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Date: Sun, 12 Jan 2014 10:06:27 +0100 From: Borislav Petkov <bp@...e.de> To: "Rafael J. Wysocki" <rjw@...ysocki.net> Cc: Matt Fleming <matt@...sole-pimps.org>, "H. Peter Anvin" <hpa@...or.com>, joeyli <jlee@...e.com>, Alessandro Zummo <a.zummo@...ertech.it>, Matthew Garrett <matthew.garrett@...ula.com>, Elliott@...com, samer.el-haj-mahmoud@...com, Oliver Neukum <oneukum@...e.de>, werner@...e.com, trenn@...e.de, JBeulich@...e.com, linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com, x86@...nel.org, "linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>, linux-acpi@...r.kernel.org, Toshi Kani <toshi.kani@...com> Subject: Re: [RFT][PATCH] ACPI / init: Run acpi_early_init() before efi_enter_virtual_mode() (was: Re: [RFC PATCH 00/14] Support timezone of ACPI TAD and EFI TIME) On Sun, Jan 12, 2014 at 01:30:23AM +0100, Rafael J. Wysocki wrote: > I don't see any adverse effects of the patch below on a couple of my test > boxes, but (a) they are Intel-based and (b) they are non-EFI, so it would be > good to give it a go on as many machines as reasonably possible. > > Thanks, > Rafael > > --- > From: Rafael J. Wysocki <rafael.j.wysocki@...el.com> > Subject: ACPI / init: Run acpi_early_init() before efi_enter_virtual_mode() > > According to Matt Fleming, if acpi_early_init() was executed befpre > efi_enter_virtual_mode(), the EFI initialization could benefit from > it, so make that happen. > > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com> > --- > init/main.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: linux-pm/init/main.c > =================================================================== > --- linux-pm.orig/init/main.c > +++ linux-pm/init/main.c > @@ -615,6 +615,7 @@ asmlinkage void __init start_kernel(void > calibrate_delay(); > pidmap_init(); > anon_vma_init(); > + acpi_early_init(); > #ifdef CONFIG_X86 > if (efi_enabled(EFI_RUNTIME_SERVICES)) > efi_enter_virtual_mode(); > @@ -641,7 +642,6 @@ asmlinkage void __init start_kernel(void > > check_bugs(); > > - acpi_early_init(); /* before LAPIC and SMP init */ > sfi_init_late(); > > if (efi_enabled(EFI_RUNTIME_SERVICES)) { > Looks good both on kvm+OVMF and on my Dell EFI box. Tested-by: Borislav Petkov <bp@...e.de> Toshi has a big EFI box though - if he could run it too, that would be great :-) Thanks. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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