# git rev-parse -q --verify fedb8da96355f5f64353625bf96dc69423ad1826^{commit} fedb8da96355f5f64353625bf96dc69423ad1826 already have revision, skipping fetch # git checkout -q -f -B kisskb fedb8da96355f5f64353625bf96dc69423ad1826 # git clean -qxdf # < git log -1 # commit fedb8da96355f5f64353625bf96dc69423ad1826 # Author: John David Anglin # Date: Sun Aug 5 13:30:31 2018 -0400 # # parisc: Define mb() and add memory barriers to assembler unlock sequences # # For years I thought all parisc machines executed loads and stores in # order. However, Jeff Law recently indicated on gcc-patches that this is # not correct. There are various degrees of out-of-order execution all the # way back to the PA7xxx processor series (hit-under-miss). The PA8xxx # series has full out-of-order execution for both integer operations, and # loads and stores. # # This is described in the following article: # http://web.archive.org/web/20040214092531/http://www.cpus.hp.com/technical_references/advperf.shtml # # For this reason, we need to define mb() and to insert a memory barrier # before the store unlocking spinlocks. This ensures that all memory # accesses are complete prior to unlocking. The ldcw instruction performs # the same function on entry. # # Signed-off-by: John David Anglin # Cc: stable@vger.kernel.org # 4.0+ # Signed-off-by: Helge Deller # < /opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < git log --format=%s --max-count=1 fedb8da96355f5f64353625bf96dc69423ad1826 # < make -s -j 10 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- randconfig KCONFIG_SEED=0xD584F085 # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_CPU_BIG_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_DISABLE_WERROR=y # Added to kconfig CONFIG_SECTION_MISMATCH_WARN_ONLY=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_LD_HEAD_STUB_CATCH=y # Added to kconfig # make -s -j 10 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:4291:warning: override: reassigning to symbol STANDALONE .config:4293:warning: override: reassigning to symbol MODULE_SIG .config:4294:warning: override: reassigning to symbol CPU_BIG_ENDIAN .config:4294:warning: override: CPU_BIG_ENDIAN changes choice state .config:4296:warning: override: reassigning to symbol PPC_DISABLE_WERROR .config:4298:warning: override: reassigning to symbol PREVENT_FIRMWARE_BUILD # make -s -j 10 ARCH=powerpc O=/kisskb/build/linus-rand_powerpc-randconfig_powerpc-5.3 CROSS_COMPILE=/opt/cross/kisskb/gcc-5.3.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/arch/powerpc/platforms/cell/spufs/sched.c:1077:12: warning: 'show_spu_loadavg' defined but not used [-Wunused-function] static int show_spu_loadavg(struct seq_file *s, void *private) ^ In file included from /kisskb/src/arch/powerpc/xmon/xmon.c:66:0: /kisskb/src/arch/powerpc/xmon/dis-asm.h: In function 'print_insn_powerpc': /kisskb/src/arch/powerpc/xmon/dis-asm.h:20:9: warning: format '%x' expects argument of type 'unsigned int', but argument 2 has type 'long unsigned int' [-Wformat=] printf("%.8x", insn); ^ /kisskb/src/arch/powerpc/xmon/dis-asm.h: In function 'print_insn_spu': /kisskb/src/arch/powerpc/xmon/dis-asm.h:26:9: warning: format '%x' expects argument of type 'unsigned int', but argument 2 has type 'long unsigned int' [-Wformat=] printf("%.8x", insn); ^ /kisskb/src/arch/powerpc/kernel/eeh.c:1752:12: warning: 'proc_eeh_show' defined but not used [-Wunused-function] static int proc_eeh_show(struct seq_file *m, void *v) ^ /kisskb/src/drivers/connector/connector.c:242:12: warning: 'cn_proc_show' defined but not used [-Wunused-function] static int cn_proc_show(struct seq_file *m, void *v) ^ /kisskb/src/drivers/gpu/drm/bridge/cdns-dsi.c:1340:12: warning: 'cdns_dsi_resume' defined but not used [-Wunused-function] static int cdns_dsi_resume(struct device *dev) ^ /kisskb/src/drivers/gpu/drm/bridge/cdns-dsi.c:1353:12: warning: 'cdns_dsi_suspend' defined but not used [-Wunused-function] static int cdns_dsi_suspend(struct device *dev) ^ /kisskb/src/drivers/staging/rtl8192u/r8192U_core.c:508:12: warning: 'proc_get_stats_ap' defined but not used [-Wunused-function] static int proc_get_stats_ap(struct seq_file *m, void *v) ^ /kisskb/src/drivers/staging/rtl8192u/r8192U_core.c:527:12: warning: 'proc_get_registers' defined but not used [-Wunused-function] static int proc_get_registers(struct seq_file *m, void *v) ^ /kisskb/src/drivers/staging/rtl8192u/r8192U_core.c:568:12: warning: 'proc_get_stats_tx' defined but not used [-Wunused-function] static int proc_get_stats_tx(struct seq_file *m, void *v) ^ /kisskb/src/drivers/staging/rtl8192u/r8192U_core.c:627:12: warning: 'proc_get_stats_rx' defined but not used [-Wunused-function] static int proc_get_stats_rx(struct seq_file *m, void *v) ^ /kisskb/src/drivers/video/fbdev/via/viafbdev.c:1471:12: warning: 'viafb_sup_odev_proc_show' defined but not used [-Wunused-function] static int viafb_sup_odev_proc_show(struct seq_file *m, void *v) ^ Completed OK # rm -rf /kisskb/build/linus-rand_powerpc-randconfig_powerpc-5.3 # Build took: 0:02:58.137502