diff options
Diffstat (limited to 'gcc10.patch')
| -rw-r--r-- | gcc10.patch | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/gcc10.patch b/gcc10.patch deleted file mode 100644 index cad51f61e1b9..000000000000 --- a/gcc10.patch +++ /dev/null @@ -1,87 +0,0 @@ -commit 3a58245198d7ea9521e1a856111df27f22822cb6 -Author: egnappahz <egnappah@gmail.com> -Date: Fri May 15 12:21:43 2020 +0200 - - disable warning as errors for gcc10 - - Signed-off-by: egnappahz <egnappah@gmail.com> - -diff --git a/Makefile b/Makefile -index d252219666fd..d4938ac6ebbf 100644 ---- a/Makefile -+++ b/Makefile -@@ -708,10 +708,6 @@ else ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE - KBUILD_CFLAGS += -Os - endif - --ifdef CONFIG_CC_DISABLE_WARN_MAYBE_UNINITIALIZED --KBUILD_CFLAGS += -Wno-maybe-uninitialized --endif -- - # Tell gcc to never replace conditional load with a non-conditional one - KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) - -@@ -861,6 +857,9 @@ KBUILD_CFLAGS += -Wno-pointer-sign - # disable stringop warnings in gcc 8+ - KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation) - -+# Enabled with W=2, disabled by default as noisy -+KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized) -+ - # disable invalid "can't wrap" optimizations for signed / pointers - KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) - -diff --git a/init/Kconfig b/init/Kconfig -index 4f717bfdbfe2..ef59c5c36cdb 100644 ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -36,22 +36,6 @@ config TOOLS_SUPPORT_RELR - config CC_HAS_ASM_INLINE - def_bool $(success,echo 'void foo(void) { asm inline (""); }' | $(CC) -x c - -c -o /dev/null) - --config CC_HAS_WARN_MAYBE_UNINITIALIZED -- def_bool $(cc-option,-Wmaybe-uninitialized) -- help -- GCC >= 4.7 supports this option. -- --config CC_DISABLE_WARN_MAYBE_UNINITIALIZED -- bool -- depends on CC_HAS_WARN_MAYBE_UNINITIALIZED -- default CC_IS_GCC && GCC_VERSION < 40900 # unreliable for GCC < 4.9 -- help -- GCC's -Wmaybe-uninitialized is not reliable by definition. -- Lots of false positive warnings are produced in some cases. -- -- If this option is enabled, -Wno-maybe-uninitialzed is passed -- to the compiler to suppress maybe-uninitialized warnings. -- - config CONSTRUCTORS - bool - depends on !UML -@@ -1249,14 +1233,12 @@ config CC_OPTIMIZE_FOR_PERFORMANCE - config CC_OPTIMIZE_FOR_PERFORMANCE_O3 - bool "Optimize more for performance (-O3)" - depends on ARC -- imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED # avoid false positives - help - Choosing this option will pass "-O3" to your compiler to optimize - the kernel yet more for performance. - - config CC_OPTIMIZE_FOR_SIZE - bool "Optimize for size (-Os)" -- imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED # avoid false positives - help - Choosing this option will pass "-Os" to your compiler resulting - in a smaller kernel. -diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig -index 402eef84c859..743647005f64 100644 ---- a/kernel/trace/Kconfig -+++ b/kernel/trace/Kconfig -@@ -466,7 +466,6 @@ config PROFILE_ANNOTATED_BRANCHES - config PROFILE_ALL_BRANCHES - bool "Profile all if conditionals" if !FORTIFY_SOURCE - select TRACE_BRANCH_PROFILING -- imply CC_DISABLE_WARN_MAYBE_UNINITIALIZED # avoid false positives - help - This tracer profiles all branch conditions. Every if () - taken in the kernel is recorded whether it hit or miss. |