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Fri, 23 Oct 2026 17:15:36 -0700 (PDT) From: Ritesh Harjani (IBM) To: Sasha Levin , Madhavan Srinivasan Cc: Linus Torvalds , Shrikanth Hegde , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, kernel test robot Subject: Re: [PATCH] powerpc/irq: Fix build with CONFIG_PROC_FS=n In-Reply-To: <20261023211503.3764302-1-sashal@kernel.org> Date: Sat, 24 Oct 2026 05:39:30 +0530 Message-ID: References: <2331292e-1a40-44ef-8776-9155e8e41f03@linux.ibm.com> <20261023211503.3764302-1-sashal@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Sasha Levin writes: > Commit fbb22ceaaf8f ("powerpc/irq: Make irqstats array based") made > arch_show_interrupts() call irq_proc_emit_counts(). That function lives > in kernel/irq/proc.c, which is only built with CONFIG_PROC_FS, so > kernels without procfs no longer link: > > powerpc64-linux-ld: arch/powerpc/kernel/irq.o: in function `arch_show_interrupts': > arch/powerpc/kernel/irq.c:134:(.text+0x4b8c): undefined reference to `irq_proc_emit_counts' > > arch_show_interrupts() is only called from irq_seq_show(), which is in > kernel/irq/proc.c as well, so build it only with CONFIG_PROC_FS, as x86 > already does. > > Fixes: fbb22ceaaf8f ("powerpc/irq: Make irqstats array based") > Reported-by: kernel test robot > Closes: https://lore.kernel.org/oe-kbuild-all/202609271531.8kf2NTjK-lkp@intel.com/ Looks like it still slipped through. > Signed-off-by: Sasha Levin > --- Change looks good to me. Thanks Sasha for fixing it. -ritesh