Re: [PATCH v3 1/2] x86/cpu/hygon: Introduce macros for hygon family numbers
Guo Chaohong <[email protected]>
| Newsgroups | gmane.linux.kernel |
|---|---|
| Message-ID | <[email protected]> |
Hi， Ingo, Boris,
Can I include you as a reviewer?
thanks,
-Chaohong
On 8/7/2026 9:45 AM, Chaohong Guo wrote:
> Consolidate all magic numbers of hygon CPUs into a header file.
> The macros describe the family/model numbers of hygon CPUs.
>
> Co-developed-by: Zhiquan Li <[email protected]>
> Signed-off-by: Zhiquan Li <[email protected]>
> Signed-off-by: Chaohong Guo <[email protected]>
> ---
> arch/x86/include/asm/cpu_device_id.h | 2 ++
> arch/x86/include/asm/hygon-family.h | 17 +++++++++++++++++
> 2 files changed, 19 insertions(+)
> create mode 100644 arch/x86/include/asm/hygon-family.h
>
> diff --git a/arch/x86/include/asm/cpu_device_id.h b/arch/x86/include/asm/cpu_device_id.h
> index c62d8fae52c3..2fa8018afecd 100644
> --- a/arch/x86/include/asm/cpu_device_id.h
> +++ b/arch/x86/include/asm/cpu_device_id.h
> @@ -42,6 +42,8 @@
> #include <linux/device-id/x86_cpu.h>
> /* Get the INTEL_FAM* model defines */
> #include <asm/intel-family.h>
> +/* Hygon HFM model defines */
> +#include <asm/hygon-family.h>
> /* And the X86_VENDOR_* ones */
> #include <asm/processor.h>
>
> diff --git a/arch/x86/include/asm/hygon-family.h b/arch/x86/include/asm/hygon-family.h
> new file mode 100644
> index 000000000000..68e5af310980
> --- /dev/null
> +++ b/arch/x86/include/asm/hygon-family.h
> @@ -0,0 +1,17 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef _ASM_X86_HYGON_FAMILY_H
> +#define _ASM_X86_HYGON_FAMILY_H
> +
> +/*
> + * The helpers to support Hygon CPU specific code path.
> + */
> +
> +#include <asm/processor.h>
> +
> +#define HFM(_family, _model) VFM_MAKE(X86_VENDOR_HYGON, _family, _model)
> +
> +#define HYGON_F18_M04 HFM(0x18, 4)
> +#define HYGON_F18_M06 HFM(0x18, 6)
> +#define HYGON_F18_M07 HFM(0x18, 7)
> +
> +#endif /* _ASM_X86_HYGON_FAMILY_H */