> -----Original Message----- > From: Jan Beulich <jbeul...@suse.com> > Sent: 09 March 2020 10:44 > To: xen-devel@lists.xenproject.org > Cc: Kevin Tian <kevin.t...@intel.com>; Stefano Stabellini > <sstabell...@kernel.org>; Julien Grall > <jul...@xen.org>; Wei Liu <w...@xen.org>; Konrad Wilk > <konrad.w...@oracle.com>; George Dunlap > <george.dun...@eu.citrix.com>; Andrew Cooper <andrew.coop...@citrix.com>; Ian > Jackson > <ian.jack...@citrix.com>; Paul Durrant <p...@xen.org> > Subject: [PATCH v2 3/5] IOMMU: iommu_igfx is x86-only > > In fact it's VT-d specific, but we don't have a way yet to build code > for just one vendor. > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Reviewed-by: Paul Durrant <p...@xen.org> > > --- a/xen/drivers/passthrough/iommu.c > +++ b/xen/drivers/passthrough/iommu.c > @@ -32,7 +32,6 @@ bool_t __read_mostly iommu_enabled; > bool_t __read_mostly force_iommu; > bool_t __read_mostly iommu_verbose; > bool __read_mostly iommu_quarantine = true; > -bool_t __read_mostly iommu_igfx = 1; > bool_t __read_mostly iommu_snoop = 1; > bool_t __read_mostly iommu_qinval = 1; > bool_t __read_mostly iommu_crash_disable; > @@ -73,8 +72,10 @@ static int __init parse_iommu_param(cons > force_iommu = val; > else if ( (val = parse_boolean("quarantine", s, ss)) >= 0 ) > iommu_quarantine = val; > +#ifdef CONFIG_X86 > else if ( (val = parse_boolean("igfx", s, ss)) >= 0 ) > iommu_igfx = val; > +#endif > else if ( (val = parse_boolean("verbose", s, ss)) >= 0 ) > iommu_verbose = val; > else if ( (val = parse_boolean("snoop", s, ss)) >= 0 ) > --- a/xen/drivers/passthrough/vtd/iommu.c > +++ b/xen/drivers/passthrough/vtd/iommu.c > @@ -50,6 +50,8 @@ struct mapped_rmrr { > /* Possible unfiltered LAPIC/MSI messages from untrusted sources? */ > bool __read_mostly untrusted_msi; > > +bool __read_mostly iommu_igfx = true; > + > int nr_iommus; > > static struct tasklet vtd_fault_tasklet; > --- a/xen/include/xen/iommu.h > +++ b/xen/include/xen/iommu.h > @@ -53,7 +53,7 @@ static inline bool_t dfn_eq(dfn_t x, dfn > } > > extern bool_t iommu_enable, iommu_enabled; > -extern bool force_iommu, iommu_quarantine, iommu_verbose, iommu_igfx; > +extern bool force_iommu, iommu_quarantine, iommu_verbose; > extern bool_t iommu_snoop, iommu_qinval; > > #ifdef CONFIG_X86 > @@ -70,6 +70,7 @@ extern enum __packed iommu_intremap { > iommu_intremap_restricted, > iommu_intremap_full, > } iommu_intremap; > +extern bool iommu_igfx; > #else > # define iommu_intremap false > #endif _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel