On Tue, Jan 22, 2019 at 11:32:41AM +0800, Chao Fan wrote:
> But I notice the only function call entry is in kaslr.c which needs
> RANDOMIZE_BASE, so do I need change it as:
> vmlinux-objs-$(CONFIG_RANDOMIZE_BASE) += $(obj)/acpi.o
Well, the very first patch in this thread doesn't have anything to
On Mon, Jan 21, 2019 at 09:29:32AM +0100, Borislav Petkov wrote:
>On Mon, Jan 21, 2019 at 09:18:30AM +0800, Chao Fan wrote:
>> So I have changed as this method and put in my mail thread, you may not
>> notice, so I put here for my function if I need to fill the
>> boot_parameters:
>>
>> static
On Mon, Jan 21, 2019 at 04:43:52PM +0800, Chao Fan wrote:
> Since I didn't see where Xen to fill the value, if
> boot_params->acpi_rsdp_addr is filled before my code, I just need to
> read it. If when I try to read it but not found, then parse RSDP and
> fill the RSDP address to
On Mon, Jan 21, 2019 at 09:29:32AM +0100, Borislav Petkov wrote:
>On Mon, Jan 21, 2019 at 09:18:30AM +0800, Chao Fan wrote:
>> So I have changed as this method and put in my mail thread, you may not
>> notice, so I put here for my function if I need to fill the
>> boot_parameters:
>>
>> static
On Mon, Jan 21, 2019 at 09:18:30AM +0800, Chao Fan wrote:
> So I have changed as this method and put in my mail thread, you may not
> notice, so I put here for my function if I need to fill the
> boot_parameters:
>
> static inline acpi_physical_address get_boot_params_rsdp(void)
> {
>
On Fri, Jan 18, 2019 at 11:26:36AM +0100, Borislav Petkov wrote:
>On Thu, Jan 17, 2019 at 03:41:13PM +0800, Kairui Song wrote:
>> How about we refill the boot_params.acpi_rsdp_addr if it is not valid
>> in early code, so it could be used as a reliable RSDP address source?
>> That should make
On Thu, Jan 17, 2019 at 03:41:13PM +0800, Kairui Song wrote:
> How about we refill the boot_params.acpi_rsdp_addr if it is not valid
> in early code, so it could be used as a reliable RSDP address source?
> That should make things easier.
>
> But if early code should parse it and store it should
On Fri, Jan 18, 2019 at 5:47 AM Kairui Song wrote:
>
> On Thu, Jan 17, 2019 at 5:40 PM Rafael J. Wysocki wrote:
> >
> > On Thu, Jan 17, 2019 at 9:53 AM Dave Young wrote:
> > >
> > > Add linux-acpi list
> >
> > Well, thanks, but please resend the patches with a CC to linux-acpi.
> >
>
> Hi, sure
On Thu, Jan 17, 2019 at 5:40 PM Rafael J. Wysocki wrote:
>
> On Thu, Jan 17, 2019 at 9:53 AM Dave Young wrote:
> >
> > Add linux-acpi list
>
> Well, thanks, but please resend the patches with a CC to linux-acpi.
>
Hi, sure will do.
Any thought on adding an acpi_os_get_root_pointer_late and
On Thu, Jan 17, 2019 at 9:53 AM Dave Young wrote:
>
> Add linux-acpi list
Well, thanks, but please resend the patches with a CC to linux-acpi.
