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* Merge tag 'powerpc-6.4-1' of ↵Linus Torvalds2023-04-2816-832/+144
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Michael Ellerman: - Add support for building the kernel using PC-relative addressing on Power10. - Allow HV KVM guests on Power10 to use prefixed instructions. - Unify support for the P2020 CPU (85xx) into a single machine description. - Always build the 64-bit kernel with 128-bit long double. - Drop support for several obsolete 2000's era development boards as identified by Paul Gortmaker. - A series fixing VFIO on Power since some generic changes. - Various other small features and fixes. Thanks to Alexey Kardashevskiy, Andrew Donnellan, Benjamin Gray, Bo Liu, Christophe Leroy, Dan Carpenter, David Binderman, Ira Weiny, Joel Stanley, Kajol Jain, Kautuk Consul, Liang He, Luis Chamberlain, Masahiro Yamada, Michael Neuling, Nathan Chancellor, Nathan Lynch, Nicholas Miehlbradt, Nicholas Piggin, Nick Desaulniers, Nysal Jan K.A, Pali Rohár, Paul Gortmaker, Paul Mackerras, Petr Vaněk, Randy Dunlap, Rob Herring, Sachin Sant, Sean Christopherson, Segher Boessenkool, and Timothy Pearson. * tag 'powerpc-6.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (156 commits) powerpc/64s: Disable pcrel code model on Clang powerpc: Fix merge conflict between pcrel and copy_thread changes powerpc/configs/powernv: Add IGB=y powerpc/configs/64s: Drop JFS Filesystem powerpc/configs/64s: Use EXT4 to mount EXT2 filesystems powerpc/configs: Make pseries_defconfig an alias for ppc64le_guest powerpc/configs: Make pseries_le an alias for ppc64le_guest powerpc/configs: Incorporate generic kvm_guest.config into guest configs powerpc/configs: Add IBMVETH=y and IBMVNIC=y to guest configs powerpc/configs/64s: Enable Device Mapper options powerpc/configs/64s: Enable PSTORE powerpc/configs/64s: Enable VLAN support powerpc/configs/64s: Enable BLK_DEV_NVME powerpc/configs/64s: Drop REISERFS powerpc/configs/64s: Use SHA512 for module signatures powerpc/configs/64s: Enable IO_STRICT_DEVMEM powerpc/configs/64s: Enable SCHEDSTATS powerpc/configs/64s: Enable DEBUG_VM & other options powerpc/configs/64s: Enable EMULATED_STATS powerpc/configs/64s: Enable KUNIT and most tests ...
| * powerpc/configs/powernv: Add IGB=yMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | | | | | Some powernv machines use IGB for networking, so build the driver in to enable net booting such machines. Suggested-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230420052149.1328094-1-mpe@ellerman.id.au
| * powerpc/configs/64s: Drop JFS FilesystemMichael Ellerman2023-04-211-3/+0
| | | | | | | | | | | | | | | | | | | | Unlikely that anyone is still regularly using JFS, drop it from the defconfig. Suggested-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230420051609.1324201-2-mpe@ellerman.id.au
| * powerpc/configs/64s: Use EXT4 to mount EXT2 filesystemsMichael Ellerman2023-04-211-4/+0
| | | | | | | | | | | | | | | | | | The ext4 code will mount ext2 filesystems, no need to build in both. Suggested-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230420051609.1324201-1-mpe@ellerman.id.au
| * powerpc/configs: Make pseries_defconfig an alias for ppc64le_guestMichael Ellerman2023-04-211-323/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rather than trying to keep multiple configs up to date, make pseries_defconfig an alias for ppc64le_guest_defconfig. NOTE, pseries_defconfig was a big endian config, but this commit switches it to little endian. Almost all distros are ppc64le these days, so little endian is much more likely to be what a user wants when they build for "pseries". For an actual big endian guest, use ppc64_guest_defconfig. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-32-mpe@ellerman.id.au
| * powerpc/configs: Incorporate generic kvm_guest.config into guest configsMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Incorporate the generic kvm_guest.config into the powerpc guest configs, ppc64[le]_guest_defconfig. This brings in some useful options, in particular 9P support, and also means future additions to the generic file will be automatically picked up by the powerpc configs. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-30-mpe@ellerman.id.au
| * powerpc/configs: Add IBMVETH=y and IBMVNIC=y to guest configsMichael Ellerman2023-04-211-0/+2
| | | | | | | | | | | | | | | | | | These drivers are sometimes required to have functional networking in a guest, so build them in when building ppc64[le]_guest_defconfig. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-29-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable Device Mapper optionsMichael Ellerman2023-04-211-2/+14
| | | | | | | | | | | | | | | | | | Add device mapper options for test coverage and in case folks are booting systems that require them. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-28-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable PSTOREMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | Like pseries & powernv_defconfig, enable PSTORE. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-27-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable VLAN supportMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | Most other configs, and distros enable it. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-26-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable BLK_DEV_NVMEMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | Copy powernv_defconfig and enable BLK_DEV_NVME. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-25-mpe@ellerman.id.au
