diff options
Diffstat (limited to 'arch/riscv/kernel/cpufeature.c')
| -rw-r--r-- | arch/riscv/kernel/cpufeature.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c index 46942e635266..5493f3228704 100644 --- a/arch/riscv/kernel/cpufeature.c +++ b/arch/riscv/kernel/cpufeature.c @@ -60,6 +60,13 @@ void riscv_fill_hwcap(void) for (i = 0; i < strlen(isa); ++i) elf_hwcap |= isa2hwcap[(unsigned char)(isa[i])]; + /* We don't support systems with F but without D, so mask those out + * here. */ + if ((elf_hwcap & COMPAT_HWCAP_ISA_F) && !(elf_hwcap & COMPAT_HWCAP_ISA_D)) { + pr_info("This kernel does not support systems with F but not D"); + elf_hwcap &= ~COMPAT_HWCAP_ISA_F; + } + pr_info("elf_hwcap is 0x%lx", elf_hwcap); #ifdef CONFIG_FPU |