Re: [PATCH 4.9 00/86] 4.9.88-stable review

From: Greg Kroah-Hartman
Date: Wed Mar 21 2018 - 09:33:05 EST


On Tue, Mar 20, 2018 at 11:49:19PM +0000, Ben Hutchings wrote:
> On Sun, 2018-03-18 at 11:27 +0100, Greg Kroah-Hartman wrote:
> > On Sat, Mar 17, 2018 at 03:48:24PM +0530, Naresh Kamboju wrote:
> [...]
> > > Results from Linaroâs test farm.
> > > No regressions on arm64, arm, qemu_x86_64 and x86_64.
> > >
> > > NOTE:
> > > CONFIG_LEGACY_VSYSCALL_EMULATE=y is enabled from config as default.
> > > Enabled vsyscall=native and vsyscall=none from kernel command line for testing
> > > selftests/x86/test_vsyscall test case on x86_64 and qemu_x86_64.
> > >
> > > test_vdso_64 failed on x86_64 device when vsyscall=none is enabled.
> > > We will investigate this new test failure.
> >
> > I think vsyscall=none just went away :)
>
> No, vsyscall=native went away upstream. vsyscall=none should still
> work everywhere.

Ah, sorry, got that wrong, thanks for the correction.

> However, test_vdso_64 isn't able to detect what the current
> configuration is and it will crash with vsyscall=none (or the
> equivalent default in kconfig).

That's good to know. Naresh, does that help out?

thanks,

greg k-h