| * powerpc/configs/64s: Drop REISERFSMichael Ellerman2023-04-211-4/+0
| | | | | | | | | | | | | | | | No reason to use this anymore. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-24-mpe@ellerman.id.au
| * powerpc/configs/64s: Use SHA512 for module signaturesMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | Modern distros use SHA512 for module signing. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-23-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable IO_STRICT_DEVMEMMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | Distros enable it. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-22-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable SCHEDSTATSMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | Distros enable it. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-21-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable DEBUG_VM & other optionsMichael Ellerman2023-04-211-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | Fedora enables DEBUG_VM, which has led to occasions where a VM_BUG_ON() is not caught by upstream testing, but rather is first found in Fedora, which is not how it's meant to be. PAGE_OWNER & PAGE_POISONING both need to be enabled on the kernel command line, so should not add much overhead in normal operation. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-20-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable EMULATED_STATSMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | | | This is enabled in some of the other powerpc configs, and can be useful for debugging, so enable it in ppc64[le]_defconfig. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-19-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable KUNIT and most testsMichael Ellerman2023-04-211-0/+43
| | | | | | | | | | | | | | | | | | All built as modules, so the tests only happen when the modules are loaded, not affecting normal boot time. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-18-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable SELINUXMichael Ellerman2023-04-211-0/+3
| | | | | | | | | | | | | | | | Fedora, CentOS, RHEL & SUSE all enable it. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-17-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable YAMA, LANDLOCK & BPF LSMsMichael Ellerman2023-04-211-0/+3
| | | | | | | | | | | | | | | | Multiple distros enable these. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-16-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable SLAB hardening optionsMichael Ellerman2023-04-211-0/+4
| | | | | | | | | | | | | | | | Fedora & CentOS enable these. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-15-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable ZSWAP & ZRAMMichael Ellerman2023-04-211-0/+4
| | | | | | | | | | | | | | | | | | Most distros enable these. In particular Fedore uses zram in the default install. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-14-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable CHECKPOINT_RESTOREMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | Most distros enable this. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-13-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable common CGROUP & related optionsMichael Ellerman2023-04-211-2/+7
| | | | | | | | | | | | | | | | Distros enable these options. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-12-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable NO_HZ_FULLMichael Ellerman2023-04-211-2/+1
| | | | | | | | | | | | | | | | | | | | | | At least Fedora & SUSE enable it. VIRT_CPU_ACCOUNTING_GEN is selected so no longer needs to be in the defconfig. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-11-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable common accounting optionsMichael Ellerman2023-04-211-0/+5
| | | | | | | | | | | | | | | | These options are enabled by most distros. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-10-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable AUDITMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | Essentially all distros enable it. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-9-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable PREEMPT_VOLUNTARYMichael Ellerman2023-04-211-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Traditionally on powerpc servers PREEMPT_NONE was used, but these days multiple distros are building with PREEMPT_VOLUNTARY - Ubuntu, Fedora & CentOS all enable it. So update the upstream config to reflect that, and get test coverage before code hits the distros. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-8-mpe@ellerman.id.au
| * powerpc/configs/64s: Add secure boot options to defconfigMichael Ellerman2023-04-211-1/+16
