Re: clean up and streamline probe_kernel_* and friends v4

2020-05-27 Thread Andrew Morton
On Tue, 26 May 2020 08:13:09 +0200 Christoph Hellwig wrote: > On Mon, May 25, 2020 at 03:19:12PM -0700, Andrew Morton wrote: > > hm. Applying linux-next to this series generates a lot of rejects against > > powerpc: > > > > -rw-rw-r-- 1 akpm akpm 493 May 25 15:06 arch/powerpc/kernel/kgdb.c.rej

Re: clean up and streamline probe_kernel_* and friends v4

2020-05-25 Thread Christoph Hellwig
On Mon, May 25, 2020 at 03:19:12PM -0700, Andrew Morton wrote: > hm. Applying linux-next to this series generates a lot of rejects against > powerpc: > > -rw-rw-r-- 1 akpm akpm 493 May 25 15:06 arch/powerpc/kernel/kgdb.c.rej > -rw-rw-r-- 1 akpm akpm 6461 May 25 15:06 > arch/powerpc/kernel/trace

Re: clean up and streamline probe_kernel_* and friends v4

2020-05-25 Thread Andrew Morton
On Thu, 21 May 2020 17:22:38 +0200 Christoph Hellwig wrote: > this series start cleaning up the safe kernel and user memory probing > helpers in mm/maccess.c, and then allows architectures to implement > the kernel probing without overriding the address space limit and > temporarily allowing acce

Re: clean up and streamline probe_kernel_* and friends v4

2020-05-21 Thread Masami Hiramatsu
On Thu, 21 May 2020 17:22:38 +0200 Christoph Hellwig wrote: > Hi all, > > this series start cleaning up the safe kernel and user memory probing > helpers in mm/maccess.c, and then allows architectures to implement > the kernel probing without overriding the address space limit and > temporarily

Re: clean up and streamline probe_kernel_* and friends v4

2020-05-21 Thread Linus Torvalds
On Thu, May 21, 2020 at 8:23 AM Christoph Hellwig wrote: > > this series start cleaning up the safe kernel and user memory probing > helpers in mm/maccess.c, and then allows architectures to implement > the kernel probing without overriding the address space limit and > temporarily allowing access

clean up and streamline probe_kernel_* and friends v4

2020-05-21 Thread Christoph Hellwig
Hi all, this series start cleaning up the safe kernel and user memory probing helpers in mm/maccess.c, and then allows architectures to implement the kernel probing without overriding the address space limit and temporarily allowing access to user memory. It then switches x86 over to this new mec