# git rev-parse -q --verify 58b278f568f0509497e2df7310bfd719156a60d1^{commit} 58b278f568f0509497e2df7310bfd719156a60d1 already have revision, skipping fetch # git checkout -q -f -B kisskb 58b278f568f0509497e2df7310bfd719156a60d1 # git clean -qxdf # < git log -1 # commit 58b278f568f0509497e2df7310bfd719156a60d1 # Author: Vaibhav Jain # Date: Wed Aug 28 13:57:29 2019 +0530 # # powerpc: Provide initial documentation for PAPR hcalls # # This doc patch provides an initial description of the hcall op-codes # that are used by Linux kernel running as a guest (LPAR) on top of # PowerVM or any other sPAPR compliant hyper-visor (e.g qemu). # # Apart from documenting the hcalls the doc-patch also provides a # rudimentary overview of how hcall ABI, how they are issued with the # Linux kernel and how information/control flows between the guest and # hypervisor. # # Signed-off-by: Vaibhav Jain # Reviewed-by: Laurent Dufour # Acked-by: Nicholas Piggin # [mpe: Add SPDX tag, add it to index.rst] # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20190828082729.16695-1-vaibhav@linux.ibm.com # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 58b278f568f0509497e2df7310bfd719156a60d1 # < make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_randconfig+ppc64le_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- randconfig KCONFIG_SEED=0x89FF36FB WARNING: unmet direct dependencies detected for NETDEVICES Depends on [n]: NET [=n] Selected by [y]: - AKEBONO [=y] && PPC_47x [=y] WARNING: unmet direct dependencies detected for ETHERNET Depends on [n]: NETDEVICES [=y] && NET [=n] Selected by [y]: - AKEBONO [=y] && PPC_47x [=y] WARNING: unmet direct dependencies detected for MMC_SDHCI Depends on [n]: MMC [=n] && HAS_DMA [=y] Selected by [y]: - AKEBONO [=y] && PPC_47x [=y] WARNING: unmet direct dependencies detected for MMC_SDHCI_PLTFM Depends on [n]: MMC [=n] && MMC_SDHCI [=y] Selected by [y]: - AKEBONO [=y] && PPC_47x [=y] WARNING: unmet direct dependencies detected for HOTPLUG_CPU Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n]) Selected by [y]: - PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=y] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y] WARNING: unmet direct dependencies detected for SCSI_ISCSI_ATTRS Depends on [n]: SCSI [=y] && NET [=n] Selected by [m]: - QEDI [=m] && SCSI_LOWLEVEL [=y] && PCI [=y] && SCSI [=y] && UIO [=m] && QED [=m] WARNING: unmet direct dependencies detected for NET_DEVLINK Depends on [n]: NET [=n] Selected by [y]: - BNXT [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_BROADCOM [=y] && PCI [=y] Selected by [m]: - NETDEVSIM [=m] && NETDEVICES [=y] && DEBUG_FS [=y] - QED [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_QLOGIC [=y] && PCI [=y] WARNING: unmet direct dependencies detected for PAGE_POOL Depends on [n]: NET [=n] Selected by [y]: - BNXT [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_BROADCOM [=y] && PCI [=y] Selected by [m]: - STMMAC_ETH [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_STMICRO [=y] && HAS_IOMEM [=y] && HAS_DMA [=y] WARNING: unmet direct dependencies detected for FAILOVER Depends on [n]: NET [=n] Selected by [y]: - NET_FAILOVER [=y] && NETDEVICES [=y] # 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=n # Added to kconfig CONFIG_CPU_LITTLE_ENDIAN=y # Added to kconfig CONFIG_PPC64=y # Added to kconfig CONFIG_PPC_BOOK3E_64=n # Added to kconfig CONFIG_PPC_BOOK3S_64=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_LD_HEAD_STUB_CATCH=y # Added to kconfig CONFIG_TRIM_UNUSED_KSYMS=n # Added to kconfig CONFIG_UBSAN=n # yes \n | make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_randconfig+ppc64le_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_randconfig+ppc64le_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- /kisskb/src/drivers/cpufreq/cpufreq.c: In function 'refresh_frequency_limits.part.35': /kisskb/src/drivers/cpufreq/cpufreq.c:1125:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ /kisskb/src/drivers/cpufreq/cpufreq.c: In function 'store_scaling_governor': /kisskb/src/drivers/cpufreq/cpufreq.c:792:1: warning: the frame size of 1136 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ /kisskb/src/drivers/cpufreq/cpufreq.c: In function 'cpufreq_init_policy': /kisskb/src/drivers/cpufreq/cpufreq.c:1090:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ /kisskb/src/drivers/cpufreq/powernv-cpufreq.c: In function 'powernv_cpufreq_reboot_notifier': /kisskb/src/drivers/cpufreq/powernv-cpufreq.c:896:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ /kisskb/src/drivers/cpufreq/powernv-cpufreq.c: In function 'powernv_cpufreq_work_fn': /kisskb/src/drivers/cpufreq/powernv-cpufreq.c:928:1: warning: the frame size of 1120 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ /kisskb/src/kernel/seccomp.c: In function '__seccomp_filter': /kisskb/src/kernel/seccomp.c:928:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ /kisskb/src/drivers/usb/misc/usbtest.c: In function 'test_queue': /kisskb/src/drivers/usb/misc/usbtest.c:2148:1: warning: the frame size of 1248 bytes is larger than 1024 bytes [-Wframe-larger-than=] } ^ WARNING: vmlinux.o(.text+0x2e3c): Section mismatch in reference from the variable __boot_from_prom to the function .init.text:prom_init() The function __boot_from_prom() references the function __init prom_init(). This is often because __boot_from_prom lacks a __init annotation or the annotation of prom_init is wrong. WARNING: vmlinux.o(.text+0x2fc8): Section mismatch in reference from the variable start_here_common to the function .init.text:start_kernel() The function start_here_common() references the function __init start_kernel(). This is often because start_here_common lacks a __init annotation or the annotation of start_kernel is wrong. Failed to generate BTF for vmlinux Try to disable CONFIG_DEBUG_INFO_BTF make[1]: *** [/kisskb/src/Makefile:1078: vmlinux] Error 1 make: *** [Makefile:179: sub-make] Error 2 Command 'make -s -j 32 ARCH=powerpc O=/kisskb/build/powerpc-next-rand_randconfig+ppc64le_powerpc-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-next-rand_randconfig+ppc64le_powerpc-gcc8 # Build took: 0:03:38.635671