From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Carstens Date: Wed, 16 Oct 2019 08:25:16 +0000 Subject: Re: [PATCH v2 06/29] s390: Move RO_DATA into "text" PT_LOAD Program Header Message-Id: <20191016082516.GB4267@osiris> List-Id: References: <20191011000609.29728-1-keescook@chromium.org> <20191011000609.29728-7-keescook@chromium.org> In-Reply-To: <20191011000609.29728-7-keescook@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Kees Cook Cc: Borislav Petkov , Rick Edgecombe , Dave Hansen , Andy Lutomirski , Arnd Bergmann , Michael Ellerman , Will Deacon , linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michal Simek , linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org, x86@kernel.org, linux-kernel@vger.kernel.org On Thu, Oct 10, 2019 at 05:05:46PM -0700, Kees Cook wrote: > In preparation for moving NOTES into RO_DATA, move RO_DATA back into the > "text" PT_LOAD Program Header, as done with other architectures. The > "data" PT_LOAD now starts with the writable data section. > > Signed-off-by: Kees Cook > --- > arch/s390/kernel/vmlinux.lds.S | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S > index 7e0eb4020917..13294fef473e 100644 > --- a/arch/s390/kernel/vmlinux.lds.S > +++ b/arch/s390/kernel/vmlinux.lds.S > @@ -52,7 +52,7 @@ SECTIONS > > NOTES :text :note > > - .dummy : { *(.dummy) } :data > + .dummy : { *(.dummy) } :text > > RO_DATA_SECTION(PAGE_SIZE) > > @@ -64,7 +64,7 @@ SECTIONS > .data..ro_after_init : { > *(.data..ro_after_init) > JUMP_TABLE_DATA > - } > + } :data > EXCEPTION_TABLE(16) > . = ALIGN(PAGE_SIZE); > __end_ro_after_init = .; Acked-by: Heiko Carstens