From 12d1402ce35a900b4273893b885ddf35dbea0571 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Wed, 31 Jul 2019 16:16:00 +0200 Subject: parisc: Mark expected switch fall-throughs in fault.c Fix a fall-through warning in fault.c. Fixes: a035d552a93b ("Makefile: Globally enable fall-through warning") Signed-off-by: Helge Deller --- arch/parisc/mm/fault.c | 1 + 1 file changed, 1 insertion(+) (limited to 'arch') diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index 6dd4669ce7a5..adbd5e2144a3 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -66,6 +66,7 @@ parisc_acctyp(unsigned long code, unsigned int inst) case 0x30000000: /* coproc2 */ if (bit22set(inst)) return VM_WRITE; + /* fall through */ case 0x0: /* indexed/memory management */ if (bit22set(inst)) { -- cgit v1.2.3 From 73b886724747ea5fa599ada988fe0a30edcc2e00 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Wed, 31 Jul 2019 16:16:43 +0200 Subject: parisc: Fix fall-through warnings in fpudispatch.c In fpudispatch.c we see a lot of fall-through warnings, but for this file we prefer to not mark the switches and instead keep it in it's original state as it's copied from HP-UX. Fixes: a035d552a93b ("Makefile: Globally enable fall-through warning") Signed-off-by: Helge Deller --- arch/parisc/math-emu/Makefile | 1 + 1 file changed, 1 insertion(+) (limited to 'arch') diff --git a/arch/parisc/math-emu/Makefile b/arch/parisc/math-emu/Makefile index b6c4b254901a..55c1396580a4 100644 --- a/arch/parisc/math-emu/Makefile +++ b/arch/parisc/math-emu/Makefile @@ -18,3 +18,4 @@ obj-y := frnd.o driver.o decode_exc.o fpudispatch.o denormal.o \ # other very old or stripped-down PA-RISC CPUs -- not currently supported obj-$(CONFIG_MATH_EMULATION) += unimplemented-math-emulation.o +CFLAGS_REMOVE_fpudispatch.o = -Wimplicit-fallthrough=3 -- cgit v1.2.3 From c5df04521b521f14c30de327aa1e880f1190a355 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 23 Jul 2019 18:47:51 +0900 Subject: parisc: rename default_defconfig to defconfig 'default_defconfig' is an awkward name since 'defconfig' is the default. Let's simply say 'defconfig' like other architectures. You can drop the KBUILD_DEFCONFIG define by following the standard naming. Signed-off-by: Masahiro Yamada Signed-off-by: Helge Deller --- arch/parisc/Makefile | 2 - arch/parisc/configs/default_defconfig | 206 ---------------------------------- arch/parisc/configs/defconfig | 206 ++++++++++++++++++++++++++++++++++ 3 files changed, 206 insertions(+), 208 deletions(-) delete mode 100644 arch/parisc/configs/default_defconfig create mode 100644 arch/parisc/configs/defconfig (limited to 'arch') diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index 8acb8fa1f8d6..b10a1179291a 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -19,8 +19,6 @@ KBUILD_IMAGE := vmlinuz -KBUILD_DEFCONFIG := default_defconfig - NM = sh $(srctree)/arch/parisc/nm CHECKFLAGS += -D__hppa__=1 LIBGCC = $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) diff --git a/arch/parisc/configs/default_defconfig b/arch/parisc/configs/default_defconfig deleted file mode 100644 index 5b877ca34ebf..000000000000 --- a/arch/parisc/configs/default_defconfig +++ /dev/null @@ -1,206 +0,0 @@ -# CONFIG_LOCALVERSION_AUTO is not set -CONFIG_SYSVIPC=y -CONFIG_POSIX_MQUEUE=y -CONFIG_IKCONFIG=y -CONFIG_IKCONFIG_PROC=y -CONFIG_LOG_BUF_SHIFT=16 -CONFIG_BLK_DEV_INITRD=y -CONFIG_KALLSYMS_ALL=y -CONFIG_SLAB=y -CONFIG_PROFILING=y -CONFIG_OPROFILE=m -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -CONFIG_MODULE_FORCE_UNLOAD=y -# CONFIG_BLK_DEV_BSG is not set -CONFIG_PA7100LC=y -CONFIG_PREEMPT_VOLUNTARY=y -CONFIG_IOMMU_CCIO=y -CONFIG_GSC_LASI=y -CONFIG_GSC_WAX=y -CONFIG_EISA=y -CONFIG_PCI=y -CONFIG_GSC_DINO=y -CONFIG_PCI_LBA=y -CONFIG_PCCARD=y -CONFIG_YENTA=y -CONFIG_PD6729=y -CONFIG_I82092=y -CONFIG_BINFMT_MISC=m -CONFIG_NET=y -CONFIG_PACKET=y -CONFIG_UNIX=y -CONFIG_XFRM_USER=m -CONFIG_NET_KEY=m -CONFIG_INET=y -CONFIG_IP_MULTICAST=y -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -CONFIG_IP_PNP_BOOTP=y -CONFIG_INET_AH=m -CONFIG_INET_ESP=m -CONFIG_INET_DIAG=m -CONFIG_INET6_AH=y -CONFIG_INET6_ESP=y -CONFIG_INET6_IPCOMP=y -CONFIG_LLC2=m -CONFIG_DEVTMPFS=y -CONFIG_DEVTMPFS_MOUNT=y -# CONFIG_STANDALONE is not set -# CONFIG_PREVENT_FIRMWARE_BUILD is not set -CONFIG_PARPORT=y -CONFIG_PARPORT_PC=m -CONFIG_PARPORT_PC_PCMCIA=m -CONFIG_PARPORT_1284=y -CONFIG_BLK_DEV_LOOP=y -CONFIG_BLK_DEV_CRYPTOLOOP=y -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_SIZE=6144 -CONFIG_IDE=y -CONFIG_BLK_DEV_IDECS=y -CONFIG_BLK_DEV_IDECD=y -CONFIG_BLK_DEV_GENERIC=y -CONFIG_BLK_DEV_NS87415=y -CONFIG_SCSI=y -CONFIG_BLK_DEV_SD=y -CONFIG_CHR_DEV_ST=y -CONFIG_BLK_DEV_SR=y -CONFIG_CHR_DEV_SG=y -CONFIG_SCSI_LASI700=y -CONFIG_SCSI_SYM53C8XX_2=y -CONFIG_SCSI_ZALON=y -CONFIG_MD=y -CONFIG_BLK_DEV_MD=y -CONFIG_MD_LINEAR=y -CONFIG_MD_RAID0=y -CONFIG_MD_RAID1=y -CONFIG_MD_RAID10=y -CONFIG_BLK_DEV_DM=y -CONFIG_NETDEVICES=y -CONFIG_BONDING=m -CONFIG_DUMMY=m -CONFIG_TUN=m -CONFIG_ACENIC=y -CONFIG_TIGON3=y -CONFIG_NET_TULIP=y -CONFIG_TULIP=y -CONFIG_LASI_82596=y -CONFIG_PPP=m -CONFIG_PPP_BSDCOMP=m -CONFIG_PPP_DEFLATE=m -CONFIG_PPPOE=m -CONFIG_PPP_ASYNC=m -CONFIG_PPP_SYNC_TTY=m -# CONFIG_KEYBOARD_HIL_OLD is not set -CONFIG_MOUSE_SERIAL=y -CONFIG_LEGACY_PTY_COUNT=64 -CONFIG_SERIAL_8250=y -CONFIG_SERIAL_8250_CONSOLE=y -CONFIG_SERIAL_8250_CS=y -CONFIG_SERIAL_8250_NR_UARTS=17 -CONFIG_SERIAL_8250_EXTENDED=y -CONFIG_SERIAL_8250_MANY_PORTS=y -CONFIG_SERIAL_8250_SHARE_IRQ=y -CONFIG_PRINTER=m -CONFIG_PPDEV=m -# CONFIG_HW_RANDOM is not set -# CONFIG_HWMON is not set -CONFIG_FB=y -CONFIG_FB_MODE_HELPERS=y -CONFIG_FB_TILEBLITTING=y -CONFIG_DUMMY_CONSOLE_COLUMNS=128 -CONFIG_DUMMY_CONSOLE_ROWS=48 -CONFIG_FRAMEBUFFER_CONSOLE=y -CONFIG_LOGO=y -# CONFIG_LOGO_LINUX_MONO is not set -# CONFIG_LOGO_LINUX_VGA16 is not set -# CONFIG_LOGO_LINUX_CLUT224 is not set -CONFIG_SOUND=y -CONFIG_SND=y -CONFIG_SND_DYNAMIC_MINORS=y -CONFIG_SND_SEQUENCER=y -CONFIG_SND_AD1889=y -CONFIG_SND_HARMONY=y -CONFIG_HID_GYRATION=y -CONFIG_HID_NTRIG=y -CONFIG_HID_PANTHERLORD=y -CONFIG_HID_PETALYNX=y -CONFIG_HID_SAMSUNG=y -CONFIG_HID_SUNPLUS=y -CONFIG_HID_TOPSEED=y -CONFIG_USB=y -CONFIG_USB_MON=y -CONFIG_USB_OHCI_HCD=y -CONFIG_USB_UHCI_HCD=y -CONFIG_EXT2_FS=y -CONFIG_EXT3_FS=y -CONFIG_ISO9660_FS=y -CONFIG_JOLIET=y -CONFIG_VFAT_FS=y -CONFIG_PROC_KCORE=y -CONFIG_TMPFS=y -CONFIG_NFS_FS=y -CONFIG_ROOT_NFS=y -CONFIG_NFSD=y -CONFIG_NFSD_V4=y -CONFIG_CIFS=m -CONFIG_NLS_CODEPAGE_437=y -CONFIG_NLS_CODEPAGE_737=m -CONFIG_NLS_CODEPAGE_775=m -CONFIG_NLS_CODEPAGE_850=m -CONFIG_NLS_CODEPAGE_852=m -CONFIG_NLS_CODEPAGE_855=m -CONFIG_NLS_CODEPAGE_857=m -CONFIG_NLS_CODEPAGE_860=m -CONFIG_NLS_CODEPAGE_861=m -CONFIG_NLS_CODEPAGE_862=m -CONFIG_NLS_CODEPAGE_863=m -CONFIG_NLS_CODEPAGE_864=m -CONFIG_NLS_CODEPAGE_865=m -CONFIG_NLS_CODEPAGE_866=m -CONFIG_NLS_CODEPAGE_869=m -CONFIG_NLS_CODEPAGE_936=m -CONFIG_NLS_CODEPAGE_950=m -CONFIG_NLS_CODEPAGE_932=m -CONFIG_NLS_CODEPAGE_949=m -CONFIG_NLS_CODEPAGE_874=m -CONFIG_NLS_ISO8859_8=m -CONFIG_NLS_CODEPAGE_1250=y -CONFIG_NLS_CODEPAGE_1251=m -CONFIG_NLS_ASCII=m -CONFIG_NLS_ISO8859_1=y -CONFIG_NLS_ISO8859_2=m -CONFIG_NLS_ISO8859_3=m -CONFIG_NLS_ISO8859_4=m -CONFIG_NLS_ISO8859_5=m -CONFIG_NLS_ISO8859_6=m -CONFIG_NLS_ISO8859_7=m -CONFIG_NLS_ISO8859_9=m -CONFIG_NLS_ISO8859_13=m -CONFIG_NLS_ISO8859_14=m -CONFIG_NLS_ISO8859_15=m -CONFIG_NLS_KOI8_R=m -CONFIG_NLS_KOI8_U=m -CONFIG_NLS_UTF8=y -CONFIG_DEBUG_FS=y -CONFIG_HEADERS_INSTALL=y -CONFIG_HEADERS_CHECK=y -CONFIG_MAGIC_SYSRQ=y -CONFIG_DEBUG_KERNEL=y -CONFIG_DEBUG_MUTEXES=y -CONFIG_KEYS=y -CONFIG_CRYPTO_TEST=m -CONFIG_CRYPTO_MICHAEL_MIC=m -CONFIG_CRYPTO_SHA512=m -CONFIG_CRYPTO_TGR192=m -CONFIG_CRYPTO_WP512=m -CONFIG_CRYPTO_ANUBIS=m -CONFIG_CRYPTO_BLOWFISH=m -CONFIG_CRYPTO_CAST6=m -CONFIG_CRYPTO_KHAZAD=m -CONFIG_CRYPTO_SERPENT=m -CONFIG_CRYPTO_TEA=m -CONFIG_CRYPTO_TWOFISH=m -# CONFIG_CRYPTO_HW is not set -CONFIG_LIBCRC32C=m -CONFIG_FONTS=y diff --git a/arch/parisc/configs/defconfig b/arch/parisc/configs/defconfig new file mode 100644 index 000000000000..5b877ca34ebf --- /dev/null +++ b/arch/parisc/configs/defconfig @@ -0,0 +1,206 @@ +# CONFIG_LOCALVERSION_AUTO is not set +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=16 +CONFIG_BLK_DEV_INITRD=y +CONFIG_KALLSYMS_ALL=y +CONFIG_SLAB=y +CONFIG_PROFILING=y +CONFIG_OPROFILE=m +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_MODULE_FORCE_UNLOAD=y +# CONFIG_BLK_DEV_BSG is not set +CONFIG_PA7100LC=y +CONFIG_PREEMPT_VOLUNTARY=y +CONFIG_IOMMU_CCIO=y +CONFIG_GSC_LASI=y +CONFIG_GSC_WAX=y +CONFIG_EISA=y +CONFIG_PCI=y +CONFIG_GSC_DINO=y +CONFIG_PCI_LBA=y +CONFIG_PCCARD=y +CONFIG_YENTA=y +CONFIG_PD6729=y +CONFIG_I82092=y +CONFIG_BINFMT_MISC=m +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_XFRM_USER=m +CONFIG_NET_KEY=m +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_INET_AH=m +CONFIG_INET_ESP=m +CONFIG_INET_DIAG=m +CONFIG_INET6_AH=y +CONFIG_INET6_ESP=y +CONFIG_INET6_IPCOMP=y +CONFIG_LLC2=m +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +# CONFIG_STANDALONE is not set +# CONFIG_PREVENT_FIRMWARE_BUILD is not set +CONFIG_PARPORT=y +CONFIG_PARPORT_PC=m +CONFIG_PARPORT_PC_PCMCIA=m +CONFIG_PARPORT_1284=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_BLK_DEV_CRYPTOLOOP=y +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_SIZE=6144 +CONFIG_IDE=y +CONFIG_BLK_DEV_IDECS=y +CONFIG_BLK_DEV_IDECD=y +CONFIG_BLK_DEV_GENERIC=y +CONFIG_BLK_DEV_NS87415=y +CONFIG_SCSI=y +CONFIG_BLK_DEV_SD=y +CONFIG_CHR_DEV_ST=y +CONFIG_BLK_DEV_SR=y +CONFIG_CHR_DEV_SG=y +CONFIG_SCSI_LASI700=y +CONFIG_SCSI_SYM53C8XX_2=y +CONFIG_SCSI_ZALON=y +CONFIG_MD=y +CONFIG_BLK_DEV_MD=y +CONFIG_MD_LINEAR=y +CONFIG_MD_RAID0=y +CONFIG_MD_RAID1=y +CONFIG_MD_RAID10=y +CONFIG_BLK_DEV_DM=y +CONFIG_NETDEVICES=y +CONFIG_BONDING=m +CONFIG_DUMMY=m +CONFIG_TUN=m +CONFIG_ACENIC=y +CONFIG_TIGON3=y +CONFIG_NET_TULIP=y +CONFIG_TULIP=y +CONFIG_LASI_82596=y +CONFIG_PPP=m +CONFIG_PPP_BSDCOMP=m +CONFIG_PPP_DEFLATE=m +CONFIG_PPPOE=m +CONFIG_PPP_ASYNC=m +CONFIG_PPP_SYNC_TTY=m +# CONFIG_KEYBOARD_HIL_OLD is not set +CONFIG_MOUSE_SERIAL=y +CONFIG_LEGACY_PTY_COUNT=64 +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_CS=y +CONFIG_SERIAL_8250_NR_UARTS=17 +CONFIG_SERIAL_8250_EXTENDED=y +CONFIG_SERIAL_8250_MANY_PORTS=y +CONFIG_SERIAL_8250_SHARE_IRQ=y +CONFIG_PRINTER=m +CONFIG_PPDEV=m +# CONFIG_HW_RANDOM is not set +# CONFIG_HWMON is not set +CONFIG_FB=y +CONFIG_FB_MODE_HELPERS=y +CONFIG_FB_TILEBLITTING=y +CONFIG_DUMMY_CONSOLE_COLUMNS=128 +CONFIG_DUMMY_CONSOLE_ROWS=48 +CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_LOGO=y +# CONFIG_LOGO_LINUX_MONO is not set +# CONFIG_LOGO_LINUX_VGA16 is not set +# CONFIG_LOGO_LINUX_CLUT224 is not set +CONFIG_SOUND=y +CONFIG_SND=y +CONFIG_SND_DYNAMIC_MINORS=y +CONFIG_SND_SEQUENCER=y +CONFIG_SND_AD1889=y +CONFIG_SND_HARMONY=y +CONFIG_HID_GYRATION=y +CONFIG_HID_NTRIG=y +CONFIG_HID_PANTHERLORD=y +CONFIG_HID_PETALYNX=y +CONFIG_HID_SAMSUNG=y +CONFIG_HID_SUNPLUS=y +CONFIG_HID_TOPSEED=y +CONFIG_USB=y +CONFIG_USB_MON=y +CONFIG_USB_OHCI_HCD=y +CONFIG_USB_UHCI_HCD=y +CONFIG_EXT2_FS=y +CONFIG_EXT3_FS=y +CONFIG_ISO9660_FS=y +CONFIG_JOLIET=y +CONFIG_VFAT_FS=y +CONFIG_PROC_KCORE=y +CONFIG_TMPFS=y +CONFIG_NFS_FS=y +CONFIG_ROOT_NFS=y +CONFIG_NFSD=y +CONFIG_NFSD_V4=y +CONFIG_CIFS=m +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_CODEPAGE_737=m +CONFIG_NLS_CODEPAGE_775=m +CONFIG_NLS_CODEPAGE_850=m +CONFIG_NLS_CODEPAGE_852=m +CONFIG_NLS_CODEPAGE_855=m +CONFIG_NLS_CODEPAGE_857=m +CONFIG_NLS_CODEPAGE_860=m +CONFIG_NLS_CODEPAGE_861=m +CONFIG_NLS_CODEPAGE_862=m +CONFIG_NLS_CODEPAGE_863=m +CONFIG_NLS_CODEPAGE_864=m +CONFIG_NLS_CODEPAGE_865=m +CONFIG_NLS_CODEPAGE_866=m +CONFIG_NLS_CODEPAGE_869=m +CONFIG_NLS_CODEPAGE_936=m +CONFIG_NLS_CODEPAGE_950=m +CONFIG_NLS_CODEPAGE_932=m +CONFIG_NLS_CODEPAGE_949=m +CONFIG_NLS_CODEPAGE_874=m +CONFIG_NLS_ISO8859_8=m +CONFIG_NLS_CODEPAGE_1250=y +CONFIG_NLS_CODEPAGE_1251=m +CONFIG_NLS_ASCII=m +CONFIG_NLS_ISO8859_1=y +CONFIG_NLS_ISO8859_2=m +CONFIG_NLS_ISO8859_3=m +CONFIG_NLS_ISO8859_4=m +CONFIG_NLS_ISO8859_5=m +CONFIG_NLS_ISO8859_6=m +CONFIG_NLS_ISO8859_7=m +CONFIG_NLS_ISO8859_9=m +CONFIG_NLS_ISO8859_13=m +CONFIG_NLS_ISO8859_14=m +CONFIG_NLS_ISO8859_15=m +CONFIG_NLS_KOI8_R=m +CONFIG_NLS_KOI8_U=m +CONFIG_NLS_UTF8=y +CONFIG_DEBUG_FS=y +CONFIG_HEADERS_INSTALL=y +CONFIG_HEADERS_CHECK=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_KERNEL=y +CONFIG_DEBUG_MUTEXES=y +CONFIG_KEYS=y +CONFIG_CRYPTO_TEST=m +CONFIG_CRYPTO_MICHAEL_MIC=m +CONFIG_CRYPTO_SHA512=m +CONFIG_CRYPTO_TGR192=m +CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_ANUBIS=m +CONFIG_CRYPTO_BLOWFISH=m +CONFIG_CRYPTO_CAST6=m +CONFIG_CRYPTO_KHAZAD=m +CONFIG_CRYPTO_SERPENT=m +CONFIG_CRYPTO_TEA=m +CONFIG_CRYPTO_TWOFISH=m +# CONFIG_CRYPTO_HW is not set +CONFIG_LIBCRC32C=m +CONFIG_FONTS=y -- cgit v1.2.3 From 740f05f30a8c49ec63668055d28feedd906d3c50 Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Tue, 23 Jul 2019 22:37:54 +0200 Subject: parisc: fix race condition in patching code Assume the following ftrace code sequence that was patched in earlier by ftrace_make_call(): PAGE A: ffc: addr of ftrace_caller() PAGE B: 000: 0x6fc10080 /* stw,ma r1,40(sp) */ 004: 0x48213fd1 /* ldw -18(r1),r1 */ 008: 0xe820c002 /* bv,n r0(r1) */ 00c: 0xe83f1fdf /* b,l,n .