| | | | | | | | | | | | | | | | Add the numerous options required to get secure boot enabled. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-6-mpe@ellerman.id.au
| * powerpc/configs/64s: Enable PAPR_SCMMichael Ellerman2023-04-211-0/+2
| | | | | | | | | | | | | | | | | | This is a powerpc specific driver so add the symbols required to enable it so it gets some build/boot test coverage. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-5-mpe@ellerman.id.au
| * powerpc/configs/6s: Drop obsolete crypto ALGsMichael Ellerman2023-04-211-3/+0
| | | | | | | | | | | | | | | | | | These algorithms were marked obsolete in commit 1674aea5f080 ("crypto: Kconfig - mark unused ciphers as obsolete"). Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-4-mpe@ellerman.id.au
| * powerpc/configs/64s: Drop IPV6 which is default yMichael Ellerman2023-04-211-1/+0
| | | | | | | | | | | | | | | | | | Since commit de551f2eb22a ("net: Build IPv6 into kernel by default"), IPV6 is default y. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-3-mpe@ellerman.id.au
| * powerpc/configs/64s: Drop SPLPAR which is default yMichael Ellerman2023-04-211-1/+0
| | | | | | | | | | | | | | | | | | | | SPLPAR is default y since commit 20c0e8269e9d ("powerpc/pseries: Implement paravirt qspinlocks for SPLPAR"), so doesn't need to be in the defconfig. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-2-mpe@ellerman.id.au
| * powerpc/configs/64s: Update defconfig for symbol movementMichael Ellerman2023-04-211-21/+21
| | | | | | | | | | | | | | | | | | Update ppc64_defconfig to account for symbols moving around, no actual changes. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230414132415.821564-1-mpe@ellerman.id.au
| * powerpc/corenet: Add PPC_QEMU_E500 to corenet configsMichael Ellerman2023-04-201-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add PPC_QEMU_E500 to corenet_base.config, which is then used to generate corenet64_smp_defconfig and corenet32_smp_defconfig. That then allows both those configs to build kernels that boot in qemu using the ppce500 machine type and respectively -cpu e5500 or -cpu e500mc. The code that is added by PPC_QEMU_E500 just defines another machine with a probe function that recognises qemu, so there should be no change when booting on actual hardware supported by CORENET_GENERIC. The increase in vmlinux size is less than 1KB. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230411102838.512859-1-mpe@ellerman.id.au
| * powerpc: drop PowerQUICC II Family ADS platform supportPaul Gortmaker2023-04-202-81/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on documentation revision dates, this MPC82xx pq2fads system predates the MPC8272-ADS variant by about a year and only has 1/2 the amount of RAM (32MB) -- largely making it useless with a modern v6.x kernel from today. Similar to the MPC8272-ADS the pq2fads also supported other 82xx CPU variants, had 8MB flash, and like the 8272 ADS platform, was on a fairly large PCB in order to have space for breakout connectors for all features. These 82xx platforms are two decades old, and originally made for a small group of industry related people in order to assist in new OEM board designs. Given that, it makes sense to remove support today. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230224204959.17425-3-paul.gortmaker@windriver.com
| * powerpc: drop MPC8272_ADS platform supportPaul Gortmaker2023-04-202-80/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The MPC8272-ADS also supported other 82xx CPU variants, had 64MB RAM, 8MB flash, and like the 85xx ADS platforms, was on a fairly large PCB in order to have space for breakout connectors for all the features. These 82xx platforms are two decades old, and originally made for a small group of industry related people in order to assist in new OEM board designs. Given that, it makes sense to remove support today. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230224204959.17425-2-paul.gortmaker@windriver.com
| * powerpc: drop HPCD/MPC8610 evaluation platform supportPaul Gortmaker2023-04-202-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This evaluation platform was essentially a single core 8641 with integrated graphics/display support - in an effort to reduce chip count on kiosk and similar applications. Compared to other evaluation platforms considered for removal in other recent commits, this platform was relatively rare. Unlike all the other 10+ platforms, I couldn't find any documentation on it - just a link to downloading the 2007 era BSP in "LTIB" format as was done back then. With all that in mind, it seems prudent to remove it here in 2023. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> [mpe: Drop stale reference to MPC8610_HPCD in 86xx/Kconfig] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230225201318.3682-4-paul.gortmaker@windriver.com
