Re: Linux 4.9.139
On Fri, Nov 23, 2018 at 09:55:47AM +0100, Rainer Fiebig wrote: > Am Freitag, 23. November 2018, 08:47:31 schrieb Greg KH: > > I'm announcing the release of the 4.9.139 kernel. > > > > All users of the 4.9 kernel series must upgrade. > > > > The updated 4.9.y git tree can be found at: > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git > > linux-4.9.y and can be browsed at the normal kernel.org git web browser: > > > > http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary > > > > thanks, > > > > greg k-h > > > Just *in case* this was an oversight: STIBP is still active in 4.9.139. > > Not that I would mind because for my modest Core i3 that I mainly use for > office-work I don't see *any* difference in performance compared to 4.9.136 > (no STIBP). > > So long! Wait, really? I thought I reverted the patch. Oh crap, I only did it for 4.14.y and 4.19.y, my fault :( I'll go queue up the revert now, so sorry about that. greg k-h
Re: Linux 4.9.139
On Fri, Nov 23, 2018 at 09:55:47AM +0100, Rainer Fiebig wrote: > Am Freitag, 23. November 2018, 08:47:31 schrieb Greg KH: > > I'm announcing the release of the 4.9.139 kernel. > > > > All users of the 4.9 kernel series must upgrade. > > > > The updated 4.9.y git tree can be found at: > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git > > linux-4.9.y and can be browsed at the normal kernel.org git web browser: > > > > http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary > > > > thanks, > > > > greg k-h > > > Just *in case* this was an oversight: STIBP is still active in 4.9.139. > > Not that I would mind because for my modest Core i3 that I mainly use for > office-work I don't see *any* difference in performance compared to 4.9.136 > (no STIBP). > > So long! Wait, really? I thought I reverted the patch. Oh crap, I only did it for 4.14.y and 4.19.y, my fault :( I'll go queue up the revert now, so sorry about that. greg k-h
Re: Linux 4.9.139
Am Freitag, 23. November 2018, 08:47:31 schrieb Greg KH: > I'm announcing the release of the 4.9.139 kernel. > > All users of the 4.9 kernel series must upgrade. > > The updated 4.9.y git tree can be found at: > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git > linux-4.9.y and can be browsed at the normal kernel.org git web browser: > > http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary > > thanks, > > greg k-h > Just *in case* this was an oversight: STIBP is still active in 4.9.139. Not that I would mind because for my modest Core i3 that I mainly use for office-work I don't see *any* difference in performance compared to 4.9.136 (no STIBP). So long! Rainer Fiebig > > > .gitignore|1 > Kbuild| 25 > Makefile | 27 +++- > arch/arm/include/asm/assembler.h | 12 ++ > arch/arm/include/asm/barrier.h| 32 + > arch/arm/include/asm/bugs.h |6 - > arch/arm/include/asm/cp15.h |3 > arch/arm/include/asm/cputype.h|8 + > arch/arm/include/asm/kvm_asm.h|2 > arch/arm/include/asm/kvm_host.h | 14 ++ > arch/arm/include/asm/kvm_mmu.h| 23 +++ > arch/arm/include/asm/proc-fns.h |4 > arch/arm/include/asm/system_misc.h| 15 ++ > arch/arm/include/asm/thread_info.h|4 > arch/arm/include/asm/uaccess.h| 26 +++- > arch/arm/kernel/Makefile |1 > arch/arm/kernel/bugs.c| 18 +++ > arch/arm/kernel/entry-common.S| 18 +-- > arch/arm/kernel/entry-header.S| 25 > arch/arm/kernel/signal.c | 55 + > arch/arm/kernel/smp.c |4 > arch/arm/kernel/suspend.c |2 > arch/arm/kernel/sys_oabi-compat.c |8 - > arch/arm/kvm/hyp/hyp-entry.S | 112 ++- > arch/arm/lib/copy_from_user.S |9 + > arch/arm/mm/Kconfig | 23 +++ > arch/arm/mm/Makefile |2 > arch/arm/mm/fault.c |3 > arch/arm/mm/proc-macros.S |3 > arch/arm/mm/proc-v7-2level.S |6 - > arch/arm/mm/proc-v7-bugs.c| 174 > ++ arch/arm/mm/proc-v7.S | > 154 +- arch/arm/vfp/vfpmodule.c | > 17 +- > arch/arm64/crypto/sha1-ce-core.S |6 - > arch/arm64/crypto/sha1-ce-glue.c | 11 - > arch/arm64/crypto/sha2-ce-core.S |6 - > arch/arm64/crypto/sha2-ce-glue.c | 13 -- > arch/arm64/include/asm/efi.h |3 > arch/arm64/include/asm/uaccess.h |4 > arch/ia64/kernel/Makefile | 26 > arch/x86/Makefile | 39 +- > arch/x86/boot/string.c|9 + > arch/x86/crypto/aes_ctrby8_avx-x86_64.S |7 - > drivers/firmware/efi/libstub/Makefile | 26 ++-- > drivers/firmware/efi/libstub/arm64-stub.c | 10 + > drivers/net/ethernet/broadcom/tg3.c | 18 ++- > drivers/net/usb/smsc95xx.c|7 + > drivers/xen/Makefile |3 > include/linux/kbuild.h|6 - > include/linux/module.h|4 > net/core/dev.c|4 > net/core/flow_dissector.c |4 > net/ipv4/inet_fragment.c | 28 ++-- > net/ipv4/ip_tunnel_core.c |2 > net/ipv6/route.c |7 - > net/sctp/socket.c | 26 > scripts/Kbuild.include| 18 ++- > scripts/Makefile.build|8 + > scripts/Makefile.extrawarn|1 > scripts/Makefile.host |6 - > scripts/Makefile.lib | 31 + > scripts/mod/Makefile | 28 > 62 files changed, 901 insertions(+), 296 deletions(-) > > Ard Biesheuvel (5): > crypto: arm64/sha - avoid non-standard inline asm tricks > efi/libstub/arm64: Use hidden attribute for struct screen_info > reference efi/libstub/arm64: Force 'hidden' visibility for section markers > efi/libstub: Preserve .debug sections after absolute relocation check > efi/libstub/arm64: Set -fpie when building the EFI stub > > Arnd Bergmann (2): > modules: mark __inittest/__exittest as __maybe_unused > Kbuild: use -fshort-wchar globally > > Behan Webster (2): > kbuild: Add better clang cross build support > kbuild: use -Oz instead of -Os when using clang > > David Ahern (1): > ipv6: Fix PMTU updates for UDP/raw sockets in presence of VRF > > Eric
Re: Linux 4.9.139
Am Freitag, 23. November 2018, 08:47:31 schrieb Greg KH: > I'm announcing the release of the 4.9.139 kernel. > > All users of the 4.9 kernel series must upgrade. > > The updated 4.9.y git tree can be found at: > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git > linux-4.9.y and can be browsed at the normal kernel.org git web browser: > > http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary > > thanks, > > greg k-h > Just *in case* this was an oversight: STIBP is still active in 4.9.139. Not that I would mind because for my modest Core i3 that I