Merge tag 'iommu-updates-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / Documentation / admin-guide / kernel-parameters.txt
index 23f209c8c19a55791f8ec8097a5ea4cb56001336..a28982dfee6ef6ab110b714d54ed3624de25cfb5 100644 (file)
                        Note that using this option lowers the security
                        provided by tboot because it makes the system
                        vulnerable to DMA attacks.
-               nobounce [Default off]
-                       Disable bounce buffer for untrusted devices such as
-                       the Thunderbolt devices. This will treat the untrusted
-                       devices as the trusted ones, hence might expose security
-                       risks of DMA attacks.
 
        intel_idle.max_cstate=  [KNL,HW,ACPI,X86]
                        0       disables intel_idle and fall back on acpi_idle.
                                        device);
                                j = NO_REPORT_LUNS (don't use report luns
                                        command, uas only);
+                               k = NO_SAME (do not use WRITE_SAME, uas only)
                                l = NOT_LOCKABLE (don't try to lock and
                                        unlock ejectable media, not on uas);
                                m = MAX_SECTORS_64 (don't transfer more