-stable review patch. If anyone has any objections, please let us know. --------------------- From: David S. Miller Upstream commit: f6a843d939ade435e060d580f5c56d958464f8a5 Based upon a report by Mariusz Kozlowski. Signed-off-by: David S. Miller Signed-off-by: Chris Wright --- arch/sparc64/kernel/ptrace.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/sparc64/kernel/ptrace.c +++ b/arch/sparc64/kernel/ptrace.c @@ -127,6 +127,8 @@ void flush_ptrace_access(struct vm_area_ if (tlb_type == hypervisor) return; + preempt_disable(); + #ifdef DCACHE_ALIASING_POSSIBLE /* If bit 13 of the kernel address we used to access the * user page is the same as the virtual address that page @@ -165,6 +167,8 @@ void flush_ptrace_access(struct vm_area_ for (; start < end; start += icache_line_size) flushi(start); } + + preempt_enable(); } asmlinkage void do_ptrace(struct pt_regs *regs) -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/