linux/arch/riscv/kernel
Atish Patra a9b202606c
RISC-V: Improve /proc/cpuinfo output for ISA extensions
Currently, the /proc/cpuinfo outputs the entire riscv,isa string which
is not ideal when we have multiple ISA extensions present in the ISA
string. Some of them may not be enabled in kernel as well.
Same goes for the single letter extensions as well which prints the
entire ISA string. Some of they may not be valid ISA extensions as
well (e.g 'su')

Parse only the valid & enabled ISA extension and print them.

Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2022-03-17 12:18:12 -07:00
..
probes ftrace: disable preemption when recursion locked 2021-10-27 11:21:49 -04:00
vdso riscv/vdso: Add support for time namespaces 2021-10-04 14:16:43 -07:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
asm-offsets.c RISC-V: Avoid using per cpu array for ordered booting 2022-01-20 09:26:59 -08:00
cacheinfo.c drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION() 2021-09-01 10:29:10 +02:00
cpu_ops_sbi.c RISC-V: Avoid using per cpu array for ordered booting 2022-01-20 09:26:59 -08:00
cpu_ops_spinwait.c RISC-V: Use __cpu_up_stack/task_pointer only for spinwait method 2022-01-20 09:27:08 -08:00
cpu_ops.c RISC-V: Move spinwait booting method to its own config 2022-01-20 09:27:16 -08:00
cpu-hotplug.c riscv: remove cpu_stop() 2022-01-09 11:02:39 -08:00
cpu.c RISC-V: Improve /proc/cpuinfo output for ISA extensions 2022-03-17 12:18:12 -07:00
cpufeature.c RISC-V: Do no continue isa string parsing without correct XLEN 2022-03-17 12:18:06 -07:00
crash_dump.c RISC-V: Add crash kernel support 2021-04-26 08:25:24 -07:00
crash_save_regs.S RISC-V: Add kdump support 2021-04-26 08:25:23 -07:00
efi-header.S RISC-V: Add PE/COFF header for EFI stub 2020-10-02 14:31:16 -07:00
efi.c RISC-V: Add EFI runtime services 2020-10-02 14:31:28 -07:00
entry.S cpu-to-thread_info update for v5.16-rc1 2021-11-01 17:00:05 -07:00
fpu.S riscv: abstract out CSR names for supervisor vs machine mode 2019-11-05 09:20:42 -08:00
ftrace.c ftrace: Cleanup ftrace_dyn_arch_init() 2021-10-08 19:41:39 -04:00
head.h RISC-V: Move spinwait booting method to its own config 2022-01-20 09:27:16 -08:00
head.S RISC-V: Move spinwait booting method to its own config 2022-01-20 09:27:16 -08:00
image-vars.h arch/riscv:fix typo in a comment in arch/riscv/kernel/image-vars.h 2021-02-18 23:18:00 -08:00
irq.c RISC-V: Remove do_IRQ() function 2020-06-09 19:11:24 -07:00
jump_label.c riscv: Add jump-label implementation 2020-07-30 11:37:43 -07:00
kexec_relocate.S riscv: Don't use va_pa_offset on kdump 2022-01-09 10:38:06 -08:00
kgdb.c riscv: Fix "no previous prototype" compile warning in kgdb.c file 2020-07-09 20:09:30 -07:00
machine_kexec.c riscv: use hart id instead of cpu id on machine_kexec 2022-01-09 10:40:00 -08:00
Makefile RISC-V: Move spinwait booting method to its own config 2022-01-20 09:27:16 -08:00
mcount-dyn.S riscv: Using PATCHABLE_FUNCTION_ENTRY instead of MCOUNT 2021-01-14 15:09:05 -08:00
mcount.S riscv: Workaround mcount name prior to clang-13 2021-04-26 08:25:01 -07:00
module-sections.c riscv: add missing header file includes 2019-10-28 00:46:01 -07:00
module.c riscv: module: Create module allocations without exec permissions 2021-04-26 08:25:15 -07:00
patch.c riscv: Fixup compile error BUILD_BUG_ON failed 2021-01-14 15:09:01 -08:00
perf_callchain.c perf: Drop dead and useless guest "support" from arm, csky, nds32 and riscv 2021-11-17 14:49:07 +01:00
perf_event.c riscv: perf_event: Make some funciton static 2020-05-11 13:48:19 -07:00
perf_regs.c perf/arch: Remove perf_sample_data::regs_user_copy 2020-11-09 18:12:34 +01:00
process.c riscv: Turn has_fpu into a static key if FPU=y 2021-05-25 22:56:57 -07:00
ptrace.c RISC-V: Remove redundant err variable 2022-01-20 10:24:12 -08:00
reset.c riscv: set default pm_power_off to NULL 2021-10-04 14:16:57 -07:00
riscv_ksyms.c riscv: provide memmove implementation 2020-12-10 17:27:54 -08:00
sbi.c RISC-V: Do not use cpumask data structure for hartid bitmap 2022-01-20 09:27:22 -08:00
setup.c RISC-V: Do not use cpumask data structure for hartid bitmap 2022-01-20 09:27:22 -08:00
signal.c riscv: Turn has_fpu into a static key if FPU=y 2021-05-25 22:56:57 -07:00
smp.c RISC-V: Use common riscv_cpuid_to_hartid_mask() for both SMP=y and SMP=n 2022-01-09 12:13:31 -08:00
smpboot.c RISC-V: Do not use cpumask data structure for hartid bitmap 2022-01-20 09:27:22 -08:00
soc.c riscv: Fix builtin DTB handling 2021-01-07 19:00:50 -08:00
stacktrace.c arch: Make ARCH_STACKWALK independent of STACKTRACE 2021-12-10 14:06:03 +00:00
sys_riscv.c RISC-V: Don't allow write+exec only page mapping request in mmap 2020-06-18 17:28:53 -07:00
syscall_table.c riscv/vdso: Refactor asm/vdso.h 2021-10-02 13:42:23 -07:00
time.c RISC-V Patches for the 5.13 Merge Window, Part 1 2021-05-06 09:24:18 -07:00
traps_misaligned.c riscv: Unaligned load/store handling for M_MODE 2020-04-03 10:45:33 -07:00
traps.c exit: Add and use make_task_dead. 2021-12-13 12:04:45 -06:00
vdso.c riscv/vdso: Add support for time namespaces 2021-10-04 14:16:43 -07:00
vmlinux-xip.lds.S riscv: vmlinux.lds.S|vmlinux-xip.lds.S: remove .fixup section 2022-01-05 17:53:37 -08:00
vmlinux.lds.S riscv: vmlinux.lds.S|vmlinux-xip.lds.S: remove .fixup section 2022-01-05 17:53:37 -08:00