# git rev-parse -q --verify ab851d49f6bfc781edd8bd44c72ec1e49211670b^{commit} ab851d49f6bfc781edd8bd44c72ec1e49211670b already have revision, skipping fetch # git checkout -q -f -B kisskb ab851d49f6bfc781edd8bd44c72ec1e49211670b # git clean -qxdf # < git log -1 # commit ab851d49f6bfc781edd8bd44c72ec1e49211670b # Merge: 1d87200446f1 e3cb0c7102f0 # Author: Linus Torvalds # Date: Tue Nov 26 11:12:02 2019 -0800 # # Merge branch 'x86-iopl-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip # # Pull x86 iopl updates from Ingo Molnar: # "This implements a nice simplification of the iopl and ioperm code that # Thomas Gleixner discovered: we can implement the IO privilege features # of the iopl system call by using the IO permission bitmap in # permissive mode, while trapping CLI/STI/POPF/PUSHF uses in user-space # if they change the interrupt flag. # # This implements that feature, with testing facilities and related # cleanups" # # [ "Simplification" may be an over-statement. The main goal is to avoid # the cli/sti of iopl by effectively implementing the IO port access # parts of iopl in terms of ioperm. # # This may end up not workign well in case people actually depend on # cli/sti being available, or if there are mixed uses of iopl and # ioperm. We will see.. - Linus ] # # * 'x86-iopl-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits) # x86/ioperm: Fix use of deprecated config option # x86/entry/32: Clarify register saving in __switch_to_asm() # selftests/x86/iopl: Extend test to cover IOPL emulation # x86/ioperm: Extend IOPL config to control ioperm() as well # x86/iopl: Remove legacy IOPL option # x86/iopl: Restrict iopl() permission scope # x86/iopl: Fixup misleading comment # selftests/x86/ioperm: Extend testing so the shared bitmap is exercised # x86/ioperm: Share I/O bitmap if identical # x86/ioperm: Remove bitmap if all permissions dropped # x86/ioperm: Move TSS bitmap update to exit to user work # x86/ioperm: Add bitmap sequence number # x86/ioperm: Move iobitmap data into a struct # x86/tss: Move I/O bitmap data into a seperate struct # x86/io: Speedup schedule out of I/O bitmap user # x86/ioperm: Avoid bitmap allocation if no permissions are set # x86/ioperm: Simplify first ioperm() invocation logic # x86/iopl: Cleanup include maze # x86/tss: Fix and move VMX BUILD_BUG_ON() # x86/cpu: Unify cpu_init() # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-ld --version # < git log --format=%s --max-count=1 ab851d49f6bfc781edd8bd44c72ec1e49211670b # < make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_ppc44x_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- ppc44x_defconfig # make -s -j 48 ARCH=powerpc O=/kisskb/build/linus_ppc44x_defconfig_powerpc-gcc4.6 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- /kisskb/src/arch/powerpc/boot/dts/virtex440-ml510.dts:335.37-439.6: Warning (pci_bridge): /plb@0/plbv46-pci@85e00000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/virtex440-ml510.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:204:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:338:21: note: 'pdeo' was declared here /kisskb/src/net/bridge/br_netlink.c: In function 'br_afspec.isra.37': /kisskb/src/net/bridge/br_netlink.c:648:7: warning: 'err' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c: In function 'tun_get_user': /kisskb/src/drivers/net/tun.c:1836:30: warning: 'copylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/net/tun.c:1749:46: warning: 'linear' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:248:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:228:19: note: 'i' was declared here /kisskb/src/drivers/usb/core/devio.c: In function 'async_completed': /kisskb/src/drivers/usb/core/devio.c:625:23: warning: 'errno' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/powerpc/boot/dts/katmai.dts:322.26-361.5: Warning (pci_bridge): /plb/pciex@d00000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/katmai.dts:363.26-402.5: Warning (pci_bridge): /plb/pciex@d20000000: node name is not "pci" or "pcie" /kisskb/src/arch/powerpc/boot/dts/katmai.dts:404.26-443.5: Warning (pci_bridge): /plb/pciex@d40000000: node name is not "pci" or "pcie" arch/powerpc/boot/dts/katmai.dtb: Warning (pci_device_bus_num): Failed prerequisite 'pci_bridge' INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) INFO: Uncompressed kernel (size 0x557a5c) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2731911 Bytes = 2667.88 KiB = 2.61 MiB Load Address: 00600000 Entry Point: 006014c0 Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2731422 Bytes = 2667.40 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014e0 Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2731792 Bytes = 2667.77 KiB = 2.61 MiB Load Address: 00600000 Entry Point: 006000c8 Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2731386 Bytes = 2667.37 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014ec Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2731876 Bytes = 2667.85 KiB = 2.61 MiB Load Address: 00600000 Entry Point: 006014d8 INFO: Uncompressed kernel (size 0x5473dc) overlaps the address of the wrapper(0x400000) INFO: Fixing the link_address of wrapper to (0x600000) Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:23 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2731887 Bytes = 2667.86 KiB = 2.61 MiB Load Address: 00600000 Entry Point: 006014e0 Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:24 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2699122 Bytes = 2635.86 KiB = 2.57 MiB Load Address: 00000000 Entry Point: 00000000 Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:24 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2731281 Bytes = 2667.27 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014e0 Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:24 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2731351 Bytes = 2667.33 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006014cc Image Name: Linux-5.4.0-gab851d49f6bf Created: Wed Nov 27 06:57:24 2019 Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2731250 Bytes = 2667.24 KiB = 2.60 MiB Load Address: 00600000 Entry Point: 006001bc Completed OK # rm -rf /kisskb/build/linus_ppc44x_defconfig_powerpc-gcc4.6 # Build took: 0:00:49.966699