| * powerpc: drop HPC-NET/MPC8641D evaluation platform supportPaul Gortmaker2023-04-202-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is no denying that this was an interesting platform in its day. Access to a SMP powerpc platform became a bit more obtainable for folks in the BSP industry in the 2007 era, thanks to this platform. Add to that the move to the black Antec case vs. the generic white 2005 era case of the MPC8548CDS or the retro 1950s 1/2 height horizontal case of the HPC II, and it was pretty interesting to people like myself then. However, like all the other evaluation platforms, the overall system was complex out of necessity, as it tried to showcase all possible features and use-cases. That included an AMP option, where you could run two bootloaders and two kernels over two serial consoles. Peripheral sharing got a bit more tricky when you got to the hard disk and similar. In any case we still have the same circumstance. A relatively rare and expensive evaluation platform that is now 15+ years old and not out there in large numbers in the general public. Removal in 2023 just makes sense. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230225201318.3682-3-paul.gortmaker@windriver.com
| * powerpc: drop HPC II (MPC7448) evaluation platform support.Paul Gortmaker2023-04-201-54/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This was an interesting platform - it was the 1st instance of a respin of earlier 130nm 74xx CPUs on 90nm and systems using MPC7448 were positioned as a rack server platform solution. Given that, the evaluation platform (at least the one I had) was shipped in a horizontal 1/2 height Antec desktop case with retro styling and colours, despite the fact the docs explicitly stated that the HPC II is not a desktop machine (noting it had no gfx or legacy PC I/O support). Historic trivia aside, this was the 1st introduction of the e600 procfam as an evolution from the earlier G4. However even with the claim to being "1st e600" it seems the 2005+ era was turning its attention to multicore support and from my memory this poor guy was quickly overshadowed by the dual core MPC8641D. All that aside, we are once again looking at 15+ year old evaluation platforms that were not widely distributed, so 2023 removal makes sense. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230225201318.3682-2-paul.gortmaker@windriver.com
| * powerpc: drop MPC832x_MDS platform supportPaul Gortmaker2023-04-203-61/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This final variant in the e300 family of Modular Development System (MDS) in this series was actually aimed at feature reduction - things like floating point and ethernet were removed in order to make for a lower power and lower cost system. Like all the MDS systems, it was meant as a vehicle to get the CPU out early to hardware OEMs so software and board development could take place in parallel. These were made in limited numbers and availability preference was given to partners who were planning to make their own boards. Given that the whole reason for existence was to assist in enabling new board designs [not happening for 10+ years], and that they weren't generally available, and that the hardware wasn't really hobbyist friendly even for retro computing, it makes sense to retire the support for this particular platform. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Li Yang <leoyang.li@nxp.com> [mpe: Drop stale reference to MPC832x_MDS in arch/powerpc/boot/Makefile] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230220115913.25811-5-paul.gortmaker@windriver.com
| * powerpc: drop MPC837x_MDS platform supportPaul Gortmaker2023-04-203-60/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This next evolutionary step in the e300 family of Modular Development System (MDS) still has, at its core component, a full length card with a PCI edge. No case. Serial and network connectors were on card, so it could optionally be fitted with plastic stand-offs and run stand-alone off a power brick. This is very similar to the MPC834x_MDS and MPC836x_MDS removed in the prior commits, but with this board variant as yet another evolutionary step. SATA and PCI-e were now available. But overall the form factor and design goals were unchanged. Like all the MDS systems, it was meant as a vehicle to get the CPU out early to hardware OEMs so software and board development could take place in parallel. These were made in limited numbers and availability preference was given to partners who were planning to make their own boards. Given that the whole reason for existence was to assist in enabling new board designs [not happening for 10+ years], and that they weren't generally available, and that the hardware wasn't really hobbyist friendly even for retro computing, it makes sense to retire the support for this particular platform. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Li Yang <leoyang.li@nxp.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230220115913.25811-4-paul.gortmaker@windriver.com
