提交 de7531e8 编写于 作者: D David S. Miller

sparc64: exit_group should kill register windows just like plain exit.

Reported-by: NAl Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 7e5530af
......@@ -47,7 +47,7 @@ STUB: sra REG1, 0, REG1; \
sra REG4, 0, REG4
SIGN1(sys32_exit, sparc_exit, %o0)
SIGN1(sys32_exit_group, sys_exit_group, %o0)
SIGN1(sys32_exit_group, sparc_exit_group, %o0)
SIGN1(sys32_wait4, compat_sys_wait4, %o2)
SIGN1(sys32_creat, sys_creat, %o1)
SIGN1(sys32_mknod, sys_mknod, %o1)
......
......@@ -118,10 +118,20 @@ ret_from_syscall:
ba,pt %xcc, ret_sys_call
ldx [%sp + PTREGS_OFF + PT_V9_I0], %o0
.globl sparc_exit_group
.type sparc_exit_group,#function
sparc_exit_group:
sethi %hi(sys_exit_group), %g7
ba,pt %xcc, 1f
or %g7, %lo(sys_exit_group), %g7
.size sparc_exit_group,.-sparc_exit_group
.globl sparc_exit
.type sparc_exit,#function
sparc_exit:
rdpr %pstate, %g2
sethi %hi(sys_exit), %g7
or %g7, %lo(sys_exit), %g7
1: rdpr %pstate, %g2
wrpr %g2, PSTATE_IE, %pstate
rdpr %otherwin, %g1
rdpr %cansave, %g3
......@@ -129,7 +139,7 @@ sparc_exit:
wrpr %g3, 0x0, %cansave
wrpr %g0, 0x0, %otherwin
wrpr %g2, 0x0, %pstate
ba,pt %xcc, sys_exit
jmpl %g7, %g0
stb %g0, [%g6 + TI_WSAVED]
.size sparc_exit,.-sparc_exit
......
......@@ -133,7 +133,7 @@ sys_call_table:
/*170*/ .word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents
.word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr
/*180*/ .word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_ni_syscall
.word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_newuname
.word sys_setpgid, sys_fremovexattr, sys_tkill, sparc_exit_group, sys_newuname
/*190*/ .word sys_init_module, sys_sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
.word sys_epoll_wait, sys_ioprio_set, sys_getppid, sys_nis_syscall, sys_sgetmask
/*200*/ .word sys_ssetmask, sys_nis_syscall, sys_newlstat, sys_uselib, sys_nis_syscall
......
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