Alan Cox <[email protected]> writes: >> Therefore, they are NOT going to fix their BIOS-- and I have already >> received an e-mail from one or two people who are experiencing this >> problem, I presume it will only get worse. > > In which case we need to clip the memory used according to the MTRR > registers and tell the user xxMB of memory not available due to BIOS bugs Exactly, and given that this is a fairly easy thing to do, and that occasionally we see systems where this happens (even if their BIOS is later fixed). It is likely worth it for someone to write up the patch and that compare MTRRs with available memory, and to complain and reserve all memory that MTRRs claim is not write-back. Eric - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- Follow-Ups:
- References:
- Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- From: Justin Piszcz <[email protected]>
- Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- From: Jesse Barnes <[email protected]>
- Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- From: Andi Kleen <[email protected]>
- Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- From: Jesse Barnes <[email protected]>
- Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- From: [email protected] (Eric W. Biederman)
- Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- From: Justin Piszcz <[email protected]>
- Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- From: Alan Cox <[email protected]>
- Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- Prev by Date: Re: [PATCH -mm 0/5] LZO and swap write failure patches for -mm
- Next by Date: Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation, pathname matching
- Previous by thread: Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- Next by thread: Re: Intel's response Linux/MTRR/8GB Memory Support / Why doesn't the kernel realize the BIOS has problems and re-map appropriately?
- Index(es):
 |