Re: [PATCH] x86/efi: Avoid triple faults during EFI mixed mode calls

2015-02-03 Thread Borislav Petkov
On Tue, Jan 27, 2015 at 04:12:04PM +, Matt Fleming wrote: From: Matt Fleming matt.flem...@intel.com Andy pointed out that if an NMI or MCE is received while we're in the middle of an EFI mixed mode call a triple fault will occur. This can happen, for example, when issuing an EFI mixed

[PATCH] x86/efi: Avoid triple faults during EFI mixed mode calls

2015-01-27 Thread Matt Fleming
From: Matt Fleming matt.flem...@intel.com Andy pointed out that if an NMI or MCE is received while we're in the middle of an EFI mixed mode call a triple fault will occur. This can happen, for example, when issuing an EFI mixed mode call while running perf. The reason for the triple fault is