mainly use for office-work I don't see *any* difference in performance compared to 4.9.136 (no STIBP). So long! Rainer Fiebig > > > .gitignore|1 > Kbuild| 25 > Makefile | 27 +++- > arch/arm/include/asm/assembler.h | 12 ++ > arch/arm/include/asm/barrier.h| 32 + > arch/arm/include/asm/bugs.h |6 - > arch/arm/include/asm/cp15.h |3 > arch/arm/include/asm/cputype.h|8 + > arch/arm/include/asm/kvm_asm.h|2 > arch/arm/include/asm/kvm_host.h | 14 ++ > arch/arm/include/asm/kvm_mmu.h| 23 +++ > arch/arm/include/asm/proc-fns.h |4 > arch/arm/include/asm/system_misc.h| 15 ++ > arch/arm/include/asm/thread_info.h|4 > arch/arm/include/asm/uaccess.h| 26 +++- > arch/arm/kernel/Makefile |1 > arch/arm/kernel/bugs.c| 18 +++ > arch/arm/kernel/entry-common.S| 18 +-- > arch/arm/kernel/entry-header.S| 25 > arch/arm/kernel/signal.c | 55 + > arch/arm/kernel/smp.c |4 > arch/arm/kernel/suspend.c |2 > arch/arm/kernel/sys_oabi-compat.c |8 - > arch/arm/kvm/hyp/hyp-entry.S | 112 ++- > arch/arm/lib/copy_from_user.S |9 + > arch/arm/mm/Kconfig | 23 +++ > arch/arm/mm/Makefile |2 > arch/arm/mm/fault.c |3 > arch/arm/mm/proc-macros.S |3 > arch/arm/mm/proc-v7-2level.S |6 - > arch/arm/mm/proc-v7-bugs.c| 174 > ++ arch/arm/mm/proc-v7.S | > 154 +- arch/arm/vfp/vfpmodule.c | > 17 +- > arch/arm64/crypto/sha1-ce-core.S |6 - > arch/arm64/crypto/sha1-ce-glue.c | 11 - > arch/arm64/crypto/sha2-ce-core.S |6 - > arch/arm64/crypto/sha2-ce-glue.c | 13 -- > arch/arm64/include/asm/efi.h |3 > arch/arm64/include/asm/uaccess.h |4 > arch/ia64/kernel/Makefile | 26 > arch/x86/Makefile | 39 +- > arch/x86/boot/string.c|9 + > arch/x86/crypto/aes_ctrby8_avx-x86_64.S |7 - > drivers/firmware/efi/libstub/Makefile | 26 ++-- > drivers/firmware/efi/libstub/arm64-stub.c | 10 + > drivers/net/ethernet/broadcom/tg3.c | 18 ++- > drivers/net/usb/smsc95xx.c|7 + > drivers/xen/Makefile |3 > include/linux/kbuild.h|6 - > include/linux/module.h|4 > net/core/dev.c|4 > net/core/flow_dissector.c |4 > net/ipv4/inet_fragment.c | 28 ++-- > net/ipv4/ip_tunnel_core.c |2 > net/ipv6/route.c |7 - > net/sctp/socket.c | 26 > scripts/Kbuild.include| 18 ++- > scripts/Makefile.build|8 + > scripts/Makefile.extrawarn|1 > scripts/Makefile.host |6 - > scripts/Makefile.lib | 31 + > scripts/mod/Makefile | 28 > 62 files changed, 901 insertions(+), 296 deletions(-) > > Ard Biesheuvel (5): > crypto: arm64/sha - avoid non-standard inline asm tricks > efi/libstub/arm64: Use hidden attribute for struct screen_info > reference efi/libstub/arm64: Force 'hidden' visibility for section markers > efi/libstub: Preserve .debug sections after absolute relocation check > efi/libstub/arm64: Set -fpie when building the EFI stub > > Arnd Bergmann (2): > modules: mark __inittest/__exittest as __maybe_unused > Kbuild: use -fshort-wchar globally > > Behan Webster (2): > kbuild: Add better clang cross build support > kbuild: use -Oz instead of -Os when using clang > > David Ahern (1): > ipv6: Fix PMTU updates for UDP/raw sockets in presence of VRF > > Eric
Re: Linux 4.9.139
diff --git a/.gitignore b/.gitignore
