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Thu, 24 Oct 2019 18:30:25 -0700 (PDT) X-Gm-Message-State: APjAAAWh7EOCVaspjQenDT82YHGTykdui1X1IuYSkRiemg5rYjbJHYxK gmhhDQK8k2b9X+NLI49ej49y4alUVsvatdwSoTw= X-Google-Smtp-Source: APXvYqwjXYQwp/yhTV3LIZTGMXzTyh2zYajp4PvTFqLtiYYGsakd4IU2B4U96c7jAzih1Ho+3+Qk2o5Gu0wN5fG4gLo= X-Received: by 2002:a1f:18ca:: with SMTP id 193mr828852vky.66.1571967024170; Thu, 24 Oct 2019 18:30:24 -0700 (PDT) MIME-Version: 1.0 References: <20191018161033.261971-1-samitolvanen@google.com> <20191024225132.13410-1-samitolvanen@google.com> <20191024225132.13410-17-samitolvanen@google.com> In-Reply-To: <20191024225132.13410-17-samitolvanen@google.com> From: Masahiro Yamada Date: Fri, 25 Oct 2019 10:29:47 +0900 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 16/17] arm64: disable SCS for hypervisor code To: Sami Tolvanen X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191024_183102_202219_6C755BB4 X-CRM114-Status: GOOD ( 12.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Kees Cook , Ard Biesheuvel , Catalin Marinas , Jann Horn , Nick Desaulniers , Linux Kernel Mailing List , Steven Rostedt , Miguel Ojeda , Masami Hiramatsu , clang-built-linux , Kernel Hardening , Laura Abbott , Will Deacon , Dave Martin , linux-arm-kernel Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Oct 25, 2019 at 7:52 AM wrote: > > Signed-off-by: Sami Tolvanen > --- > arch/arm64/kvm/hyp/Makefile | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile > index ea710f674cb6..8289ea086e5e 100644 > --- a/arch/arm64/kvm/hyp/Makefile > +++ b/arch/arm64/kvm/hyp/Makefile > @@ -28,3 +28,6 @@ GCOV_PROFILE := n > KASAN_SANITIZE := n > UBSAN_SANITIZE := n > KCOV_INSTRUMENT := n > + > +ORIG_CFLAGS := $(KBUILD_CFLAGS) > +KBUILD_CFLAGS = $(subst $(CC_FLAGS_SCS),,$(ORIG_CFLAGS)) $(subst ... ) is not the correct use here. It works like sed, s/$(CC_CFLAGS_SCS)// instead of matching by word. KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS)) is more correct, and simpler. -- Best Regards Masahiro Yamada _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel