[PATCH 08/17] x86, mpx: boot-time disable

2015-03-27 Thread Dave Hansen
From: Dave Hansen MPX has the _potential_ to cause some issues. Say part of your init system tried to protect one of its components from buffer overflows with MPX. If there were a false positive, it's possible that MPX could keep a system from booting. MPX could also potentially cause perform

Re: [PATCH 08/17] x86, mpx: boot-time disable

2015-03-27 Thread Dave Hansen
On 03/27/2015 08:07 AM, Borislav Petkov wrote: >> xtensions (MPX) disabled\n"); > WARNING: printk() should include KERN_ facility level > #52: FILE: arch/x86/kernel/cpu/common.c:186: > + printk("nompx: Intel Memory Protection Extensions (MPX) disabled\n"); > > checkpatch is sometimes right.

Re: [PATCH 08/17] x86, mpx: boot-time disable

2015-03-27 Thread Borislav Petkov
On Thu, Mar 26, 2015 at 11:33:43AM -0700, Dave Hansen wrote: > > From: Dave Hansen > > MPX has the _potential_ to cause some issues. Say part of your init > system tried to protect one of its components from buffer overflows > with MPX. If there were a false positive, it's possible that MPX >

[PATCH 08/17] x86, mpx: boot-time disable

2015-03-26 Thread Dave Hansen
From: Dave Hansen MPX has the _potential_ to cause some issues. Say part of your init system tried to protect one of its components from buffer overflows with MPX. If there were a false positive, it's possible that MPX could keep a system from booting. MPX could also potentially cause perform