[PATCH 1/2] efi: Fix for_each_efi_memory_desc_in_map() for empty memmaps

2016-05-31 Thread Matt Fleming
From: Vitaly Kuznetsov Commit 78ce248faa3c ("efi: Iterate over efi.memmap in for_each_efi_memory_desc()") introduced a regression for systems booted with 'noefi' kernel option. In particular, I observe early kernel hang in efi_find_mirror() on for_each_efi_memory_desc()

[PATCH 1/2] efi: Fix for_each_efi_memory_desc_in_map() for empty memmaps

2016-05-31 Thread Matt Fleming
From: Vitaly Kuznetsov Commit 78ce248faa3c ("efi: Iterate over efi.memmap in for_each_efi_memory_desc()") introduced a regression for systems booted with 'noefi' kernel option. In particular, I observe early kernel hang in efi_find_mirror() on for_each_efi_memory_desc() call. As we don't have