Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Russell King - ARM Linux
On Fri, Oct 26, 2018 at 12:00:09AM +0530, Souptick Joarder wrote: > On Thu, Oct 25, 2018 at 11:40 PM Florian Fainelli > wrote: > > > > Some software such as perf makes unconditional use of the special > > [vectors] page which is only provided when CONFIG_KUSER_HELPERS is > > enabled in the

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Russell King - ARM Linux
On Fri, Oct 26, 2018 at 12:00:09AM +0530, Souptick Joarder wrote: > On Thu, Oct 25, 2018 at 11:40 PM Florian Fainelli > wrote: > > > > Some software such as perf makes unconditional use of the special > > [vectors] page which is only provided when CONFIG_KUSER_HELPERS is > > enabled in the

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Souptick Joarder
On Fri, Oct 26, 2018 at 12:18 AM Florian Fainelli wrote: > > On 10/25/18 11:30 AM, Souptick Joarder wrote: > > On Thu, Oct 25, 2018 at 11:40 PM Florian Fainelli > > wrote: > >> > >> Some software such as perf makes unconditional use of the special > >> [vectors] page which is only provided when

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Souptick Joarder
On Fri, Oct 26, 2018 at 12:18 AM Florian Fainelli wrote: > > On 10/25/18 11:30 AM, Souptick Joarder wrote: > > On Thu, Oct 25, 2018 at 11:40 PM Florian Fainelli > > wrote: > >> > >> Some software such as perf makes unconditional use of the special > >> [vectors] page which is only provided when

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Florian Fainelli
On 10/25/18 11:25 AM, Eric W. Biederman wrote: > Florian Fainelli writes: > >> Some software such as perf makes unconditional use of the special >> [vectors] page which is only provided when CONFIG_KUSER_HELPERS is >> enabled in the kernel. >> >> Facilitate the debugging of such situations by

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Florian Fainelli
On 10/25/18 11:25 AM, Eric W. Biederman wrote: > Florian Fainelli writes: > >> Some software such as perf makes unconditional use of the special >> [vectors] page which is only provided when CONFIG_KUSER_HELPERS is >> enabled in the kernel. >> >> Facilitate the debugging of such situations by

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Florian Fainelli
On 10/25/18 11:30 AM, Souptick Joarder wrote: > On Thu, Oct 25, 2018 at 11:40 PM Florian Fainelli > wrote: >> >> Some software such as perf makes unconditional use of the special >> [vectors] page which is only provided when CONFIG_KUSER_HELPERS is >> enabled in the kernel. >> >> Facilitate the

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Florian Fainelli
On 10/25/18 11:30 AM, Souptick Joarder wrote: > On Thu, Oct 25, 2018 at 11:40 PM Florian Fainelli > wrote: >> >> Some software such as perf makes unconditional use of the special >> [vectors] page which is only provided when CONFIG_KUSER_HELPERS is >> enabled in the kernel. >> >> Facilitate the

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Souptick Joarder
On Thu, Oct 25, 2018 at 11:40 PM Florian Fainelli wrote: > > Some software such as perf makes unconditional use of the special > [vectors] page which is only provided when CONFIG_KUSER_HELPERS is > enabled in the kernel. > > Facilitate the debugging of such situations by printing a debug message

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Souptick Joarder
On Thu, Oct 25, 2018 at 11:40 PM Florian Fainelli wrote: > > Some software such as perf makes unconditional use of the special > [vectors] page which is only provided when CONFIG_KUSER_HELPERS is > enabled in the kernel. > > Facilitate the debugging of such situations by printing a debug message

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Eric W. Biederman
Florian Fainelli writes: > Some software such as perf makes unconditional use of the special > [vectors] page which is only provided when CONFIG_KUSER_HELPERS is > enabled in the kernel. > > Facilitate the debugging of such situations by printing a debug message > to the kernel log showing the

Re: [PATCH] ARM: mm: Facilitate debugging CONFIG_KUSER_HELPERS disabled

2018-10-25 Thread Eric W. Biederman
Florian Fainelli writes: > Some software such as perf makes unconditional use of the special > [vectors] page which is only provided when CONFIG_KUSER_HELPERS is > enabled in the kernel. > > Facilitate the debugging of such situations by printing a debug message > to the kernel log showing the