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-rw-r--r--kernel/bpf/core.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index cbbd0168f..285101772 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -32,6 +32,7 @@
#include <linux/kallsyms.h>
#include <linux/rcupdate.h>
#include <linux/perf_event.h>
+#include <linux/nospec.h>
#include <asm/barrier.h>
#include <asm/unaligned.h>
@@ -602,7 +603,7 @@ static int __init bpf_jit_charge_init(void)
{
/* Only used as heuristic here to derive limit. */
bpf_jit_limit_max = bpf_jit_alloc_exec_limit();
- bpf_jit_limit = min_t(u64, round_up(bpf_jit_limit_max >> 2,
+ bpf_jit_limit = min_t(u64, round_up(bpf_jit_limit_max >> 1,
PAGE_SIZE), LONG_MAX);
return 0;
}
@@ -1373,9 +1374,7 @@ out:
* reuse preexisting logic from Spectre v1 mitigation that
* happens to produce the required code on x86 for v4 as well.
*/
-#ifdef CONFIG_X86
barrier_nospec();
-#endif
CONT;
#define LDST(SIZEOP, SIZE) \
STX_MEM_##SIZEOP: \