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87 lines
3.2 KiB
87 lines
3.2 KiB
From f71f3271fa149d2b5f022830d43071d97b022b38 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Fri, 24 May 2019 08:59:23 +0200
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Subject: [PATCH] pid1: don't reset setting from /proc/cmdline upon restart
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We have settings which may be set on the kernel command line, and also
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in /proc/cmdline (for pid1). The settings in /proc/cmdline have higher priority
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of course. When a reload was done, we'd reload just the configuration file,
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losing the overrides.
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So read /proc/cmdline again during reload.
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Also, when initially reading the configuration file when program starts,
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don't treat any errors as fatal. The configuration done in there doesn't
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seem important enough to refuse boot.
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(cherry picked from commit 470a5e6dcec4637439ae953002127af214d396ac)
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Related: #1734787
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---
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src/core/main.c | 26 ++++++++++++++++----------
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1 file changed, 16 insertions(+), 10 deletions(-)
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diff --git a/src/core/main.c b/src/core/main.c
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index bc1db2af7b..9a9f145080 100644
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--- a/src/core/main.c
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+++ b/src/core/main.c
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@@ -129,6 +129,8 @@ static sd_id128_t arg_machine_id = {};
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static EmergencyAction arg_cad_burst_action = EMERGENCY_ACTION_REBOOT_FORCE;
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static CPUSet arg_cpu_affinity = {};
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+static int parse_configuration(void);
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+
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_noreturn_ static void freeze_or_reboot(void) {
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if (arg_crash_reboot) {
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@@ -1659,9 +1661,7 @@ static int invoke_main_loop(
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saved_log_level = m->log_level_overridden ? log_get_max_level() : -1;
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saved_log_target = m->log_target_overridden ? log_get_target() : _LOG_TARGET_INVALID;
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- r = parse_config_file();
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- if (r < 0)
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- log_warning_errno(r, "Failed to parse config file, ignoring: %m");
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+ (void) parse_configuration();
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set_manager_defaults(m);
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@@ -1965,18 +1965,14 @@ static void free_arguments(void) {
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cpu_set_reset(&arg_cpu_affinity);
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}
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-static int load_configuration(int argc, char **argv, const char **ret_error_message) {
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+static int parse_configuration(void) {
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int r;
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- assert(ret_error_message);
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-
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arg_default_tasks_max = system_tasks_max_scale(DEFAULT_TASKS_MAX_PERCENTAGE, 100U);
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r = parse_config_file();
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- if (r < 0) {
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- *ret_error_message = "Failed to parse config file";
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- return r;
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- }
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+ if (r < 0)
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+ log_warning_errno(r, "Failed to parse config file, ignoring: %m");
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if (arg_system) {
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r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, 0);
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@@ -1987,6 +1983,16 @@ static int load_configuration(int argc, char **argv, const char **ret_error_mess
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/* Note that this also parses bits from the kernel command line, including "debug". */
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log_parse_environment();
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+ return 0;
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+}
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+
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+static int load_configuration(int argc, char **argv, const char **ret_error_message) {
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+ int r;
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+
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+ assert(ret_error_message);
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+
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+ (void) parse_configuration();
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+
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r = parse_argv(argc, argv);
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if (r < 0) {
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*ret_error_message = "Failed to parse commandline arguments";
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