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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id m2sm3024583pgc.19.2019.09.26.10.56.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Sep 2019 10:56:30 -0700 (PDT) From: Kees Cook To: Thomas Gleixner Subject: [PATCH 24/29] powerpc: Move EXCEPTION_TABLE to RO_DATA segment Date: Thu, 26 Sep 2019 10:55:57 -0700 Message-Id: <20190926175602.33098-25-keescook@chromium.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190926175602.33098-1-keescook@chromium.org> References: <20190926175602.33098-1-keescook@chromium.org> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Michal Simek , linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, Kees Cook , Arnd Bergmann , linux-xtensa@linux-xtensa.org, linux-kernel@vger.kernel.org, Dave Hansen , x86@kernel.org, Yoshinori Sato , Ingo Molnar , Borislav Petkov , linux-parisc@vger.kernel.org, Andy Lutomirski , "H. Peter Anvin" , Rick Edgecombe , linuxppc-dev@lists.ozlabs.org, linux-c6x-dev@linux-c6x.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" The EXCEPTION_TABLE is read-only, so collapse it into RO_DATA. Signed-off-by: Kees Cook --- arch/powerpc/kernel/vmlinux.lds.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 4e7cec088c8b..2ed44e5824d5 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -7,6 +7,7 @@ #define BSS_FIRST_SECTIONS *(.bss.prominit) #define EMITS_PT_NOTE +#define RO_DATA_EXCEPTION_TABLE_ALIGN 0 #include #include @@ -162,7 +163,6 @@ SECTIONS __stop__btb_flush_fixup = .; } #endif - EXCEPTION_TABLE(0) /* * Init sections discarded at runtime -- 2.17.1