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authorAl Viro <viro@ftp.linux.org.uk>2011-09-15 01:21:34 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2011-09-15 03:09:37 +0200
commit01599cdc2f891415387aed9921909b3e9f27c801 (patch)
treea5692896be04c80940093f644a86f5e11f1d749b /arch/um/sys-i386
parentum: fix free_winch() mess (diff)
downloadlinux-01599cdc2f891415387aed9921909b3e9f27c801.tar.xz
linux-01599cdc2f891415387aed9921909b3e9f27c801.zip
um: PTRACE_[GS]ETFPXREGS had been wired on the wrong subarch
It's 32bit-only, not 64bit-only... And while we are at it, it's set_fpxregs(), not set_fpregs()... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um/sys-i386')
-rw-r--r--arch/um/sys-i386/ptrace.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index d23b2d3ea384..49fd25a5f206 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -206,5 +206,17 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
long subarch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
- return -EIO;
+ int ret = -EIO;
+ void __user *datap = (void __user *) data;
+
+ switch (request) {
+ case PTRACE_GETFPXREGS: /* Get the child FPU state. */
+ ret = get_fpxregs(datap, child);
+ break;
+ case PTRACE_SETFPXREGS: /* Set the child FPU state. */
+ ret = set_fpxregs(datap, child);
+ break;
+ }
+
+ return ret;
}