# git rev-parse -q --verify 50ad3f0d00248ed0dda6c8bb69e603b3e900161b^{commit} 50ad3f0d00248ed0dda6c8bb69e603b3e900161b already have revision, skipping fetch # git checkout -q -f -B kisskb 50ad3f0d00248ed0dda6c8bb69e603b3e900161b # git clean -qxdf # < git log -1 # commit 50ad3f0d00248ed0dda6c8bb69e603b3e900161b # Author: Aneesh Kumar K.V # Date: Mon Jul 27 14:29:08 2020 +0530 # # powerpc/book3s64/radix: Add kernel command line option to disable radix GTSE # # This adds a kernel command line option that can be used to disable GTSE support. # Disabling GTSE implies kernel will make hcalls to invalidate TLB entries. # # This was done so that we can do VM migration between configs that enable/disable # GTSE support via hypervisor. To migrate a VM from a system that supports # GTSE to a system that doesn't, we can boot the guest with # radix_hcall_invalidate=on, thereby forcing the guest to use hcalls for TLB # invalidates. # # The check for hcall availability is done in pSeries_setup_arch so that # the panic message appears on the console. This should only happen on # a hypervisor that doesn't force the guest to hash translation even # though it can't handle the radix GTSE=0 request via CAS. With # radix_hcall_invalidate=on if the hypervisor doesn't support hcall_rpt_invalidate # hcall it should force the LPAR to hash translation. # # Signed-off-by: Aneesh Kumar K.V # Tested-by: Bharata B Rao # Signed-off-by: Michael Ellerman # Link: https://lore.kernel.org/r/20200727085908.420806-1-aneesh.kumar@linux.ibm.com # < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-gcc --version # < /opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux-ld --version # < git log --format=%s --max-count=1 50ad3f0d00248ed0dda6c8bb69e603b3e900161b # < make -s -j 80 ARCH=mips O=/kisskb/build/powerpc-next_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux- defconfig # < make -s -j 80 ARCH=mips O=/kisskb/build/powerpc-next_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux- help # make -s -j 80 ARCH=mips O=/kisskb/build/powerpc-next_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux- olddefconfig # make -s -j 80 ARCH=mips O=/kisskb/build/powerpc-next_mips-defconfig_mipsel CROSS_COMPILE=/opt/cross/kisskb/br-mipsel-o32-full-2016.08-613-ge98b4dd/bin/mipsel-linux- FIT description: Linux 5.8.0-rc2-g50ad3f0d0024 Created: Tue Jul 28 07:52:53 2020 Image 0 (kernel@0) Description: Linux 5.8.0-rc2-g50ad3f0d0024 Created: Tue Jul 28 07:52:53 2020 Type: Kernel Image Compression: gzip compressed Data Size: 4993920 Bytes = 4876.88 KiB = 4.76 MiB Architecture: MIPS OS: Linux Load Address: 0x80100000 Entry Point: 0x809319e0 Hash algo: sha1 Hash value: 2fcb559020c34d7a3e0695d63c08099f800eaf0a Image 1 (fdt@boston) Description: img,boston Device Tree Created: Tue Jul 28 07:52:53 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 3793 Bytes = 3.70 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 4799f50d688573234da6e9d7701234d394759ef4 Image 2 (fdt@ni169445) Description: NI 169445 device tree Created: Tue Jul 28 07:52:53 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 1871 Bytes = 1.83 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 51b89b31605ee62038c8468c429af091dfc75ec7 Image 3 (fdt@ocelot_pcb123) Description: MSCC Ocelot PCB123 Device Tree Created: Tue Jul 28 07:52:53 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 4639 Bytes = 4.53 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: be2724f58b66c316a61da7c11ced633f4e7e86c7 Image 4 (fdt@ocelot_pcb120) Description: MSCC Ocelot PCB120 Device Tree Created: Tue Jul 28 07:52:53 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 5198 Bytes = 5.08 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 7556b1594bd7ab9e3b3fa939d8e3e03ae58fa180 Image 5 (fdt@xilfpga) Description: MIPSfpga (xilfpga) Device Tree Created: Tue Jul 28 07:52:53 2020 Type: Flat Device Tree Compression: uncompressed Data Size: 2708 Bytes = 2.64 KiB = 0.00 MiB Architecture: MIPS Hash algo: sha1 Hash value: 63d058b780f65e22da30f0a183433765f1807f1d Default Configuration: 'conf@default' Configuration 0 (conf@default) Description: Generic Linux kernel Kernel: kernel@0 Configuration 1 (conf@boston) Description: Boston Linux kernel Kernel: kernel@0 FDT: fdt@boston Configuration 2 (conf@ni169445) Description: NI 169445 Linux Kernel Kernel: kernel@0 FDT: fdt@ni169445 Configuration 3 (conf@ocelot_pcb123) Description: Ocelot Linux kernel Kernel: kernel@0 FDT: fdt@ocelot_pcb123 Configuration 4 (conf@ocelot_pcb120) Description: Ocelot Linux kernel Kernel: kernel@0 FDT: fdt@ocelot_pcb120 Configuration 5 (conf@xilfpga) Description: MIPSfpga Linux kernel Kernel: kernel@0 FDT: fdt@xilfpga Completed OK # rm -rf /kisskb/build/powerpc-next_mips-defconfig_mipsel # Build took: 0:01:55.990942