-c,r1 */ When a Code sequences that is to be patched spans a page break, we might have already cleared the part on the PAGE A. If an interrupt is coming in during the remap of the fixed mapping to PAGE B, it might execute the patched function with only parts of the FTRACE code cleared. To prevent this, clear the jump to our mini trampoline first, and clear the remaining parts after this. This might also happen when patch_text() patches a function that it calls during remap. Signed-off-by: Sven Schnelle Cc: # 5.2+ Signed-off-by: Helge Deller --- arch/parisc/kernel/ftrace.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c index d784ccdd8fef..b6fb30f2e4bf 100644 --- a/arch/parisc/kernel/ftrace.c +++ b/arch/parisc/kernel/ftrace.c @@ -181,8 +181,9 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, for (i = 0; i < ARRAY_SIZE(insn); i++) insn[i] = INSN_NOP; + __patch_text((void *)rec->ip, INSN_NOP); __patch_text_multiple((void *)rec->ip + 4 - sizeof(insn), - insn, sizeof(insn)); + insn, sizeof(insn)-4); return 0; } #endif -- cgit v1.2.3 From 3fe6c873af2f2247544debdbe51ec29f690a2ccf Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Thu, 1 Aug 2019 13:33:39 +0200 Subject: parisc: Fix build of compressed kernel even with debug enabled With debug info enabled (CONFIG_DEBUG_INFO=y) the resulting vmlinux may get that huge that we need to increase the start addresss for the decompression text section otherwise one will face a linker error. Reported-by: Sven Schnelle Tested-by: Sven Schnelle Cc: stable@vger.kernel.org # v4.14+ Signed-off-by: Helge Deller --- arch/parisc/boot/compressed/vmlinux.lds.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/parisc/boot/compressed/vmlinux.lds.S b/arch/parisc/boot/compressed/vmlinux.lds.S index bfd7872739a3..2ac3a643f2eb 100644 --- a/arch/parisc/boot/compressed/vmlinux.lds.S +++ b/arch/parisc/boot/compressed/vmlinux.lds.S @@ -48,8 +48,8 @@ SECTIONS *(.rodata.compressed) } - /* bootloader code and data starts behind area of extracted kernel */ - . = (SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START); + /* bootloader code and data starts at least behind area of extracted kernel */ + . = MAX(ABSOLUTE(.), (SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START)); /* align on next page boundary */ . = ALIGN(4096); -- cgit v1.2.3 From e50beea8e7738377b4fa664078547be338038ff9 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Thu, 