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Groups > linux.kernel > #1485169
| From | Mike Galbraith <umgwanakikbuti@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic |
| Date | 2016-09-16 18:40 +0200 |
| Message-ID | <si4lc-7e8-31@gated-at.bofh.it> (permalink) |
| References | <shUvv-O3-3@gated-at.bofh.it> <shXMJ-2PA-9@gated-at.bofh.it> <shYfN-3fW-51@gated-at.bofh.it> <si2t3-5We-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, 2016-09-16 at 15:30 +0100, Matt Fleming wrote: > On Fri, 16 Sep, at 12:00:59PM, Mike Galbraith wrote: > > > > Ok, here's the whole thing just in case. Hope it's not too big. > > [...] > > > [ 0.000000] esrt: Reserving ESRT space from 0x00000000def87998 to 0x00000000def879d0. > > OK, that's 56 bytes and yet I realise that at no point in the > efi_mem_reserve() call path do we round up to the nearest page size > even though the EFI memory map only deals with EFI_PAGE_SIZE regions. > > Could you try this patch? No dice. The numbers changed, but box still goes *poof*. --- arch/x86/platform/efi/quirks.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -227,7 +227,11 @@ void __init efi_arch_mem_reserve(phys_ad efi_memmap_insert(&efi.memmap, new, &mr); early_memunmap(new, new_size); +#if 0 efi_memmap_install(new_phys, num_entries); +#else + printk(KERN_DEBUG "MIKE efi_memmap_install(0x%Lx, %d);\n", new_phys, num_entries); +#endif } /* homer:..debug/tracing # journalctl|grep MIKE virgin+above Sep 16 15:51:15 homer kernel: MIKE efi_memmap_install(0x9d640, 51); Sep 16 15:55:07 homer kernel: MIKE efi_memmap_install(0x9d640, 51); +patch+above Sep 16 18:13:46 homer kernel: MIKE efi_memmap_install(0x9d600, 53);
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[tip regression] efi: Allow drivers to reserve boot services forever == toxic Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-16 08:10 +0200
Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-16 11:40 +0200
Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-16 16:40 +0200
Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic Mark Rutland <mark.rutland@arm.com> - 2016-09-16 16:50 +0200
Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-16 20:30 +0200
Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic Mark Rutland <mark.rutland@arm.com> - 2016-09-19 11:00 +0200
Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-16 18:40 +0200
Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-17 22:00 +0200
Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-09-18 08:10 +0200
Re: [tip regression] efi: Allow drivers to reserve boot services forever == toxic Matt Fleming <matt@codeblueprint.co.uk> - 2016-09-19 13:20 +0200
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