On 04/11/2018 09:26 AM, David Howells wrote: > Provided an annotation for module parameters that specify hardware > parameters (such as io ports, iomem addresses, irqs, dma channels, fixed > dma buffers and other types). > > Suggested-by: Alan Cox <gnomes@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: David Howells <dhowells@xxxxxxxxxx> > --- > > kernel/params.c | 26 +++++++++++++++++++++----- > 1 file changed, 21 insertions(+), 5 deletions(-) > > diff --git a/kernel/params.c b/kernel/params.c > index cc9108c2a1fd..2c08c4aa376b 100644 > --- a/kernel/params.c > +++ b/kernel/params.c > @@ -108,13 +108,19 @@ bool parameq(const char *a, const char *b) > return parameqn(a, b, strlen(a)+1); > } > > -static void param_check_unsafe(const struct kernel_param *kp) > +static bool param_check_unsafe(const struct kernel_param *kp, > + const char *doing) > { > if (kp->flags & KERNEL_PARAM_FL_UNSAFE) { > pr_warn("Setting dangerous option %s - tainting kernel\n", > kp->name); > add_taint(TAINT_USER, LOCKDEP_STILL_OK); > } > + > + if (kp->flags & KERNEL_PARAM_FL_HWPARAM && > + kernel_is_locked_down("Command line-specified device addresses, irqs and dma channels")) s/dma/DMA/ Other patches use PCI instead of pci, CIS instead of cis, MMIO instead of mmio, BPF instead of bpf, MSR instead of msr, etc... > + return false; > + return true; > } > > static int parse_one(char *param, -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html