index c2ed4ecb0acd..0c39aa20b6ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,7 @@
*.lzo
*.patch
*.gcno
+*.ll
modules.builtin
Module.symvers
*.dwo
diff --git a/Kbuild b/Kbuild
index 3d0ae152af7c..94c752762bc2 100644
--- a/Kbuild
+++ b/Kbuild
@@ -7,31 +7,6 @@
# 4) Check for missing system calls
# 5) Generate constants.py (may need bounds.h)
-# Default sed regexp - multiline due to syntax constraints
-define sed-y
- "/^->/{s:->#\(.*\):/* \1 */:; \
- s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
- s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
- s:->::; p;}"
-endef
-
-# Use filechk to avoid rebuilds when a header changes, but the resulting file
-# does not
-define filechk_offsets
- (set -e; \
-echo "#ifndef $2"; \
-echo "#define $2"; \
-echo "/*"; \
-echo " * DO NOT MODIFY."; \
-echo " *"; \
-echo " * This file was generated by Kbuild"; \
-echo " */"; \
-echo ""; \
-sed -ne $(sed-y); \
-echo ""; \
-echo "#endif" )
-endef
-
#
# 1) Generate bounds.h
diff --git a/Makefile b/Makefile
index ccf2602f664d..a6959d96316d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 138
+SUBLEVEL = 139
EXTRAVERSION =
NAME = Roaring Lionus
@@ -303,7 +303,7 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo
$$BASH; \
HOSTCC = gcc
HOSTCXX = g++
-HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2
-fomit-frame-pointer -std=gnu89
+HOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2
-fomit-frame-pointer -std=gnu89
HOSTCXXFLAGS = -O2
ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1)
@@ -394,7 +394,7 @@ LINUXINCLUDE+= $(filter-out
$(LINUXINCLUDE),$(USERINCLUDE))
KBUILD_AFLAGS := -D__ASSEMBLY__
KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
- -fno-strict-aliasing -fno-common \
+ -fno-strict-aliasing -fno-common -fshort-wchar \
-Werror-implicit-function-declaration \
-Wno-format-security \
-std=gnu89
@@ -644,7 +644,8 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,)
endif
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
-KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)
+KBUILD_CFLAGS += $(call cc-option,-Oz,-Os)
+KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,)
else
ifdef CONFIG_PROFILE_ALL_BRANCHES
KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,)
@@ -704,11 +705,20 @@ endif
KBUILD_CFLAGS += $(stackp-flag)
ifeq ($(cc-name),clang)
+ifneq ($(CROSS_COMPILE),)
+CLANG_TARGET := -target $(notdir $(CROSS_COMPILE:%-=%))
+GCC_TOOLCHAIN := $(realpath $(dir $(shell which $(LD)))/..)
+endif
+ifneq ($(GCC_TOOLCHAIN),)
+CLANG_GCC_TC := -gcc-toolchain $(GCC_TOOLCHAIN)
+endif
+KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
+KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
-KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)
KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
+KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
# Quiet clang warning: comparison of unsigned expression < 0 is always false
KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
@@ -716,6 +726,8 @@ KBUILD_CFLAGS += $(call cc-disable-warning,
tautological-compare)
