2017-12-08 0:40 GMT+08:00 Al Viro :
> On Mon, Nov 27, 2017 at 08:27:53PM +0800, Greentime Hu wrote:
>> +void do_page_fault(unsigned long entry, unsigned long addr,
>> +unsigned int error_code, struct pt_regs *regs)
> [snip]
>> + /*
>> + * If we're in an interrupt or have no
On Mon, Nov 27, 2017 at 08:27:53PM +0800, Greentime Hu wrote:
> +void do_page_fault(unsigned long entry, unsigned long addr,
> +unsigned int error_code, struct pt_regs *regs)
[snip]
> + /*
> + * If we're in an interrupt or have no user
> + * context, we must not take t
Hi, Mark:
2017-11-27 21:51 GMT+08:00 Mark Rutland :
> Hi,
>
> On Mon, Nov 27, 2017 at 08:27:53PM +0800, Greentime Hu wrote:
>> +void do_page_fault(unsigned long entry, unsigned long addr,
>> +unsigned int error_code, struct pt_regs *regs)
>> +{
>
>> + /*
>> + * As per x86,
Hi,
On Mon, Nov 27, 2017 at 08:27:53PM +0800, Greentime Hu wrote:
> +void do_page_fault(unsigned long entry, unsigned long addr,
> +unsigned int error_code, struct pt_regs *regs)
> +{
> + /*
> + * As per x86, we may deadlock here. However, since the kernel only
> + *
From: Greentime Hu
This patch includes page fault handler, mmap and fixup implementations.
Signed-off-by: Vincent Chen
Signed-off-by: Greentime Hu
---
arch/nds32/lib/copy_page.S | 50 ++
arch/nds32/mm/extable.c| 29 +++
arch/nds32/mm/fault.c | 420 +++