| * powerpc: drop MPC836x_MDS platform supportPaul Gortmaker2023-04-203-66/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This 2006 era Modular Development System (MDS) has, at its core component, a full length card with a PCI edge. No case. Serial and network connectors were on card, so it could optionally be fitted with plastic stand-offs and run stand-alone off a power brick. This is very similar to the MPC834x_MDS removed in the prior commit, but with this board variant as an evolutionary step. DDR2 was now an option, and the card edge was revised down to PCI-32 as PCI-64 never got traction. But overall the form factor and design goals were unchanged. Like all the MDS systems, it was meant as a vehicle to get the CPU out early to hardware OEMs so software and board development could take place in parallel. To that end, the BGA CPU was held in place with a mechanical spring loaded pressure assembly (vs. solder) so that early rev silicon could be replaced in the field. Not for COTS deployment! These were made in limited numbers and availability preference was given to partners who were planning to make their own boards. Given that the whole reason for existence was to assist in enabling new board designs [not happening for 10+ years], and that they weren't generally available, and that the hardware wasn't really hobbyist friendly even for retro computing, it makes sense to retire the support for this particular platform. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Li Yang <leoyang.li@nxp.com> [mpe: Drop stale reference to MPC836x_MDS in arch/powerpc/boot/Makefile] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230220115913.25811-3-paul.gortmaker@windriver.com
| * powerpc: drop MPC834x_MDS platform supportPaul Gortmaker2023-04-203-60/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This 2006 era Modular Development System (MDS) has, at its core component, a full length card with a PCI-64 edge. No case. Serial and network connectors were on card, so it could optionally be fitted with plastic stand-offs and run stand-alone off a power brick. Like all the MDS systems, it was meant as a vehicle to get the CPU out early to hardware OEMs so software and board development could take place in parallel. To that end, the BGA CPU was held in place with a mechanical spring loaded pressure assembly (vs. solder) so that early rev silicon could be replaced in the field. Not for COTS deployment! These were made in limited numbers and availability preference was given to partners who were planning to make their own boards, like our WR SBC8349 [since retired in v4.18 (2017, commit 3bc6cf5a86e5)] Given that the whole reason for existence was to assist in enabling new board designs [not happening for 10+ years], and that they weren't generally available, and that the hardware wasn't really hobbyist friendly even for retro computing, it makes sense to retire the support for this platform. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Li Yang <leoyang.li@nxp.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230220115913.25811-2-paul.gortmaker@windriver.com
* | Merge tag 'mm-stable-2023-04-27-15-30' of ↵Linus Torvalds2023-04-272-2/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of switching from a user process to a kernel thread. - More folio conversions from Kefeng Wang, Zhang Peng and Pankaj Raghav. - zsmalloc performance improvements from Sergey Senozhatsky. - Yue Zhao has found and fixed some data race issues around the alteration of memcg userspace tunables. - VFS rationalizations from Christoph Hellwig: - removal of most of the callers of write_one_page() - make __filemap_get_folio()'s return value more useful - Luis Chamberlain has changed tmpfs so it no longer requires swap backing. Use `mount -o noswap'. - Qi Zheng has made the slab shrinkers operate locklessly, providing some scalability benefits. - Keith Busch has improved dmapool's performance, making part of its operations O(1) rather than O(n). - Peter Xu adds the UFFD_FEATURE_WP_UNPOPULATED feature to userfaultd, permitting userspace to wr-protect anon memory unpopulated ptes. - Kirill Shutemov has changed MAX_ORDER's meaning to be inclusive rather than exclusive, and has fixed a bunch of errors which were caused by its unintuitive meaning. - Axel Rasmussen give userfaultfd the UFFDIO_CONTINUE_MODE_WP feature, which causes minor faults to install a write-protected pte. - Vlastimil Babka has done some maintenance work on vma_merge(): cleanups to the kernel code and improvements to our userspace test harness. - Cleanups to do_fault_around() by Lorenzo Stoakes. - Mike Rapoport has moved a lot of initialization code out of various mm/ files and into mm/mm_init.c. - Lorenzo Stoakes removd vmf_insert_mixed_prot(), which was added for DRM, but DRM doesn't use it any more. - Lorenzo has also coverted read_kcore() and vread() to use iterators and has thereby removed the use of bounce buffers in some cases. - Lorenzo has also contributed further cleanups of vma_merge(). - Chaitanya Prakash provides some fixes to the mmap selftesting code. - Matthew Wilcox changes xfs and afs so they no longer take sleeping locks in ->map_page(), a step towards RCUification of pagefaults. - Suren Baghdasaryan has improved mmap_lock scalability by switching to per-VMA locking. - Frederic Weisbecker has reworked the percpu cache draining so that it no longer causes latency glitches on cpu isolated workloads. - Mike Rapoport cleans up and corrects the ARCH_FORCE_MAX_ORDER Kconfig logic. - Liu