# See modpost pattern 2
KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
+KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
+KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
else
# These warnings generated too much noise in a regular build.
@@ -1379,6 +1391,8 @@ help:
@echo '(default:
$$(INSTALL_MOD_PATH)/lib/firmware)'
@echo ' dir/- Build all files in dir and below'
@echo ' dir/file.[ois] - Build specified target only'
+ @echo ' dir/file.ll - Build the LLVM assembly file'
+ @echo '(requires compiler support for LLVM
assembly generation)'
@echo ' dir/file.lst- Build specified mixed source/assembly
target only'
@echo '(requires a recent binutils and recent
build (System.map))'
@echo ' dir/file.ko - Build module including final link'
@@ -1563,6 +1577,7 @@ clean: $(clean-dirs)
-o -name '*.symtypes' -o -name 'modules.order' \
-o -name modules.builtin -o -name '.tmp_*.o.*' \
-o -name
Re: Linux 4.9.139
diff --git a/.gitignore b/.gitignore
index c2ed4ecb0acd..0c39aa20b6ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,7 @@
*.lzo
*.patch
*.gcno
+*.ll
modules.builtin
Module.symvers
*.dwo
diff --git a/Kbuild b/Kbuild
index 3d0ae152af7c..94c752762bc2 100644
--- a/Kbuild
+++ b/Kbuild
@@ -7,31 +7,6 @@
# 4) Check for missing system calls
# 5) Generate constants.py (may need bounds.h)
-# Default sed regexp - multiline due to syntax constraints
-define sed-y
- "/^->/{s:->#\(.*\):/* \1 */:; \
- s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
- s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
- s:->::; p;}"
-endef
-
-# Use filechk to avoid rebuilds when a header changes, but the resulting file
-# does not
-define filechk_offsets
- (set -e; \
-echo "#ifndef $2"; \
-echo "#define $2"; \
-echo "/*"; \
-echo " * DO NOT MODIFY."; \
-echo " *"; \
-echo " * This file was generated by Kbuild"; \
-echo " */"; \
-echo ""; \
-sed -ne $(sed-y); \
-echo ""; \
-echo "#endif" )
-endef
-
#
# 1) Generate bounds.h
diff --git a/Makefile b/Makefile
index ccf2602f664d..a6959d96316d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 9
-SUBLEVEL = 138
+SUBLEVEL = 139
EXTRAVERSION =
NAME = Roaring Lionus
@@ -303,7 +303,7 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo
$$BASH; \
HOSTCC = gcc
HOSTCXX = g++
-HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2
-fomit-frame-pointer -std=gnu89
+HOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2
-fomit-frame-pointer -std=gnu89
HOSTCXXFLAGS = -O2
ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1)
@@ -394,7 +394,7 @@ LINUXINCLUDE+= $(filter-out
$(LINUXINCLUDE),$(USERINCLUDE))
KBUILD_AFLAGS := -D__ASSEMBLY__
KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
- -fno-strict-aliasing -fno-common \
+ -fno-strict-aliasing -fno-common -fshort-wchar \
-Werror-implicit-function-declaration \
-Wno-format-security \
-std=gnu89
@@ -644,7 +644,8 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,)
endif
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
-KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)
+KBUILD_CFLAGS += $(call cc-option,-Oz,-Os)
+KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,)
else
ifdef CONFIG_PROFILE_ALL_BRANCHES
KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,)
@@ -704,11 +705,20 @@ endif
KBUILD_CFLAGS += $(stackp-flag)
ifeq ($(cc-name),clang)
+ifneq ($(CROSS_COMPILE),)
+CLANG_TARGET := -target $(notdir $(CROSS_COMPILE:%-=%))
+GCC_TOOLCHAIN := $(realpath $(dir $(shell which $(LD)))/..)
+endif
+ifneq ($(GCC_TOOLCHAIN),)
+CLANG_GCC_TC := -gcc-toolchain $(GCC_TOOLCHAIN)
+endif
+KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
+KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
-KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)
KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
+KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
# Quiet clang warning: comparison of unsigned expression < 0 is always false
KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
@@ -716,6 +726,8 @@ KBUILD_CFLAGS += $(call cc-disable-warning,
tautological-compare)
# See modpost pattern 2
KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
+KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
+KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
else
# These warnings generated too much noise in a regular build.
@@ -1379,6 +1391,8 @@ help:
@echo '(default:
$$(INSTALL_MOD_PATH)/lib/firmware)'
@echo ' dir/- Build all files in dir and below'
@echo ' dir/file.[ois] - Build specified target only'
+ @echo ' dir/file.ll - Build the LLVM assembly file'
+ @echo '(requires compiler support for LLVM
assembly generation)'
@echo ' dir/file.lst- Build specified mixed source/assembly
target only'
@echo '(requires a recent binutils and recent
build (System.map))'
@echo ' dir/file.ko - Build module including final link'
@@ -1563,6 +1577,7 @@ clean: $(clean-dirs)
-o -name '*.symtypes' -o -name 'modules.order' \
-o -name modules.builtin -o -name '.tmp_*.o.*' \
-o -name
