On Mon, Mar 09, 2020 at 07:25:10PM +0100, Hans de Goede wrote: > Quoting from the comment describing the WARN functions in > include/asm-generic/bug.h: > > * WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report > * significant kernel issues that need prompt attention if they should ever > * appear at runtime. > * > * Do not use these macros when checking for invalid external inputs > > The (buggy) firmware tables which the dmar code was calling WARN_TAINT > for really are invalid external inputs. They are not under the kernel's > control and the issues in them cannot be fixed by a kernel update. > So logging a backtrace, which invites bug reports to be filed about this, > is not helpful. > > BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=701847 > Fixes: 556ab45f9a77 ("ioat2: catch and recover from broken vtd configurations > v6") > Signed-off-by: Hans de Goede <[email protected]> > --- > drivers/iommu/intel-iommu.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-)
Applied, thanks. _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