Shixin has changed zswap's initialization so we no longer waste a chunk of memory if zswap is not being used. - Yosry Ahmed has improved the performance of memcg statistics flushing. - David Stevens has fixed several issues involving khugepaged, userfaultfd and shmem. - Christoph Hellwig has provided some cleanup work to zram's IO-related code paths. - David Hildenbrand has fixed up some issues in the selftest code's testing of our pte state changing. - Pankaj Raghav has made page_endio() unneeded and has removed it. - Peter Xu contributed some rationalizations of the userfaultfd selftests. - Yosry Ahmed has fixed an issue around memcg's page recalim accounting. - Chaitanya Prakash has fixed some arm-related issues in the selftests/mm code. - Longlong Xia has improved the way in which KSM handles hwpoisoned pages. - Peter Xu fixes a few issues with uffd-wp at fork() time. - Stefan Roesch has changed KSM so that it may now be used on a per-process and per-cgroup basis. * tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (369 commits) mm,unmap: avoid flushing TLB in batch if PTE is inaccessible shmem: restrict noswap option to initial user namespace mm/khugepaged: fix conflicting mods to collapse_file() sparse: remove unnecessary 0 values from rc mm: move 'mmap_min_addr' logic from callers into vm_unmapped_area() hugetlb: pte_alloc_huge() to replace huge pte_alloc_map() maple_tree: fix allocation in mas_sparse_area() mm: do not increment pgfault stats when page fault handler retries zsmalloc: allow only one active pool compaction context selftests/mm: add new selftests for KSM mm: add new KSM process and sysfs knobs mm: add new api to enable ksm per process mm: shrinkers: fix debugfs file permissions mm: don't check VMA write permissions if the PTE/PMD indicates write permissions migrate_pages_batch: fix statistics for longterm pin retry userfaultfd: use helper function range_in_vma() lib/show_mem.c: use for_each_populated_zone() simplify code mm: correct arg in reclaim_pages()/reclaim_clean_pages_from_list() fs/buffer: convert create_page_buffers to folio_create_buffers fs/buffer: add folio_create_empty_buffers helper ...
| * | mm, treewide: redefine MAX_ORDER sanelyKirill A. Shutemov2023-04-052-2/+2
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MAX_ORDER currently defined as number of orders page allocator supports: user can ask buddy allocator for page order between 0 and MAX_ORDER-1. This definition is counter-intuitive and lead to number of bugs all over the kernel. Change the definition of MAX_ORDER to be inclusive: the range of orders user can ask from buddy allocator is 0..MAX_ORDER now. [kirill@shutemov.name: fix min() warning] Link: https://lkml.kernel.org/r/20230315153800.32wib3n5rickolvh@box [akpm@linux-foundation.org: fix another min_t warning] [kirill@shutemov.name: fixups per Zi Yan] Link: https://lkml.kernel.org/r/20230316232144.b7ic4cif4kjiabws@box.shutemov.name [akpm@linux-foundation.org: fix underlining in docs] Link: https://lore.kernel.org/oe-kbuild-all/202303191025.VRCTk6mP-lkp@intel.com/ Link: https://lkml.kernel.org/r/20230315113133.11326-11-kirill.shutemov@linux.intel.com Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc] Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
* | Merge tag 'char-misc-6.4-rc1' of ↵Linus Torvalds2023-04-271-2/+0
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc drivers updates from Greg KH: "Here is the "big" set of char/misc and other driver subsystems for 6.4-rc1. It's pretty big, but due to the removal of pcmcia drivers, almost breaks even for number of lines added vs. removed, a nice change. Included in here are: - removal of unused PCMCIA drivers (finally!) - Interconnect driver updates and additions - Lots of IIO driver updates and additions - MHI driver updates - Coresight driver updates - NVMEM driver updates, which required some OF updates - W1 driver updates and a new maintainer to manage the subsystem - FPGA driver updates - New driver subsystem, CDX, for AMD systems - lots of other small driver updates and additions All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (196 commits) mcb-lpc: Reallocate memory region to avoid memory overlapping mcb-pci: Reallocate memory region to avoid memory overlapping mcb: Return actual parsed size when reading chameleon table kernel/configs: Drop Android config fragments virt: acrn: Replace obsolete memalign() with posix_memalign() spmi: Add a check for remove callback when removing a SPMI driver spmi: fix W=1 kernel-doc warnings spmi: mtk-pmif: Drop of_match_ptr for ID table spmi: pmic-arb: Convert to platform remove callback returning void spmi: mtk-pmif: Convert to platform remove callback returning void spmi: hisi-spmi-controller: Convert to platform remove callback returning void w1: gpio: remove unnecessary ENOMEM messages w1: omap-hdq: remove unnecessary ENOMEM messages w1: omap-hdq: add SPDX tag w1: omap-hdq: allow compile testing w1: matrox: remove unnecessary ENOMEM messages w1: matrox: use inline over __inline__ w1: matrox: switch from asm to linux header w1: ds2482: do not use assignment in if condition w1: ds2482: drop unnecessary header ...
