From: Sami Tolvanen <samitolvanen@google.com>
To: linux-kernel@vger.kernel.org
Cc: Kees Cook <keescook@chromium.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
x86@kernel.org, Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Nathan Chancellor <nathan@kernel.org>,
Nick Desaulniers <ndesaulniers@google.com>,
Joao Moreira <joao@overdrivepizza.com>,
Sedat Dilek <sedat.dilek@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
linux-hardening@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, llvm@lists.linux.dev,
Sami Tolvanen <samitolvanen@google.com>
Subject: [RFC PATCH 01/21] efi/libstub: Filter out CC_FLAGS_CFI
Date: Fri, 29 Apr 2022 13:36:24 -0700 [thread overview]
Message-ID: <20220429203644.2868448-2-samitolvanen@google.com> (raw)
In-Reply-To: <20220429203644.2868448-1-samitolvanen@google.com>
Explicitly filter out CC_FLAGS_CFI in preparation for the flags being
removed from CC_FLAGS_LTO.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
---
drivers/firmware/efi/libstub/Makefile | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index d0537573501e..234fb2910622 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -39,6 +39,8 @@ KBUILD_CFLAGS := $(cflags-y) -Os -DDISABLE_BRANCH_PROFILING \
# remove SCS flags from all objects in this directory
KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS))
+# disable CFI
+KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_CFI), $(KBUILD_CFLAGS))
# disable LTO
KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS))
--
2.36.0.464.gb9c8b46e94-goog
next prev parent reply other threads:[~2022-04-29 20:36 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-29 20:36 [RFC PATCH 00/21] KCFI support Sami Tolvanen
2022-04-29 20:36 ` Sami Tolvanen [this message]
2022-04-29 20:36 ` [RFC PATCH 02/21] arm64/vdso: Filter out CC_FLAGS_CFI Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 03/21] kallsyms: Ignore __kcfi_typeid_ Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 04/21] cfi: Remove CONFIG_CFI_CLANG_SHADOW Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 05/21] cfi: Drop __CFI_ADDRESSABLE Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 06/21] cfi: Switch to -fsanitize=kcfi Sami Tolvanen
2022-04-30 9:09 ` Peter Zijlstra
2022-04-29 20:36 ` [RFC PATCH 07/21] cfi: Add type helper macros Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 08/21] arm64/crypto: Add types to indirect called assembly functions Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 09/21] arm64: Add CFI error handling Sami Tolvanen
2022-05-05 15:44 ` Mark Rutland
2022-05-05 16:23 ` Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 10/21] treewide: Drop function_nocfi Sami Tolvanen
2022-05-05 16:30 ` Mark Rutland
2022-05-05 16:51 ` Sami Tolvanen
2022-05-05 18:03 ` Mark Rutland
2022-04-29 20:36 ` [RFC PATCH 11/21] treewide: Drop WARN_ON_FUNCTION_MISMATCH Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 12/21] treewide: Drop __cficanonical Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 13/21] cfi: Add the cfi_unchecked macro Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 14/21] treewide: static_call: Pass call arguments to the macro Sami Tolvanen
2022-04-29 23:21 ` Peter Zijlstra
2022-04-30 0:49 ` Sami Tolvanen
2022-05-02 7:46 ` Peter Zijlstra
2022-04-29 20:36 ` [RFC PATCH 15/21] static_call: Use cfi_unchecked Sami Tolvanen
2022-04-29 23:23 ` Peter Zijlstra
2022-04-29 20:36 ` [RFC PATCH 16/21] objtool: Add support for CONFIG_CFI_CLANG Sami Tolvanen
2022-04-29 23:30 ` Peter Zijlstra
2022-04-30 1:00 ` Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 17/21] x86/tools/relocs: Ignore __kcfi_typeid_ relocations Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 18/21] x86: Add types to indirect called assembly functions Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 19/21] x86/purgatory: Disable CFI Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 20/21] x86/vdso: " Sami Tolvanen
2022-04-29 20:36 ` [RFC PATCH 21/21] x86: Add support for CONFIG_CFI_CLANG Sami Tolvanen
2022-04-30 9:24 ` Peter Zijlstra
2022-05-02 15:20 ` Sami Tolvanen
2022-04-29 22:53 ` [RFC PATCH 00/21] KCFI support Kees Cook
2022-04-30 9:02 ` Peter Zijlstra
2022-05-02 15:22 ` Sami Tolvanen
2022-05-02 19:55 ` Peter Zijlstra
2022-05-03 22:35 ` Peter Collingbourne
2022-05-04 7:34 ` Peter Zijlstra
2022-04-30 16:07 ` Kenton Groombridge
2022-05-02 15:31 ` Sami Tolvanen
2022-05-04 16:17 ` Mark Rutland
2022-05-04 16:41 ` Sami Tolvanen
2022-05-04 20:17 ` Sami Tolvanen
2022-05-05 12:36 ` Mark Rutland
2022-05-05 16:00 ` Sami Tolvanen
2022-05-05 17:14 ` Mark Rutland
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