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[104.155.91.135]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47fd41d1a58sm31650490f8f.7.2026.08.03.03.34.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Aug 2026 03:34:58 -0700 (PDT) Date: Mon, 3 Aug 2026 11:34:55 +0100 From: Vincent Donnefort To: Fuad Tabba Cc: maz@kernel.org, oupton@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, catalin.marinas@arm.com, will@kernel.org, rostedt@goodmis.org, mhiramat@kernel.org, alexandru.elisei@arm.com, joey.gouly@arm.com, seiden@linux.ibm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, qperret@google.com, ardb@kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, tabba@google.com Subject: Re: [PATCH v1 04/11] KVM: arm64: nVHE: Use NULL to reset the trace buffer backing pointer Message-ID: References: <20260720161343.1367007-1-fuad.tabba@linux.dev> <20260720161343.1367007-5-fuad.tabba@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260720161343.1367007-5-fuad.tabba@linux.dev> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260803_033523_492858_800541CC X-CRM114-Status: GOOD ( 17.28 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jul 20, 2026 at 05:13:36PM +0100, Fuad Tabba wrote: > bpages_backing_start is a pointer; resetting it to plain 0 triggers a > sparse warning. > > No functional change intended. > > Signed-off-by: Fuad Tabba Probably missed this when modifying the type for bpages_backing_start. Reviewed-by: Vincent Donnefort > --- > arch/arm64/kvm/hyp/nvhe/trace.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/kvm/hyp/nvhe/trace.c b/arch/arm64/kvm/hyp/nvhe/trace.c > index e7e150ab265ff..177fe3d8fbb13 100644 > --- a/arch/arm64/kvm/hyp/nvhe/trace.c > +++ b/arch/arm64/kvm/hyp/nvhe/trace.c > @@ -93,7 +93,7 @@ static void hyp_trace_buffer_unload_bpage_backing(struct hyp_trace_buffer *trace > > __release_host_mem(start, size); > > - trace_buffer->bpages_backing_start = 0; > + trace_buffer->bpages_backing_start = NULL; > trace_buffer->bpages_backing_size = 0; > } > > -- > 2.39.5 > -- Vincent