Messages in this thread | | | Date | Thu, 3 Jul 2008 08:18:02 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] x86: fix Intel Mac booting with EFI |
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* Hugh Dickins <hugh@veritas.com> wrote:
> Fedora reports that mem_init()'s zap_low_mappings(), extended to SMP > in 61165d7a035f6571c7576e7f51e7230157724c8d x86: fix app crashes after > SMP resume causes 32-bit Intel Mac machines to reboot very early when > booting with EFI. > > The EFI code appears to manage low mappings for itself when needed; > but like many before it, confuses PSE with PAE. So it has only been > mapping half the space it needed when PSE but not PAE. This remained > unnoticed until we moved the SMP zap_low_mappings() before > efi_enter_virtual_mode(). Presumably could have been noticed years > ago if anyone ran a UP kernel on such machines?
good spotting!
Acked-by: Ingo Molnar <mingo@elte.hu>
Ingo
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