Re: [PATCH 5.4 084/357] treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()

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On Mon, Mar 20, 2023 at 02:24:35PM +0100, Greg Kroah-Hartman wrote:
> On Fri, Mar 17, 2023 at 12:28:06PM -0600, Tom Saeger wrote:
> > On Fri, Mar 10, 2023 at 02:36:13PM +0100, Greg Kroah-Hartman wrote:
> > > From: Kees Cook <keescook@xxxxxxxxxxxx>
> > > 
> > > [ Upstream commit b13fecb1c3a603c4b8e99b306fecf4f668c11b32 ]
> > > 
> > > This converts all the existing DECLARE_TASKLET() (and ...DISABLED)
> > > macros with DECLARE_TASKLET_OLD() in preparation for refactoring the
> > > tasklet callback type. All existing DECLARE_TASKLET() users had a "0"
> > > data argument, it has been removed here as well.
> > > 
> > > Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > > Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> > > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
> > > Stable-dep-of: 1fdeb8b9f29d ("wifi: iwl3945: Add missing check for create_singlethread_workqueue")
> > > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> > > ---
> > 
> > I noticed kernelci.org bot (5.4) reports:
> > 
> >     Build Failures Detected:
> > 
> >     mips:
> >         ip27_defconfig: (gcc-10) FAIL
> >         ip28_defconfig: (gcc-10) FAIL
> >         lasat_defconfig: (gcc-10) FAIL
> > 
> >     Errors summary:
> > 
> >     1    arch/mips/lasat/picvue_proc.c:87:20: error: ‘pvc_display_tasklet’ undeclared (first use in this function)
> >     1    arch/mips/lasat/picvue_proc.c:42:44: error: expected ‘)’ before ‘&’ token
> >     1    arch/mips/lasat/picvue_proc.c:33:13: error: ‘pvc_display’ defined but not used [-Werror=unused-function]
> > 
> > Link: https://lore.kernel.org/stable/64041dda.170a0220.8cc25.79c9@xxxxxxxxxxxxx/
> > 
> > Here's what I found...
> > this backport to 5.4.y of:
> > b13fecb1c3a6 ("treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()")
> > changed all locations of DECLARE_TASKLET with DECLARE_TASKLET_OLD,
> > except one, in arch/mips/lasat/pcivue_proc.c.
> > 
> > This is due to:
> > 10760dde9be3 ("MIPS: Remove support for LASAT") preceeding
> > b13fecb1c3a6 ("treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()")
> > upstream and the former not being present in 5.4.y.
> > 
> > I rolled a revert/re-apply with fixes in the attached mbox,
> > however maybe just a revert makes more sense?  Up to you.
> > 
> > I have yet to try building this on mips, just did this by inspection.
> 
> I've taken your patches, let's see how that works...
> 

Ugh, It didn't go well.  I now see a problem.  The change to DECLARE_TASKLET_OLD also
removed the last parameter.  I missed that.  I'll spin-up a mips build.

--Tom



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