Commit 6acdc9a6 authored by Naveen N. Rao's avatar Naveen N. Rao Committed by Michael Ellerman

powerpc/bpf: Use memset32() to pre-fill traps in BPF page(s)

Use the newly introduced memset32() to pre-fill BPF page(s) with trap
instructions.
Signed-off-by: default avatarNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 694fc88c
...@@ -25,11 +25,7 @@ int bpf_jit_enable __read_mostly; ...@@ -25,11 +25,7 @@ int bpf_jit_enable __read_mostly;
static void bpf_jit_fill_ill_insns(void *area, unsigned int size) static void bpf_jit_fill_ill_insns(void *area, unsigned int size)
{ {
int *p = area; memset32(area, BREAKPOINT_INSTRUCTION, size/4);
/* Fill whole space with trap instructions */
while (p < (int *)((char *)area + size))
*p++ = BREAKPOINT_INSTRUCTION;
} }
static inline void bpf_flush_icache(void *start, void *end) static inline void bpf_flush_icache(void *start, void *end)
......
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