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ktest: Handle kernels before make oldnoconfig 

When bisecting, one may come across a kernel that does not have
make oldnoconfig. In this case, we need to run the command "yes"
into a make oldconfig. This will select defaults instead of 'n'
into each command, but it works as a work around.

Note, "yes n" will not work because a config may have a value that
"n" is not acceptable for.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2011-03-07 13:27:43 -05:00 committed by Steven Rostedt
parent 10abf118f0
commit 612b9e9bd3
1 changed files with 20 additions and 7 deletions
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27
tools/testing/ktest/ktest.pl
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@ -930,6 +930,18 @@ sub check_buildlog {
return 1;
}
sub make_oldconfig {
my ($defconfig) = @_;
if (!run_command "$defconfig $make oldnoconfig") {
# Perhaps oldnoconfig doesn't exist in this version of the kernel
# try a yes '' | oldconfig
doprint "oldnoconfig failed, trying yes '' | make oldconfig\n";
run_command "yes '' | $defconfig $make oldconfig" or
dodie "failed make config oldconfig";
}
}
sub build {
my ($type) = @_;
my $defconfig = "";
@ -975,8 +987,12 @@ sub build {
$defconfig = "KCONFIG_ALLCONFIG=$minconfig";
}
run_command "$defconfig $make $type" or
dodie "failed make config";
if ($type eq "oldnoconfig") {
make_oldconfig $defconfig;
} else {
run_command "$defconfig $make $type" or
dodie "failed make config";
}
$redirect = "$buildlog";
if (!run_command "$make $build_options") {
@ -1395,9 +1411,7 @@ sub create_config {
close(OUT);
# exit;
run_command "$make oldnoconfig" or
dodie "failed make config oldconfig";
make_oldconfig "";
}
sub compare_configs {
@ -1599,8 +1613,7 @@ sub config_bisect {
close(IN);
# Now run oldconfig with the minconfig (and addconfigs)
run_command "$defconfig $make oldnoconfig" or
dodie "failed make config oldconfig";
make_oldconfig $defconfig;
# check to see what we lost (or gained)
open (IN, $output_config)