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-rw-r--r--arch/powerpc/include/asm/checksum.h7
-rw-r--r--arch/powerpc/net/bpf_jit_comp.c2
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/checksum.h b/arch/powerpc/include/asm/checksum.h
index 350de8f90250..ab3832b93f0a 100644
--- a/arch/powerpc/include/asm/checksum.h
+++ b/arch/powerpc/include/asm/checksum.h
@@ -112,6 +112,13 @@ static __always_inline __wsum csum_add(__wsum csum, __wsum addend)
#endif
}
+#define HAVE_ARCH_CSUM_SHIFT
+static __always_inline __wsum csum_shift(__wsum sum, int offset)
+{
+ /* rotate sum to align it with a 16b boundary */
+ return (__force __wsum)rol32((__force u32)sum, (offset & 1) << 3);
+}
+
/*
* This is a version of ip_compute_csum() optimized for IP headers,
* which always checksum on 4 octet boundaries. ihl is the number
diff --git a/arch/powerpc/net/bpf_jit_comp.c b/arch/powerpc/net/bpf_jit_comp.c
index 56dd1f4e3e44..a4f4d347e6bd 100644
--- a/arch/powerpc/net/bpf_jit_comp.c
+++ b/arch/powerpc/net/bpf_jit_comp.c
@@ -264,7 +264,7 @@ skip_codegen_passes:
fp->jited = 1;
fp->jited_len = proglen + FUNCTION_DESCR_SIZE;
- bpf_flush_icache(bpf_hdr, (u8 *)bpf_hdr + (bpf_hdr->pages * PAGE_SIZE));
+ bpf_flush_icache(bpf_hdr, (u8 *)bpf_hdr + bpf_hdr->size);
if (!fp->is_func || extra_pass) {
bpf_jit_binary_lock_ro(bpf_hdr);
bpf_prog_fill_jited_linfo(fp, addrs);