Messages in this thread | | | Date | Thu, 02 Sep 2004 08:53:19 +0200 | From | "Jan Beulich" <> | Subject | Re: question on i386 very early memory detection cleanup patch |
| |
If you refer to the 4G/4G split patch - this isn't part of mainline, and if it needs it would seem it should do this adjustment, not an unrelated patch. Jan
>>> "H. Peter Anvin" <hpa@zytor.com> 01.09.04 18:20:01 >>> Jan Beulich wrote: > Is there a particular reason why this patch changes the alignment of > cpu_gdt_table to be page rather than cache line aligned? This is > particulary strange to me because the alignment is guaranteed only for > the boot processor, but not for any of the APs; for the latter ones > there isn't even a string guarantee that the table would be cache line > aligned (which it really should be); the weak guarantee only is through > an appearant assumption of GDT_ENTRIES being a sufficiently large power > of two. > > Thanks, Jan
The 4+4 GB patch apparently needs it.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |