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Extract split lock mitigation into common file

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This reduces duplication of the split lock mitigation path.
Additionally, it allows extending the functionality of procsysctl into
also getting the split lock mitigation state.
This commit is contained in:
MithicSpirit
2025-01-28 20:11:46 -05:00
committed by afayaz-feral
parent 2d71be6a94
commit d84c5ded1c
8 changed files with 119 additions and 24 deletions
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23
daemon/gamemode-context.c
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@@ -37,6 +37,7 @@ POSSIBILITY OF SUCH DAMAGE.
#include "common-logging.h"
#include "common-power.h"
#include "common-profile.h"
#include "common-splitlock.h"
#include "gamemode.h"
#include "gamemode-config.h"
@@ -220,25 +221,9 @@ void game_mode_context_destroy(GameModeContext *self)
static void game_mode_store_splitlock(GameModeContext *self)
{
FILE *f = fopen("/proc/sys/kernel/split_lock_mitigate", "r");
if (f == NULL) {
if (errno == ENOENT)
return;
LOG_ERROR("Couldn't open /proc/sys/kernel/split_lock_mitigate : %s\n", strerror(errno));
return;
}
char value_str[40];
if (fgets(value_str, sizeof value_str, f) == NULL) {
LOG_ERROR("Couldn't read from /proc/sys/kernel/split_lock_mitigate : %s\n",
strerror(errno));
fclose(f);
return;
}
fclose(f);
self->initial_split_lock_mitigate = strtol(value_str, NULL, 10);
long initial_state = get_splitlock_state();
self->initial_split_lock_mitigate = initial_state;
LOG_MSG("split lock mitigation was initially set to [%ld]\n", initial_state);
}
static int game_mode_disable_splitlock(GameModeContext *self, bool disable)