> On 01/17/19 at 03:41pm, Kairui Song wrote:
> > On Wed, Jan 16, 2019 at 5:46 PM Borislav Petkov wrote:
> > >
> > > On Wed, Jan 16, 2019 at 03:08:42PM
+ linux-acpi list
On 01/17/19 at 03:49pm, Chao Fan wrote:
> On Thu, Jan 17, 2019 at 03:41:13PM +0800, Kairui Song wrote:
> >On Wed, Jan 16, 2019 at 5:46 PM Borislav Petkov wrote:
> >>
> >> On Wed, Jan 16, 2019 at 03:08:42PM +0800, Kairui Song wrote:
> >> > I didn't see a way to reuse things in
Add linux-acpi list
On 01/17/19 at 03:41pm, Kairui Song wrote:
> On Wed, Jan 16, 2019 at 5:46 PM Borislav Petkov wrote:
> >
> > On Wed, Jan 16, 2019 at 03:08:42PM +0800, Kairui Song wrote:
> > > I didn't see a way to reuse things in that patch series, situation is
> > > different, in that patch
On Thu, Jan 17, 2019 at 3:51 PM Chao Fan wrote:
>
> On Thu, Jan 17, 2019 at 03:41:13PM +0800, Kairui Song wrote:
> >On Wed, Jan 16, 2019 at 5:46 PM Borislav Petkov wrote:
> >>
> >> On Wed, Jan 16, 2019 at 03:08:42PM +0800, Kairui Song wrote:
> >> > I didn't see a way to reuse things in that
On Thu, Jan 17, 2019 at 03:41:13PM +0800, Kairui Song wrote:
>On Wed, Jan 16, 2019 at 5:46 PM Borislav Petkov wrote:
>>
>> On Wed, Jan 16, 2019 at 03:08:42PM +0800, Kairui Song wrote:
>> > I didn't see a way to reuse things in that patch series, situation is
>> > different, in that patch it needs
On Wed, Jan 16, 2019 at 5:46 PM Borislav Petkov wrote:
>
> On Wed, Jan 16, 2019 at 03:08:42PM +0800, Kairui Song wrote:
> > I didn't see a way to reuse things in that patch series, situation is
> > different, in that patch it needs to get RSDP in very early boot stage
> > so it did everything
On 1/16/2019 7:51 AM, Dave Young wrote:
On 01/16/19 at 01:09pm, Kairui Song wrote:
On Wed, Jan 16, 2019 at 11:32 AM Dave Young wrote:
On 01/16/19 at 12:10am, Borislav Petkov wrote:
On Tue, Jan 15, 2019 at 05:58:34PM +0800, Kairui Song wrote:
When efi=noruntime or efi=oldmap is used, EFI
On Wed, Jan 16, 2019 at 03:08:42PM +0800, Kairui Song wrote:
> I didn't see a way to reuse things in that patch series, situation is
> different, in that patch it needs to get RSDP in very early boot stage
> so it did everything from scratch, in this patch kexec_file_load need
> to get RSDP too,
On Wed, Jan 16, 2019 at 7:10 AM Borislav Petkov wrote:
> > +#ifdef CONFIG_ACPI
> > + /* Setup ACPI RSDP pointer in case EFI is not available in second
> > kernel */
> > + if (!acpi_disabled && (!efi_enabled(EFI_RUNTIME_SERVICES) ||
> > efi_enabled(EFI_OLD_MEMMAP))) {
> > +
On 01/16/19 at 01:09pm, Kairui Song wrote:
> On Wed, Jan 16, 2019 at 11:32 AM Dave Young wrote:
> >
> > On 01/16/19 at 12:10am, Borislav Petkov wrote:
> > > On Tue, Jan 15, 2019 at 05:58:34PM +0800, Kairui Song wrote:
> > > > When efi=noruntime or efi=oldmap is used, EFI services won't be
> > >
On Wed, Jan 16, 2019 at 11:32 AM Dave Young wrote:
>
> On 01/16/19 at 12:10am, Borislav Petkov wrote:
> > On Tue, Jan 15, 2019 at 05:58:34PM +0800, Kairui Song wrote:
> > > When efi=noruntime or efi=oldmap is used, EFI services won't be available
> > > in the second kernel, therefore the second
On 01/16/19 at 12:10am, Borislav Petkov wrote:
> On Tue, Jan 15, 2019 at 05:58:34PM +0800, Kairui Song wrote:
> > When efi=noruntime or efi=oldmap is used, EFI services won't be available
> > in the second kernel, therefore the second kernel will not be able to get
> > the ACPI RSDP address from
On Tue, Jan 15, 2019 at 05:58:34PM +0800, Kairui Song wrote:
> When efi=noruntime or efi=oldmap is used, EFI services won't be available
> in the second kernel, therefore the second kernel will not be able to get
> the ACPI RSDP address from firmware by calling EFI services and won't
> boot.
When efi=noruntime or efi=oldmap is used, EFI services won't be available
in the second kernel, therefore the second kernel will not be able to get
the ACPI RSDP address from firmware by calling EFI services and won't
boot. Previously we are expecting the user to set the acpi_rsdp=
on kernel
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