Unverified Commit ebc00dde authored by Emil Renner Berthing's avatar Emil Renner Berthing Committed by Palmer Dabbelt
Browse files

riscv: Add jump-label implementation 



Add jump-label implementation based on the ARM64 version
and add CONFIG_JUMP_LABEL=y to the defconfigs.

Signed-off-by: default avatarEmil Renner Berthing <kernel@esmil.dk>
Reviewed-by: default avatarBjörn Töpel <bjorn.topel@gmail.com>
Tested-by: default avatarBjörn Töpel <bjorn.topel@gmail.com>
Signed-off-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
parent 11a54f42

Documentation/features/core/jump-labels/arch-support.txt

+1 −1
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ 
    |    openrisc: | TODO |

    |      parisc: |  ok  |

    |     powerpc: |  ok  |

    |       riscv: | TODO |

    |       riscv: |  ok  |

    |        s390: |  ok  |

    |          sh: | TODO |

    |       sparc: |  ok  |

arch/riscv/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -47,6 +47,8 @@ config RISCV 
	select GENERIC_TIME_VSYSCALL if MMU && 64BIT

	select HANDLE_DOMAIN_IRQ

	select HAVE_ARCH_AUDITSYSCALL

	select HAVE_ARCH_JUMP_LABEL

	select HAVE_ARCH_JUMP_LABEL_RELATIVE

	select HAVE_ARCH_KASAN if MMU && 64BIT

	select HAVE_ARCH_KGDB

	select HAVE_ARCH_KGDB_QXFER_PKT

arch/riscv/configs/defconfig

+1 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ CONFIG_BPF_SYSCALL=y 
CONFIG_SOC_SIFIVE=y

CONFIG_SOC_VIRT=y

CONFIG_SMP=y

CONFIG_JUMP_LABEL=y

CONFIG_MODULES=y

CONFIG_MODULE_UNLOAD=y

CONFIG_NET=y

arch/riscv/configs/nommu_k210_defconfig

+1 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ CONFIG_SMP=y 
CONFIG_NR_CPUS=2

CONFIG_CMDLINE="earlycon console=ttySIF0"

CONFIG_CMDLINE_FORCE=y

CONFIG_JUMP_LABEL=y

# CONFIG_BLOCK is not set

CONFIG_BINFMT_FLAT=y

# CONFIG_COREDUMP is not set

arch/riscv/configs/nommu_virt_defconfig

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ CONFIG_MAXPHYSMEM_2GB=y 
CONFIG_SMP=y

CONFIG_CMDLINE="root=/dev/vda rw earlycon=uart8250,mmio,0x10000000,115200n8 console=ttyS0"

CONFIG_CMDLINE_FORCE=y

CONFIG_JUMP_LABEL=y

# CONFIG_BLK_DEV_BSG is not set

CONFIG_PARTITION_ADVANCED=y

# CONFIG_MSDOS_PARTITION is not set

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