84         // Check matrix kernel level  in getMatchedKernelRequirements()
86         // Use legacy behavior when kernel FCM version is not specified. Blindly add all of them  in getMatchedKernelRequirements()
104         // matrix level >= kernel level  in getMatchedKernelRequirements()
111             ss << "No kernel entry found for kernel version " << mVersion.dropMinor()  in getMatchedKernelRequirements()
112                << " at kernel FCM version "  in getMatchedKernelRequirements()
114                << ". The following kernel requirements are checked:";  in getMatchedKernelRequirements()
117                    << ", kernel FCM version: " << matrixKernel.getSourceMatrixLevel()  in getMatchedKernelRequirements()
125     // At this point, kernelsForLevel contains kernel requirements for each level.  in getMatchedKernelRequirements()
126     // For example, if the running kernel version is 4.14.y then kernelsForLevel contains  in getMatchedKernelRequirements()
128     // (This excludes kernels < kernel FCM version, or device FCM version if kernel FCM version is  in getMatchedKernelRequirements()
129     // empty. For example, if device level = Q and kernel level is unspecified, this list only  in getMatchedKernelRequirements()
132     // Use legacy behavior when kernel FCM version is not specified. e.g. target FCM version 3 (P)  in getMatchedKernelRequirements()
133     // matches kernel 4.4-p, 4.9-p, 4.14-p, 4.19-q, etc., but not 4.9-q or 4.14-q.  in getMatchedKernelRequirements()
134     // Since we already filtered |kernels| based on kernel version, we only need to check the first  in getMatchedKernelRequirements()
137     // state kernel FCM version explicitly in the device manifest. The value is automatically  in getMatchedKernelRequirements()
147                 *error = "Kernel FCM version is not specified, but kernel version " +  in getMatchedKernelRequirements()
149                          " is found. Fix by specifying kernel FCM version in device manifest. "  in getMatchedKernelRequirements()
150                          "For example, for a *-r kernel:\n" +  in getMatchedKernelRequirements()
163     // Use new behavior when kernel FCM version is specified. e.g. kernel FCM version 3 (P)  in getMatchedKernelRequirements()
164     // matches kernel 4.4-p, 4.9-p, 4.14-p, 4.9-q, 4.14-q, 4.14-r etc., but not 5.4-r.  in getMatchedKernelRequirements()
165     // Note we already filtered |kernels| based on kernel version.  in getMatchedKernelRequirements()
169             *error = "Kernel FCM Version is " + to_string(kernelLevel) + " and kernel version is " +  in getMatchedKernelRequirements()
171                      ", but the first kernel FCM version allowed for kernel version " +  in getMatchedKernelRequirements()
185                 *error += "For kernel requirements at matrix level " +  in getMatchedKernelRequirements()
194         error->insert(0, "No compatible kernel requirement found (kernel FCM version = " +  in getMatchedKernelRequirements()
221             ss << "Framework is incompatible with kernel version " << version()  in getMatchedKernelVersionAndConfigs()
222                << ", compatible kernel versions are:";  in getMatchedKernelVersionAndConfigs()
225                    << ", kernel FCM version: " << matrixKernel->getSourceMatrixLevel()  in getMatchedKernelVersionAndConfigs()
234         // This should not happen because first <conditions> for each <kernel> must be  in getMatchedKernelVersionAndConfigs()
237             error->insert(0, "Framework matches kernel version with unmet conditions.");  in getMatchedKernelVersionAndConfigs()
254             *error = "Conflicting kernel version: " + to_string(version()) + " vs. " +  in merge()
263             *error = "Found <kernel><config> items in two manifests.";  in merge()
270             *error = "Conflicting kernel level: " + to_string(level()) + " vs. " +  in merge()