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authorIngo Molnar <mingo@kernel.org>2018-05-14 09:02:14 +0200
committerIngo Molnar <mingo@kernel.org>2018-05-14 09:02:14 +0200
commitdfd5c3ea641b1697333e5f6704e4e5dddfafe86b (patch)
tree5eab12757acaec0f7ff07a48f4b66140b78eb969 /kernel/sched/core.c
parent247f2f6f3c706b40b5f3886646f3eb53671258bf (diff)
parent67b8d5c7081221efa252e111cd52532ec6d4266f (diff)
downloadop-kernel-dev-dfd5c3ea641b1697333e5f6704e4e5dddfafe86b.zip
op-kernel-dev-dfd5c3ea641b1697333e5f6704e4e5dddfafe86b.tar.gz
Merge tag 'v4.17-rc5' into sched/core, to pick up fixes and dependencies
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/core.c')
-rw-r--r--kernel/sched/core.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 71bdb86..4e0ebae 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -8,6 +8,7 @@
#include "sched.h"
#include <linux/kthread.h>
+#include <linux/nospec.h>
#include <asm/switch_to.h>
#include <asm/tlb.h>
@@ -6926,11 +6927,15 @@ static int cpu_weight_nice_write_s64(struct cgroup_subsys_state *css,
struct cftype *cft, s64 nice)
{
unsigned long weight;
+ int idx;
if (nice < MIN_NICE || nice > MAX_NICE)
return -ERANGE;
- weight = sched_prio_to_weight[NICE_TO_PRIO(nice) - MAX_RT_PRIO];
+ idx = NICE_TO_PRIO(nice) - MAX_RT_PRIO;
+ idx = array_index_nospec(idx, 40);
+ weight = sched_prio_to_weight[idx];
+
return sched_group_set_shares(css_tg(css), scale_load(weight));
}
#endif
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