| Message ID | 161472000062.17527.13517059335871466534.stgit@bmoger-ubuntu (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | i386: Add missing cpu feature bits in EPYC-Rome model | expand |
On Tuesday, 2021-03-02 at 15:20:00 -06, Babu Moger wrote: > Found the following cpu feature bits missing from EPYC-Rome model. > ibrs : Indirect Branch Restricted Speculation > ssbd : Speculative Store Bypass Disable > > These new features will be added in EPYC-Rome-v2. The -cpu help output > after the change. > > x86 EPYC-Rome (alias configured by machine type) > x86 EPYC-Rome-v1 AMD EPYC-Rome Processor > x86 EPYC-Rome-v2 AMD EPYC-Rome Processor > > Reported-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com> > Signed-off-by: Babu Moger <babu.moger@amd.com> > Signed-off-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com> > --- > target/i386/cpu.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/target/i386/cpu.c b/target/i386/cpu.c > index 6a53446e6a..9b5a31783d 100644 > --- a/target/i386/cpu.c > +++ b/target/i386/cpu.c > @@ -4179,6 +4179,20 @@ static X86CPUDefinition builtin_x86_defs[] = { > .xlevel = 0x8000001E, > .model_id = "AMD EPYC-Rome Processor", > .cache_info = &epyc_rome_cache_info, > + .versions = (X86CPUVersionDefinition[]) { > + { .version = 1 }, > + { > + .version = 2, > + .props = (PropValue[]) { > + { "ibrs", "on" }, > + { "amd-ssbd", "on" }, > + { "model-id", > + "AMD EPYC-Rome Processor" }, If the model-id isn't changing, is there any need to specify it? > + { /* end of list */ } > + } > + }, > + { /* end of list */ } > + } > }, > { > .name = "EPYC-Milan", dme.
On 3/3/21 3:42 AM, David Edmondson wrote: > On Tuesday, 2021-03-02 at 15:20:00 -06, Babu Moger wrote: > >> Found the following cpu feature bits missing from EPYC-Rome model. >> ibrs : Indirect Branch Restricted Speculation >> ssbd : Speculative Store Bypass Disable >> >> These new features will be added in EPYC-Rome-v2. The -cpu help output >> after the change. >> >> x86 EPYC-Rome (alias configured by machine type) >> x86 EPYC-Rome-v1 AMD EPYC-Rome Processor >> x86 EPYC-Rome-v2 AMD EPYC-Rome Processor >> >> Reported-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com> >> Signed-off-by: Babu Moger <babu.moger@amd.com> >> Signed-off-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com> >> --- >> target/i386/cpu.c | 14 ++++++++++++++ >> 1 file changed, 14 insertions(+) >> >> diff --git a/target/i386/cpu.c b/target/i386/cpu.c >> index 6a53446e6a..9b5a31783d 100644 >> --- a/target/i386/cpu.c >> +++ b/target/i386/cpu.c >> @@ -4179,6 +4179,20 @@ static X86CPUDefinition builtin_x86_defs[] = { >> .xlevel = 0x8000001E, >> .model_id = "AMD EPYC-Rome Processor", >> .cache_info = &epyc_rome_cache_info, >> + .versions = (X86CPUVersionDefinition[]) { >> + { .version = 1 }, >> + { >> + .version = 2, >> + .props = (PropValue[]) { >> + { "ibrs", "on" }, >> + { "amd-ssbd", "on" }, >> + { "model-id", >> + "AMD EPYC-Rome Processor" }, > > If the model-id isn't changing, is there any need to specify it? ok. Sending v2 removing model-id. Thanks > >> + { /* end of list */ } >> + } >> + }, >> + { /* end of list */ } >> + } >> }, >> { >> .name = "EPYC-Milan", > > dme. >
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 6a53446e6a..9b5a31783d 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4179,6 +4179,20 @@ static X86CPUDefinition builtin_x86_defs[] = { .xlevel = 0x8000001E, .model_id = "AMD EPYC-Rome Processor", .cache_info = &epyc_rome_cache_info, + .versions = (X86CPUVersionDefinition[]) { + { .version = 1 }, + { + .version = 2, + .props = (PropValue[]) { + { "ibrs", "on" }, + { "amd-ssbd", "on" }, + { "model-id", + "AMD EPYC-Rome Processor" }, + { /* end of list */ } + } + }, + { /* end of list */ } + } }, { .name = "EPYC-Milan",