diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-04-16 10:46:37 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-04-16 10:46:37 -0700 |
commit | 444fe991353987c1c9bc5ab1f903d01f1b4ad415 (patch) | |
tree | add65f4ef5dba7e484f4bb1c401a278af81183bc /arch | |
parent | b5de3c5026f52b6b409904a1c37f590a6c0e44c5 (diff) | |
parent | f05badde4e20d2e0f8c39d07a6873b2bfb0754f8 (diff) |
Merge tag 'riscv-for-linus-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V fixes from Palmer Dabbelt:
"This contains an assortment of RISC-V-related fixups that we found
after rc4. They're all really unrelated:
- The addition of a 32-bit defconfig, to emphasize testing the 32-bit
port.
- A device tree bindings patch, which is pre-work for some patches
that target 5.2.
- A fix to support booting on systems with more physical memory than
the maximum supported by the kernel"
* tag 'riscv-for-linus-5.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
RISC-V: Fix Maximum Physical Memory 2GiB option for 64bit systems
dt-bindings: clock: sifive: add FU540-C000 PRCI clock constants
RISC-V: Add separate defconfig for 32bit systems
Diffstat (limited to 'arch')
-rw-r--r-- | arch/riscv/configs/rv32_defconfig | 84 | ||||
-rw-r--r-- | arch/riscv/mm/init.c | 8 |
2 files changed, 92 insertions, 0 deletions
diff --git a/arch/riscv/configs/rv32_defconfig b/arch/riscv/configs/rv32_defconfig new file mode 100644 index 000000000000..1a911ed8e772 --- /dev/null +++ b/arch/riscv/configs/rv32_defconfig @@ -0,0 +1,84 @@ +CONFIG_SYSVIPC=y +CONFIG_POSIX_MQUEUE=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_CGROUPS=y +CONFIG_CGROUP_SCHED=y +CONFIG_CFS_BANDWIDTH=y +CONFIG_CGROUP_BPF=y +CONFIG_NAMESPACES=y +CONFIG_USER_NS=y +CONFIG_CHECKPOINT_RESTORE=y +CONFIG_BLK_DEV_INITRD=y +CONFIG_EXPERT=y +CONFIG_BPF_SYSCALL=y +CONFIG_ARCH_RV32I=y +CONFIG_SMP=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_ADVANCED_ROUTER=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y +CONFIG_NETLINK_DIAG=y +CONFIG_PCI=y +CONFIG_PCIEPORTBUS=y +CONFIG_PCI_HOST_GENERIC=y +CONFIG_PCIE_XILINX=y +CONFIG_DEVTMPFS=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_VIRTIO_BLK=y +CONFIG_BLK_DEV_SD=y +CONFIG_BLK_DEV_SR=y +CONFIG_ATA=y +CONFIG_SATA_AHCI=y +CONFIG_SATA_AHCI_PLATFORM=y +CONFIG_NETDEVICES=y +CONFIG_VIRTIO_NET=y +CONFIG_MACB=y +CONFIG_E1000E=y +CONFIG_R8169=y +CONFIG_MICROSEMI_PHY=y +CONFIG_INPUT_MOUSEDEV=y +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_OF_PLATFORM=y +CONFIG_SERIAL_EARLYCON_RISCV_SBI=y +CONFIG_HVC_RISCV_SBI=y +# CONFIG_PTP_1588_CLOCK is not set +CONFIG_DRM=y +CONFIG_DRM_RADEON=y +CONFIG_FRAMEBUFFER_CONSOLE=y +CONFIG_USB=y +CONFIG_USB_XHCI_HCD=y +CONFIG_USB_XHCI_PLATFORM=y +CONFIG_USB_EHCI_HCD=y +CONFIG_USB_EHCI_HCD_PLATFORM=y +CONFIG_USB_OHCI_HCD=y +CONFIG_USB_OHCI_HCD_PLATFORM=y +CONFIG_USB_STORAGE=y +CONFIG_USB_UAS=y +CONFIG_VIRTIO_MMIO=y +CONFIG_SIFIVE_PLIC=y +CONFIG_EXT4_FS=y +CONFIG_EXT4_FS_POSIX_ACL=y +CONFIG_AUTOFS4_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +CONFIG_NFS_FS=y +CONFIG_NFS_V4=y +CONFIG_NFS_V4_1=y +CONFIG_NFS_V4_2=y +CONFIG_ROOT_NFS=y +CONFIG_CRYPTO_USER_API_HASH=y +CONFIG_CRYPTO_DEV_VIRTIO=y +CONFIG_PRINTK_TIME=y +# CONFIG_RCU_TRACE is not set diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 5fd8c922e1c2..bc7b77e34d09 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -121,6 +121,14 @@ void __init setup_bootmem(void) */ memblock_reserve(reg->base, vmlinux_end - reg->base); mem_size = min(reg->size, (phys_addr_t)-PAGE_OFFSET); + + /* + * Remove memblock from the end of usable area to the + * end of region + */ + if (reg->base + mem_size < end) + memblock_remove(reg->base + mem_size, + end - reg->base - mem_size); } } BUG_ON(mem_size == 0); |