Commit 1d2dbce9 authored by Adrian Hunter's avatar Adrian Hunter Committed by Namhyung Kim
Browse files

perf intel-pt: Simplify intel_pt_get_vmcs() 



Simplify and remove unnecessary constant expressions.

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Acked-by: default avatarIan Rogers <irogers@google.com>
Link: https://lore.kernel.org/r/20231005190451.175568-3-adrian.hunter@intel.com


Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
parent a91c9872

tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.c

+4 −9
Original line number Diff line number Diff line
@@ -131,19 +131,14 @@ static int intel_pt_get_cbr(const unsigned char *buf, size_t len, 
static int intel_pt_get_vmcs(const unsigned char *buf, size_t len,

			     struct intel_pt_pkt *packet)

{

	unsigned int count = (52 - 5) >> 3;



	if (count < 1 || count > 7)

		return INTEL_PT_BAD_PACKET;



	if (len < count + 2)

	if (len < 7)

		return INTEL_PT_NEED_MORE_BYTES;



	packet->type = INTEL_PT_VMCS;

	packet->count = count;

	memcpy_le64(&packet->payload, buf + 2, count);

	packet->count = 5;

	memcpy_le64(&packet->payload, buf + 2, 5);



	return count + 2;

	return 7;

}



static int intel_pt_get_ovf(struct intel_pt_pkt *packet)