Hi, On Thu, Jan 04, 2024 at 11:31:21PM +0100, наб wrote: > "Early 486" comes from an uncited wikipedia table, added in > https://en.wikipedia.org/w/index.php?title=CPUID&diff=prev&oldid=592047209 > https://en.wikipedia.org/w/index.php?title=CPUID&diff=prev&oldid=592047978 > but I spot-checked the rest of the table accurate to CPUs in my house > (the oldest of which is an original Celeron, so no 486), > and "early 486" is better than "early x86" which can mean anything. > > This does leave earlier x86 unmentioned, > but Linux hasn't targeted those in over a decade, > so they're out of scope anyway. > > Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@xxxxxxxxxxxxxxxxxx> Patch applied. Thanks! Have a lovely day, Alex > --- > man4/cpuid.4 | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/man4/cpuid.4 b/man4/cpuid.4 > index bd883e6d3..0b38fabe3 100644 > --- a/man4/cpuid.4 > +++ b/man4/cpuid.4 > @@ -69,7 +69,9 @@ .SH NOTES > There is no support for CPUID functions that require additional > input registers. > .P > -Very old x86 CPUs don't support CPUID. > +Early i486 CPUs do not support the CPUID instruction; > +.\" arch/x86/kernel/cpuid.c cpuid_open() > +opening this device for those CPUs fails with EIO. > .SH SEE ALSO > .BR cpuid (1) > .P > -- > 2.39.2 -- <https://www.alejandro-colomar.es/> Looking for a remote C programming job at the moment.
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