Merge master.kernel.org:/home/rmk/linux-2.6-i2c manually

[linux-2.6-omap-h63xx.git] / arch / i386 / kernel / signal.c

diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c
index 140e340569c67711fc83f3f54cf4139d64c701aa..61eb0c8a6e47dc9763c8f78d85f3aa3e7be40456 100644 (file)
--- a/arch/i386/kernel/signal.c
+++ b/arch/i386/kernel/signal.c
@@ -278,9 +278,9 @@ setup_sigcontext(struct sigcontext __user *sc, struct _fpstate __user *fpstate,
        int tmp, err = 0;
 
        tmp = 0;
-       __asm__("movl %%gs,%0" : "=r"(tmp): "0"(tmp));
+       savesegment(gs, tmp);
        err |= __put_user(tmp, (unsigned int __user *)&sc->gs);
-       __asm__("movl %%fs,%0" : "=r"(tmp): "0"(tmp));
+       savesegment(fs, tmp);
        err |= __put_user(tmp, (unsigned int __user *)&sc->fs);
 
        err |= __put_user(regs->xes, (unsigned int __user *)&sc->es);
@@ -604,7 +604,9 @@ int fastcall do_signal(struct pt_regs *regs, sigset_t *oldset)
         * We want the common case to go fast, which
         * is why we may in certain cases get here from
         * kernel mode. Just return without doing anything
-        * if so.
+        * if so.  vm86 regs switched out by assembly code
+        * before reaching here, so testing against kernel
+        * CS suffices.
         */
        if (!user_mode(regs))
                return 1;