From d13103074ab5c7614eeb94f88a61803ed8f3e878 Mon Sep 17 00:00:00 2001 From: Siddhesh Poyarekar Date: Wed, 17 May 2017 13:11:00 +0530 Subject: tunables: Specify a default value for tunables Enhance dl-tunables.list to allow specifying a default value for a tunable that it would be initialized to. * scripts/gen-tunables.awk: Recognize 'default' keyword in dl-tunables.list. * README.tunables: Document it. --- scripts/gen-tunables.awk | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'scripts') diff --git a/scripts/gen-tunables.awk b/scripts/gen-tunables.awk index defb3e7..b10b00e 100644 --- a/scripts/gen-tunables.awk +++ b/scripts/gen-tunables.awk @@ -113,6 +113,14 @@ $1 == "}" { exit 1 } } + else if (attr == "default") { + if (types[top_ns][ns][tunable] == "STRING") { + default_val[top_ns][ns][tunable] = sprintf(".strval = \"%s\"", val); + } + else { + default_val[top_ns][ns][tunable] = sprintf(".numval = %s", val) + } + } } END { @@ -146,9 +154,9 @@ END { for (n in types[t]) { for (m in types[t][n]) { printf (" {TUNABLE_NAME_S(%s, %s, %s)", t, n, m) - printf (", {TUNABLE_TYPE_%s, %s, %s}, {.numval = 0}, NULL, TUNABLE_SECLEVEL_%s, %s},\n", + printf (", {TUNABLE_TYPE_%s, %s, %s}, {%s}, NULL, TUNABLE_SECLEVEL_%s, %s},\n", types[t][n][m], minvals[t][n][m], maxvals[t][n][m], - security_level[t][n][m], env_alias[t][n][m]); + default_val[t][n][m], security_level[t][n][m], env_alias[t][n][m]); } } } -- cgit v1.1