On Mon, 2023-08-07 at 08:49 -0500, Haitao Huang wrote: > On Mon, 07 Aug 2023 08:33:09 -0500, Haitao Huang > <haitao.huang@xxxxxxxxxxxxxxx> wrote: > > > Hi Dave > > On Fri, 04 Aug 2023 16:06:50 -0500, Dave Hansen <dave.hansen@xxxxxxxxx> > > wrote: > > > > > What choices do our end users have about how much EPC RAM to dedicate to > > > SGX on SPR systems? I assume there's some ability to tweak to tweak it > > > in the BIOS. > > > > On one platform I know, BIOS provides choices from 256M to 256G, > > doubling at each increment. This should depend on OEM/BIOS and available > > total RAM configured. > > > Also the sizes configured above is per socket. So for this particular > system with 2 sockets, total EPC can be configured up to 1024G > Yeah other than configuring the EPC size in the BIOS, I don't think there's any other way we can adjust the EPC size.
