On Wed, 12 Feb 2020 16:13:28 +0800
Tao Xu <tao3...@intel.com> wrote:

> Add which features are added or removed in this version. Remove the
> changed model-id in versioned CPU models, to keep the model name
> unchanged at /proc/cpuinfo inside the VM.
> 
> Signed-off-by: Tao Xu <tao3...@intel.com>
> ---
> 
> Changes in v2:
>     - correct the note of Cascadelake v3 (Xiaoyao)
> ---
>  target/i386/cpu.c | 54 ++++++++++++++++++++++-------------------------
>  1 file changed, 25 insertions(+), 29 deletions(-)
> 
> diff --git a/target/i386/cpu.c b/target/i386/cpu.c
> index 81a039beb6..739ef4ce91 100644
> --- a/target/i386/cpu.c
> +++ b/target/i386/cpu.c
> @@ -2278,10 +2278,9 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              {
>                  .version = 2,
>                  .alias = "Nehalem-IBRS",
> +                .note = "IBRS",
>                  .props = (PropValue[]) {
>                      { "spec-ctrl", "on" },
> -                    { "model-id",
> -                      "Intel Core i7 9xx (Nehalem Core i7, IBRS update)" },
>                      { /* end of list */ }
>                  }
>              },
> @@ -2359,10 +2358,9 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              {
>                  .version = 2,
>                  .alias = "Westmere-IBRS",
> +                .note = "IBRS",
>                  .props = (PropValue[]) {
>                      { "spec-ctrl", "on" },
> -                    { "model-id",
> -                      "Westmere E56xx/L56xx/X56xx (IBRS update)" },
>                      { /* end of list */ }
>                  }
>              },
> @@ -2445,10 +2443,9 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              {
>                  .version = 2,
>                  .alias = "SandyBridge-IBRS",
> +                .note = "IBRS",
>                  .props = (PropValue[]) {
>                      { "spec-ctrl", "on" },
> -                    { "model-id",
> -                      "Intel Xeon E312xx (Sandy Bridge, IBRS update)" },
>                      { /* end of list */ }
>                  }
>              },
> @@ -2537,10 +2534,9 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              {
>                  .version = 2,
>                  .alias = "IvyBridge-IBRS",
> +                .note = "IBRS",
>                  .props = (PropValue[]) {
>                      { "spec-ctrl", "on" },
> -                    { "model-id",
> -                      "Intel Xeon E3-12xx v2 (Ivy Bridge, IBRS)" },
>                      { /* end of list */ }
>                  }
>              },
> @@ -2634,17 +2630,18 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              {
>                  .version = 2,
>                  .alias = "Haswell-noTSX",
> +                .note = "no TSX",
>                  .props = (PropValue[]) {
>                      { "hle", "off" },
>                      { "rtm", "off" },
>                      { "stepping", "1" },
> -                    { "model-id", "Intel Core Processor (Haswell, no TSX)", 
> },
>                      { /* end of list */ }
>                  },
>              },
>              {
>                  .version = 3,
>                  .alias = "Haswell-IBRS",
> +                .note = "IBRS",
>                  .props = (PropValue[]) {
>                      /* Restore TSX features removed by -v2 above */
>                      { "hle", "on" },
> @@ -2655,21 +2652,18 @@ static X86CPUDefinition builtin_x86_defs[] = {
>                       */
>                      { "stepping", "4" },
>                      { "spec-ctrl", "on" },
> -                    { "model-id",
> -                      "Intel Core Processor (Haswell, IBRS)" },
>                      { /* end of list */ }
>                  }
>              },
>              {
>                  .version = 4,
>                  .alias = "Haswell-noTSX-IBRS",
> +                .note = "no TSX, IBRS",
>                  .props = (PropValue[]) {
>                      { "hle", "off" },
>                      { "rtm", "off" },
>                      /* spec-ctrl was already enabled by -v3 above */
>                      { "stepping", "1" },
> -                    { "model-id",
> -                      "Intel Core Processor (Haswell, no TSX, IBRS)" },
>                      { /* end of list */ }
>                  }
>              },
> @@ -2765,35 +2759,33 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              {
>                  .version = 2,
>                  .alias = "Broadwell-noTSX",
> +                .note = "no TSX",
>                  .props = (PropValue[]) {
>                      { "hle", "off" },
>                      { "rtm", "off" },
> -                    { "model-id", "Intel Core Processor (Broadwell, no 
> TSX)", },
>                      { /* end of list */ }
>                  },
>              },
>              {
>                  .version = 3,
>                  .alias = "Broadwell-IBRS",
> +                .note = "IBRS",
>                  .props = (PropValue[]) {
>                      /* Restore TSX features removed by -v2 above */
>                      { "hle", "on" },
>                      { "rtm", "on" },
>                      { "spec-ctrl", "on" },
> -                    { "model-id",
> -                      "Intel Core Processor (Broadwell, IBRS)" },
>                      { /* end of list */ }
>                  }
>              },
>              {
>                  .version = 4,
>                  .alias = "Broadwell-noTSX-IBRS",
> +                .note = "no TSX, IBRS",
>                  .props = (PropValue[]) {
>                      { "hle", "off" },
>                      { "rtm", "off" },
>                      /* spec-ctrl was already enabled by -v3 above */
> -                    { "model-id",
> -                      "Intel Core Processor (Broadwell, no TSX, IBRS)" },
>                      { /* end of list */ }
>                  }
>              },
> @@ -2893,22 +2885,20 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              { .version = 1 },
>              {
>                  .version = 2,
> +                .note = "IBRS",
>                  .alias = "Skylake-Client-IBRS",
>                  .props = (PropValue[]) {
>                      { "spec-ctrl", "on" },
> -                    { "model-id",
> -                      "Intel Core Processor (Skylake, IBRS)" },
>                      { /* end of list */ }
>                  }
>              },
>              {
>                  .version = 3,
>                  .alias = "Skylake-Client-noTSX-IBRS",
> +                .note = "no TSX, IBRS",
>                  .props = (PropValue[]) {
>                      { "hle", "off" },
>                      { "rtm", "off" },
> -                    { "model-id",
> -                      "Intel Core Processor (Skylake, IBRS, no TSX)" },
>                      { /* end of list */ }
>                  }
>              },
> @@ -3016,24 +3006,22 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              {
>                  .version = 2,
>                  .alias = "Skylake-Server-IBRS",
> +                .note = "IBRS",
>                  .props = (PropValue[]) {
>                      /* clflushopt was not added to Skylake-Server-IBRS */
>                      /* TODO: add -v3 including clflushopt */
>                      { "clflushopt", "off" },
>                      { "spec-ctrl", "on" },
> -                    { "model-id",
> -                      "Intel Xeon Processor (Skylake, IBRS)" },
>                      { /* end of list */ }
>                  }
>              },
>              {
>                  .version = 3,
>                  .alias = "Skylake-Server-noTSX-IBRS",
> +                .note = "no TSX, IBRS",
>                  .props = (PropValue[]) {
>                      { "hle", "off" },
>                      { "rtm", "off" },
> -                    { "model-id",
> -                      "Intel Xeon Processor (Skylake, IBRS, no TSX)" },
>                      { /* end of list */ }
>                  }
>              },
> @@ -3142,6 +3130,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
>          .versions = (X86CPUVersionDefinition[]) {
>              { .version = 1 },
>              { .version = 2,
> +              .note = "ARCH_CAPABILITIES",