| * | Merge 6.3-rc3 into char-misc-nextGreg Kroah-Hartman2023-03-201-0/+1
| |\| | | | | | | | | | | | | | | | | | | We need the mainline fixes in this branch for testing and other subsystem changes to be based properly on. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * | char: pcmcia: remove all the driversJiri Slaby2023-03-091-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These char PCMCIA drivers are buggy[1] and receive only minimal care. It was concluded[2], that we should try to remove most pcmcia drivers completely. Let's start with these char broken one. Note that I also removed a UAPI header: include/uapi/linux/cm4000_cs.h. I found only coccinelle tests mentioning some ioctl constants from that file. But they are not actually used. Anyway, should someone complain, we may reintroduce the header (or its parts). [1] https://lore.kernel.org/all/f41c2765-80e0-48bc-b1e4-8cfd3230fd4a@www.fastmail.com/ [2] https://lore.kernel.org/all/c5b39544-a4fb-4796-a046-0b9be9853787@app.fastmail.com/ Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Cc: "Hyunwoo Kim" <imv4bel@gmail.com> Cc: Harald Welte <laforge@gnumonks.org> Cc: Lubomir Rintel <lkundrak@v3.sk> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20230222092302.6348-2-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* | | Merge tag 'usb-6.4-rc1' of ↵Linus Torvalds2023-04-271-2/+0
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB / Thunderbolt updates from Greg KH: "Here is the large set of USB and Thunderbolt changes for 6.4-rc1. The "biggest" thing in here is the removal of two obsolete drivers, u132-hcd and ftdi-elan, making this a net-removal of code overall. Other than the driver removals, included in here are: - Thunderbolt updates for new hardware and features - xhci driver updates and fixes - dwc3 driver updates and fixes - gadget core and driver updates and features added - mtu3 driver updates - dwc2 driver fixes and updates - usb-serial driver updates - typec driver updates and fixes - platform remove callback changes - dts updates and conversions - other small changes All have been in linux-next for a while with no reported problems" * tag 'usb-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (177 commits) usb: dwc3: gadget: Refactor EP0 forced stall/restart into a separate API usb: dwc3: gadget: Execute gadget stop after halting the controller media: radio-shark: Add endpoint checks USB: sisusbvga: Add endpoint checks USB: core: Add routines for endpoint checks in old drivers usb: dwc3: gadget: Stall and restart EP0 if host is unresponsive dt-bindings: usb: snps,dwc3: Add 'snps,parkmode-disable-hs-quirk' quirk usb: dwc3: core: add support for disabling High-speed park mode dt-bindings: usb: ci-hdrc-usb2: allow multiple PHYs usb: mtu3: add optional clock xhci_ck and frmcnt_ck dt-bindings: usb: mtu3: add two optional clocks usb: mtu3: expose role-switch control to userspace usb: mtu3: unlock @mtu->lock just before giving back request usb: mtu3: fix kernel panic at qmu transfer done irq handler usb: mtu3: use boolean return value usb: mtu3: give back request when rx error happens usb: chipidea: fix missing goto in `ci_hdrc_probe` usb: gadget: udc: core: Prevent redundant calls to pullup usb: gadget: udc: core: Invoke usb_gadget_connect only when started usb: typec: ucsi: don't print PPM init deferred errors ...
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