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Date: Sun, 20 Dec 2020 09:37:11 +0530 From: Naresh Kamboju <naresh.kamboju@...aro.org> To: Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Anders Roxell <anders.roxell@...aro.org> Cc: Nathan Chancellor <natechancellor@...il.com>, Nick Desaulniers <ndesaulniers@...gle.com>, linux-mips@...r.kernel.org, open list <linux-kernel@...r.kernel.org>, clang-built-linux <clang-built-linux@...glegroups.com>, lkft-triage@...ts.linaro.org Subject: Re: [PATCH v2] mips: lib: uncached: fix non-standard usage of variable 'sp' On Mon, 14 Dec 2020 at 21:05, Thomas Bogendoerfer <tsbogend@...ha.franken.de> wrote: > > On Fri, Dec 11, 2020 at 11:24:37AM +0100, Anders Roxell wrote: > > When building mips tinyconfig with clang the following warning show up: > > > > arch/mips/lib/uncached.c:45:6: warning: variable 'sp' is uninitialized when used here [-Wuninitialized] > > if (sp >= (long)CKSEG0 && sp < (long)CKSEG2) > > ^~ > > arch/mips/lib/uncached.c:40:18: note: initialize the variable 'sp' to silence this warning > > register long sp __asm__("$sp"); > > ^ > > = 0 > > 1 warning generated. <trimp> > > [1] https://docs.w3cub.com/gcc~10/local-register-variables > > Signed-off-by: Anders Roxell <anders.roxell@...aro.org> > > --- > > arch/mips/lib/uncached.c | 4 +++- > > 1 file changed, 3 insertions(+), 1 deletion(-) > > applied to mips-next. We have noticed these build failures on stable tree also. May I request you to initiate the process to get into the stable tree and for the following branches. - linux-5.10.y - linux-5.9.y - linux-5.4.y - linux-4.19.y - Naresh
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