1 Aug 2019 13:42:18 +0200 Subject: parisc: Strip debug info from kernel before creating compressed vmlinuz Same as on x86-64, strip the .comment, .note and debug sections from the Linux kernel before creating the compressed image for the boot loader. Reported-by: James Bottomley Reported-by: Sven Schnelle Cc: stable@vger.kernel.org # v4.20+ Signed-off-by: Helge Deller --- arch/parisc/boot/compressed/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile index 2da8624e5cf6..3b28d1b92218 100644 --- a/arch/parisc/boot/compressed/Makefile +++ b/arch/parisc/boot/compressed/Makefile @@ -55,7 +55,8 @@ $(obj)/misc.o: $(obj)/sizes.h CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER $(obj)/vmlinux.lds: $(obj)/sizes.h -$(obj)/vmlinux.bin: vmlinux +OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S +$(obj)/vmlinux.bin: vmlinux FORCE $(call if_changed,objcopy) vmlinux.bin.all-y := $(obj)/vmlinux.bin -- cgit v1.2.3 From f2c5ed0dd5004c2cff5c0e3d430a107576fcc17f Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Thu, 1 Aug 2019 13:47:03 +0200 Subject: parisc: Add archclean Makefile target Apparently we don't have an archclean target in our arch/parisc/Makefile, so files in there never get cleaned out by make mrproper. This, in turn means that the sizes.h file in arch/parisc/boot/compressed never gets removed and worse, when you transition to an O=build/parisc[64] build model it overrides the generated file. The upshot being my bzImage was building with a SZ_end that was too small. I fixed it by making mrproper clean everything. Signed-off-by: James Bottomley Cc: stable@vger.kernel.org # v4.20+ Signed-off-by: Helge Deller --- arch/parisc/Makefile | 3 +++ arch/parisc/boot/compressed/Makefile | 1 + 2 files changed, 4 insertions(+) (limited to 'arch') diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile index b10a1179291a..3b77d729057f 100644 --- a/arch/parisc/Makefile +++ b/arch/parisc/Makefile @@ -180,5 +180,8 @@ define archhelp @echo ' zinstall - Install compressed vmlinuz kernel' endef +archclean: + $(Q)$(MAKE) $(clean)=$(boot) + archheaders: $(Q)$(MAKE) $(build)=arch/parisc/kernel/syscalls all diff --git a/arch/parisc/boot/compressed/Makefile b/arch/parisc/boot/compressed/Makefile index 3b28d1b92218..1e5879c6a752 100644 --- a/arch/parisc/boot/compressed/Makefile +++ b/arch/parisc/boot/compressed/Makefile @@ -12,6 +12,7 @@ UBSAN_SANITIZE := n targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4 targets += misc.o piggy.o sizes.h head.o real2.o firmware.o +targets += real2.S firmware.c KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING -- cgit v1.2.3