Re: [PATCH] rtc: Disable EFI rtc for x86

2014-11-11 Thread One Thousand Gnomes
look further into the options I have set in my kernel build, I may have changed something else without remembering between booting with and without the CSM enabled. It could also be that the non-CSM BIOS somehow remaps the CMOS registers. I don't believe there is anything which

Re: [PATCH] rtc: Disable EFI rtc for x86

2014-11-11 Thread Borislav Petkov
On Tue, Nov 11, 2014 at 11:38:31AM +, One Thousand Gnomes wrote: I don't believe there is anything which prevents the CSM from faking a CMOS clock using SMM from whatever is actually in the hardware. HPET in SMM? Oh, sure, definitely. -- Regards/Gruss, Boris. Sent from a fat crate

Re: [PATCH] rtc: Disable EFI rtc for x86

2014-11-11 Thread Pali Rohár
On Tuesday 11 November 2014 12:38:31 One Thousand Gnomes wrote: look further into the options I have set in my kernel build, I may have changed something else without remembering between booting with and without the CSM enabled. It could also be that the non-CSM BIOS somehow

Re: [PATCH v2 09/10] arm64/efi: ignore unusable regions instead of reserving them

2014-11-11 Thread Mark Salter
On Tue, 2014-11-11 at 10:42 -0500, Mark Salter wrote: On Mon, 2014-11-10 at 08:31 +0100, Ard Biesheuvel wrote: On 10 November 2014 05:11, Mark Salter msal...@redhat.com wrote: On Thu, 2014-11-06 at 15:13 +0100, Ard Biesheuvel wrote: This changes the way memblocks are installed based on

Re: [PATCH v2 09/10] arm64/efi: ignore unusable regions instead of reserving them

2014-11-11 Thread Mark Rutland
On Tue, Nov 11, 2014 at 05:12:09PM +, Mark Salter wrote: On Tue, 2014-11-11 at 10:42 -0500, Mark Salter wrote: On Mon, 2014-11-10 at 08:31 +0100, Ard Biesheuvel wrote: On 10 November 2014 05:11, Mark Salter msal...@redhat.com wrote: On Thu, 2014-11-06 at 15:13 +0100, Ard Biesheuvel

Re: [PATCH v2 09/10] arm64/efi: ignore unusable regions instead of reserving them

2014-11-11 Thread Ard Biesheuvel
On 11 November 2014 18:44, Mark Rutland mark.rutl...@arm.com wrote: On Tue, Nov 11, 2014 at 05:12:09PM +, Mark Salter wrote: On Tue, 2014-11-11 at 10:42 -0500, Mark Salter wrote: On Mon, 2014-11-10 at 08:31 +0100, Ard Biesheuvel wrote: On 10 November 2014 05:11, Mark Salter

Re: [PATCH v2 09/10] arm64/efi: ignore unusable regions instead of reserving them

2014-11-11 Thread Mark Rutland
On Tue, Nov 11, 2014 at 05:55:24PM +, Ard Biesheuvel wrote: On 11 November 2014 18:44, Mark Rutland mark.rutl...@arm.com wrote: On Tue, Nov 11, 2014 at 05:12:09PM +, Mark Salter wrote: On Tue, 2014-11-11 at 10:42 -0500, Mark Salter wrote: On Mon, 2014-11-10 at 08:31 +0100, Ard