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Searched full:zicboz (Results 1 – 4 of 4) sorted by relevance

/linux/tools/testing/selftests/riscv/hwprobe/
H A Dcbo.c72 ksft_print_msg("No Zicboz, testing cbo.zero remains privileged\n"); in test_no_zicboz()
97 is_power_of_2(block_size), "Zicboz block size\n"); in test_zicboz()
98 ksft_print_msg("Zicboz block size: %llu\n", block_size); in test_zicboz()
152 ksft_exit_fail_msg("Zicboz is only present on a subset of harts.\n" in check_no_zicboz_cpus()
153 "Use taskset to select a set of harts where Zicboz\n" in check_no_zicboz_cpus()
/linux/arch/riscv/kernel/
H A Dcpufeature.c101 pr_err("Zicboz detected in ISA string, disabling as no cboz-block-size found\n"); in riscv_ext_zicboz_validate()
105 pr_err("Zicboz disabled as cboz-block-size present, but is not a power-of-2\n"); in riscv_ext_zicboz_validate()
333 __RISCV_ISA_EXT_SUPERSET_VALIDATE(zicboz, RISCV_ISA_EXT_ZICBOZ, riscv_xlinuxenvcfg_exts,
1003 pr_warn("Zicboz disabled as it is unavailable on some harts\n"); in riscv_user_isa_enable()
1029 * Zicboz alternative applications provide the maximum in riscv_cpufeature_patch_check()
/linux/arch/riscv/lib/
H A Dclear_page.S24 * If Zicboz isn't present, or somehow has a block
/linux/arch/riscv/
H A DKconfig804 bool "Zicboz extension support for faster zeroing of memory"
808 Enable the use of the Zicboz extension (cbo.zero instruction)
811 The Zicboz extension is used for faster zeroing of memory.