Messages in this thread | | | Date | Tue, 4 Dec 2018 14:06:16 +0000 | From | Will Deacon <> | Subject | Re: [PATCH v3] perf: tests: Disable breakpoint tests on ARM (32-bit) |
| |
On Mon, Dec 03, 2018 at 11:11:36AM -0800, Florian Fainelli wrote: > breakpoint tests on the ARM 32-bit kernel are broken in several ways. > > The breakpoint length requested does not necessarily match whether the > function address has the Thumb bit (bit 0) set or not, and this does > matter to the ARM kernel hw_breakpoint infrastructure. See [1] for > background. > > [1]: https://lkml.org/lkml/2018/11/15/205 > > As Will indicated, the overflow handling would require single-stepping > which is not supported at the moment. Just disable those tests for the > ARM 32-bit platforms and update the comment above to explain these > limitations. > > Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> > --- > Changes in v3: > > - directly incorporate Will's comment, Will can you add your > Signed-off-by?
Of course:
Co-developed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
Will
| |