Re: [PATCH v6 04/12] efi: Common enable/disable infrastructure for EFI soft reservation

2019-10-10 Thread Ard Biesheuvel
On Thu, 10 Oct 2019 at 01:19, Dan Williams wrote: > > UEFI 2.8 defines an EFI_MEMORY_SP attribute bit to augment the > interpretation of the EFI Memory Types as "reserved for a specific > purpose". > > The proposed Linux behavior for specific purpose memory is that it is > reserved for

Re: [PATCH v6 05/12] x86/efi: EFI soft reservation to E820 enumeration

2019-10-10 Thread Ard Biesheuvel
On Thu, 10 Oct 2019 at 01:19, Dan Williams wrote: > > UEFI 2.8 defines an EFI_MEMORY_SP attribute bit to augment the > interpretation of the EFI Memory Types as "reserved for a specific > purpose". > > The proposed Linux behavior for specific purpose memory is that it is > reserved for

Re: [PATCH v6 07/12] x86/efi: Add efi_fake_mem support for EFI_MEMORY_SP

2019-10-10 Thread Ard Biesheuvel
On Thu, 10 Oct 2019 at 01:19, Dan Williams wrote: > > Given that EFI_MEMORY_SP is platform BIOS policy decision for marking > memory ranges as "reserved for a specific purpose" there will inevitably > be scenarios where the BIOS omits the attribute in situations where it > is desired. Unlike

Re: [PATCH v3 1/3] x86/boot: Introduce the kernel_info

2019-10-10 Thread Daniel Kiper
On Wed, Oct 09, 2019 at 05:43:31PM -0700, Randy Dunlap wrote: > Hi, > > Questions and comments below... > Thanks. > > On 10/9/19 3:53 AM, Daniel Kiper wrote: > > > Suggested-by: H. Peter Anvin > > Signed-off-by: Daniel Kiper > > Reviewed-by: Konrad Rzeszutek Wilk > > Reviewed-by: Ross Philipson

Re: [PATCH v6 06/12] arm/efi: EFI soft reservation to memblock

2019-10-10 Thread Ard Biesheuvel
On Thu, 10 Oct 2019 at 01:19, Dan Williams wrote: > > UEFI 2.8 defines an EFI_MEMORY_SP attribute bit to augment the > interpretation of the EFI Memory Types as "reserved for a specific > purpose". > > The proposed Linux behavior for specific purpose memory is that it is > reserved for

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Re: [PATCH v3 1/3] x86/boot: Introduce the kernel_info

2019-10-10 Thread Randy Dunlap
On 10/10/19 2:43 AM, Daniel Kiper wrote: > On Wed, Oct 09, 2019 at 05:43:31PM -0700, Randy Dunlap wrote: >> Hi, >> >> Questions and comments below... >> Thanks. >> >> On 10/9/19 3:53 AM, Daniel Kiper wrote: >> >>> Suggested-by: H. Peter Anvin >>> Signed-off-by: Daniel Kiper >>> Reviewed-by:

Re: [PATCH] Ask user input only when CONFIG_X86 or CONFIG_COMPILE_TEST is set to y

2019-10-10 Thread Geert Uytterhoeven
Hi Narendra, On Thu, Oct 10, 2019 at 7:47 PM wrote: > On Wed, Oct 09, 2019 at 04:11:04PM +0200, Ard Biesheuvel wrote: > > On Wed, 2 Oct 2019 at 21:44, wrote: > > > > > > From: Narendra K > > > > > > For the EFI_RCI2_TABLE kconfig option, 'make oldconfig' asks the user > > > for input as it is

Re: [PATCH v6 05/12] x86/efi: EFI soft reservation to E820 enumeration

2019-10-10 Thread Dan Williams
On Wed, Oct 9, 2019 at 11:45 PM Ard Biesheuvel wrote: > > On Thu, 10 Oct 2019 at 01:19, Dan Williams wrote: > > > > UEFI 2.8 defines an EFI_MEMORY_SP attribute bit to augment the > > interpretation of the EFI Memory Types as "reserved for a specific > > purpose". > > > > The proposed Linux

Re: [PATCH] Ask user input only when CONFIG_X86 or CONFIG_COMPILE_TEST is set to y

2019-10-10 Thread Narendra.K
Hi Ard, Thank you for the review comments. On Wed, Oct 09, 2019 at 04:11:04PM +0200, Ard Biesheuvel wrote: > On Wed, 2 Oct 2019 at 21:44, wrote: > > > > From: Narendra K > > > > For the EFI_RCI2_TABLE kconfig option, 'make oldconfig' asks the user > > for input as it is a new kconfig option

Re: [PATCH v6 05/12] x86/efi: EFI soft reservation to E820 enumeration

2019-10-10 Thread Ard Biesheuvel
On Thu, 10 Oct 2019 at 20:31, Dan Williams wrote: > > On Wed, Oct 9, 2019 at 11:45 PM Ard Biesheuvel > wrote: > > > > On Thu, 10 Oct 2019 at 01:19, Dan Williams wrote: > > > > > > UEFI 2.8 defines an EFI_MEMORY_SP attribute bit to augment the > > > interpretation of the EFI Memory Types as

Re: [PATCH v6 05/12] x86/efi: EFI soft reservation to E820 enumeration

2019-10-10 Thread Ard Biesheuvel
On Fri, 11 Oct 2019 at 04:39, Dan Williams wrote: > > On Thu, Oct 10, 2019 at 11:41 AM Ard Biesheuvel > wrote: > > > > On Thu, 10 Oct 2019 at 20:31, Dan Williams wrote: > > > > > > On Wed, Oct 9, 2019 at 11:45 PM Ard Biesheuvel > > > wrote: > > > > > > > > On Thu, 10 Oct 2019 at 01:19, Dan

Re: [PATCH v6 05/12] x86/efi: EFI soft reservation to E820 enumeration

2019-10-10 Thread Dan Williams
On Thu, Oct 10, 2019 at 11:41 AM Ard Biesheuvel wrote: > > On Thu, 10 Oct 2019 at 20:31, Dan Williams wrote: > > > > On Wed, Oct 9, 2019 at 11:45 PM Ard Biesheuvel > > wrote: > > > > > > On Thu, 10 Oct 2019 at 01:19, Dan Williams > > > wrote: > > > > > > > > UEFI 2.8 defines an EFI_MEMORY_SP