what's ARCH_CAPABILITIES?

>                .props = (PropValue[]) {
>                    { "arch-capabilities", "on" },
>                    { "rdctl-no", "on" },
> @@ -3153,6 +3142,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              },
>              { .version = 3,
>                .alias = "Cascadelake-Server-noTSX",
> +              .note = "ARCH_CAPABILITIES, no TSX",
>                .props = (PropValue[]) {
>                    { "hle", "off" },
>                    { "rtm", "off" },
> @@ -3374,6 +3364,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              { .version = 1 },
>              {
>                  .version = 2,
> +                .note = "no TSX",
>                  .alias = "Icelake-Client-noTSX",
>                  .props = (PropValue[]) {
>                      { "hle", "off" },
> @@ -3491,6 +3482,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              { .version = 1 },
>              {
>                  .version = 2,
> +                .note = "no TSX",
>                  .alias = "Icelake-Server-noTSX",
>                  .props = (PropValue[]) {
>                      { "hle", "off" },
> @@ -3598,6 +3590,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              { .version = 1 },
>              {
>                  .version = 2,
> +                .note = "no MPX, no MONITOR",
>                  .props = (PropValue[]) {
>                      { "monitor", "off" },
>                      { "mpx", "off" },
> @@ -3727,14 +3720,15 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              { .version = 1 },
>              {
>                  .version = 2,
> +                .note = "no MPX",
>                  .props = (PropValue[]) {
>                      { "mpx", "off" },
> -                    { "model-id", "Intel Atom Processor (Snowridge, no MPX)" 
> },
>                      { /* end of list */ },
>                  },
>              },
>              {
>                  .version = 3,
> +                .note = "no MPX, no MONITOR",
>                  .props = (PropValue[]) {
>                      /* mpx was already removed by -v2 above */
>                      { "monitor", "off" },
> @@ -3856,6 +3850,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              { .version = 1 },
>              {
>                  .version = 2,
> +                .note = "no MONITOR",
>                  .props = (PropValue[]) {
>                      { "monitor", "off" },
>                      { /* end of list */ },
> @@ -3980,15 +3975,15 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              {
>                  .version = 2,
>                  .alias = "EPYC-IBPB",
> +                .note = "IBPB",
>                  .props = (PropValue[]) {
>                      { "ibpb", "on" },
> -                    { "model-id",
> -                      "AMD EPYC Processor (with IBPB)" },
>                      { /* end of list */ }
>                  }
>              },
>              {
>                  .version = 3,
> +                .note = "IBPB, no MONITOR",
>                  .props = (PropValue[]) {
>                      /* ibpb was already enabled by -v2 above */
>                      { "monitor", "off" },
> @@ -4051,6 +4046,7 @@ static X86CPUDefinition builtin_x86_defs[] = {
>              { .version = 1 },
>              {
>                  .version = 2,
> +                .note = "no MONITOR",
>                  .props = (PropValue[]) {
>                      { "monitor", "off" },
>                      { /* end of list */ },


Reply via email to