From mboxrd@z Thu Jan 1 00:00:00 1970 From: dave.long@linaro.org (David Long) Date: Mon, 15 Jun 2015 16:58:39 -0400 Subject: [PATCH 0/2] Consolidate redundant register/stack access code In-Reply-To: References: <1434386579-6045-1-git-send-email-dave.long@linaro.org> Message-ID: <557F3C7F.5040809@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 06/15/15 16:44, Kees Cook wrote: > On Mon, Jun 15, 2015 at 9:42 AM, David Long wrote: >> From: "David A. Long" >> >> Move duplicate and functionally equivalent code for accessing registers >> and stack (CONFIG_HAVE_REGS_AND_STACK_ACCESS_API) from arch subdirs into >> common kernel files. >> >> Note: Help regression testing s390, hexagon, and sh would be appreciated. >> Powerpc builds but I have not verified the functionality. >> >> David A. Long (2): >> Move the pt_regs_offset struct definition from arch to common include >> file >> Consolidate redundant register/stack access code >> >> arch/arm/include/asm/ptrace.h | 6 --- >> arch/arm/kernel/ptrace.c | 72 +--------------------------------- >> arch/hexagon/include/uapi/asm/ptrace.h | 3 -- >> arch/powerpc/include/asm/ptrace.h | 38 ------------------ >> arch/powerpc/kernel/ptrace.c | 39 +----------------- >> arch/s390/include/asm/ptrace.h | 3 -- >> arch/s390/kernel/ptrace.c | 70 ++++++++++----------------------- >> arch/sh/include/asm/ptrace.h | 44 --------------------- >> arch/sh/kernel/Makefile | 2 +- >> arch/sh/kernel/ptrace.c | 33 ---------------- >> arch/sh/kernel/ptrace_32.c | 2 +- >> arch/sh/kernel/ptrace_64.c | 2 +- >> arch/x86/include/asm/ptrace.h | 37 ----------------- >> arch/x86/kernel/ptrace.c | 39 +----------------- >> include/linux/ptrace.h | 51 ++++++++++++++++++++++++ >> kernel/ptrace.c | 38 ++++++++++++++++++ >> 16 files changed, 116 insertions(+), 363 deletions(-) >> delete mode 100644 arch/sh/kernel/ptrace.c > > I love the deletions:insertions ratio! :) > > Reviewed-by: Kees Cook > > I wonder why arm64 doesn't define CONFIG_HAVE_REGS_AND_STACK_ACCESS_API? > That support is added in the patch I sent out after this one (to a different set of recipients). Thanks. > Thanks! > > -Kees >