) ({ \ - register unsigned long __gu_val __asm__ ("l1"); \ - switch (size) { \ - case 1: __get_user_asm_ret(__gu_val, ub, addr, retval); break; \ - case 2: __get_user_asm_ret(__gu_val, uh, addr, retval); break; \ - case 4: __get_user_asm_ret(__gu_val, uw, addr, retval); break; \ - case 8: __get_user_asm_ret(__gu_val, x, addr, retval); break; \ - default: \ - if (__get_user_bad()) \ - return retval; \ - } \ - data = (__force type) __gu_val; \ -}) - #define __get_user_asm(x, size, addr, ret) \ __asm__ __volatile__( \ "/* Get user asm, inline. */\n" \ @@ -214,32 +199,6 @@ __asm__ __volatile__( \ : "=r" (ret), "=r" (x) : "r" (__m(addr)), \ "i" (-EFAULT)) -#define __get_user_asm_ret(x, size, addr, retval) \ -if (__builtin_constant_p(retval) && retval == -EFAULT) \ - __asm__ __volatile__( \ - "/* Get user asm ret, inline. */\n" \ - "1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \ - ".section __ex_table,\"a\"\n\t" \ - ".align 4\n\t" \ - ".word 1b,__ret_efault\n\n\t" \ - ".previous\n\t" \ - : "=r" (x) : "r" (__m(addr))); \ -else \ - __asm__ __volatile__( \ - "/* Get user asm ret, inline. */\n" \ - "1:\t" "ld"#size "a [%1] %%asi, %0\n\n\t" \ - ".section .fixup,#alloc,#execinstr\n\t" \ - ".align 4\n" \ - "3:\n\t" \ - "ret\n\t" \ - " restore %%g0, %2, %%o0\n\n\t" \ - ".previous\n\t" \ - ".section __ex_table,\"a\"\n\t" \ - ".align 4\n\t" \ - ".word 1b, 3b\n\n\t" \ - ".previous\n\t" \ - : "=r" (x) : "r" (__m(addr)), "i" (retval)) - int __get_user_bad(void); unsigned long __must_check ___copy_from_user(void *to, diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 51faf92ace00..7d45fd31573a 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -922,12 +922,7 @@ prom_tba: .xword 0 tlb_type: .word 0 /* Must NOT end up in BSS */ .section ".fixup",#alloc,#execinstr - .globl __ret_efault, __retl_efault, __ret_one, __retl_one -ENTRY(__ret_efault) - ret - restore %g0, -EFAULT, %o0 -ENDPROC(__ret_efault) - + .globl __retl_efault, __ret_one, __retl_one ENTRY(__retl_efault) retl mov -EFAULT, %o0 diff --git a/arch/sparc/kernel/sparc_ksyms_64.c b/arch/sparc/kernel/sparc_ksyms_64.c index a92d5d2c46a3..51b25325a961 100644 --- a/arch/sparc/kernel/sparc_ksyms_64.c +++ b/arch/sparc/kernel/sparc_ksyms_64.c @@ -27,7 +27,6 @@ EXPORT_SYMBOL(__flushw_user); EXPORT_SYMBOL_GPL(real_hard_smp_processor_id); /* from head_64.S */ -EXPORT_SYMBOL(__ret_efault); EXPORT_SYMBOL(tlb_type); EXPORT_SYMBOL(sun4v_chip_type); EXPORT_SYMBOL(prom_root_node); |