Re: [PATCH] parisc: Remove PTE load and fault check from L2_ptep macro

2018-09-26 Thread Guenter Roeck
On 09/26/2018 05:09 AM, John David Anglin wrote: Hi, On 2018-09-25 11:21 PM, Guenter Roeck wrote: This patch causes my parisc qemu tests to fail. Unfortunately I don't have any useful log output; the failure is silent. Reverting the patch fixes the problem. Can you be more specific on how to

Re: [PATCH] parisc: Remove PTE load and fault check from L2_ptep macro

2018-09-26 Thread Guenter Roeck
On 09/26/2018 05:09 AM, John David Anglin wrote: Hi, On 2018-09-25 11:21 PM, Guenter Roeck wrote: This patch causes my parisc qemu tests to fail. Unfortunately I don't have any useful log output; the failure is silent. Reverting the patch fixes the problem. Can you be more specific on how to

Re: [PATCH] parisc: Remove PTE load and fault check from L2_ptep macro

2018-09-26 Thread John David Anglin
Hi, On 2018-09-25 11:21 PM, Guenter Roeck wrote: This patch causes my parisc qemu tests to fail. Unfortunately I don't have any useful log output; the failure is silent. Reverting the patch fixes the problem. Can you be more specific on how to run these tests? Dave -- John David Anglin

Re: [PATCH] parisc: Remove PTE load and fault check from L2_ptep macro

2018-09-26 Thread John David Anglin
Hi, On 2018-09-25 11:21 PM, Guenter Roeck wrote: This patch causes my parisc qemu tests to fail. Unfortunately I don't have any useful log output; the failure is silent. Reverting the patch fixes the problem. Can you be more specific on how to run these tests? Dave -- John David Anglin

Re: [PATCH] parisc: Remove PTE load and fault check from L2_ptep macro

2018-09-25 Thread Guenter Roeck
Hi, On Sun, Sep 23, 2018 at 10:55:18AM -0400, John David Anglin wrote: > This change removes the PTE load and present check from the L2_ptep > macro. The load and check for kernel pages is now done in the tlb_lock > macro. This avoids a double load and check for user pages. The load > and

Re: [PATCH] parisc: Remove PTE load and fault check from L2_ptep macro

2018-09-25 Thread Guenter Roeck
Hi, On Sun, Sep 23, 2018 at 10:55:18AM -0400, John David Anglin wrote: > This change removes the PTE load and present check from the L2_ptep > macro. The load and check for kernel pages is now done in the tlb_lock > macro. This avoids a double load and check for user pages. The load > and