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Commit f0322f7f authored by Anshuman Khandual's avatar Anshuman Khandual Committed by Michael Ellerman
Browse files

powerpc/perf: Change type of the bhrb_users variable 



This patch just changes data type of bhrb_users variable from
int to unsigned int because it never contains a negative value.

Reported-by: default avatarDaniel Axtens <dja@axtens.net>
Signed-off-by: default avatarAnshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 465345ca

arch/powerpc/perf/core-book3s.c

+2 −2
Original line number Diff line number Diff line
@@ -53,7 +53,7 @@ struct cpu_hw_events { 


	/* BHRB bits */

	u64				bhrb_filter;	/* BHRB HW branch filter */

	int				bhrb_users;

	unsigned int			bhrb_users;

	void				*bhrb_context;

	struct	perf_branch_stack	bhrb_stack;

	struct	perf_branch_entry	bhrb_entries[BHRB_MAX_ENTRIES];
@@ -369,8 +369,8 @@ static void power_pmu_bhrb_disable(struct perf_event *event) 
	if (!ppmu->bhrb_nr)

		return;



	WARN_ON_ONCE(!cpuhw->bhrb_users);

	cpuhw->bhrb_users--;

	WARN_ON_ONCE(cpuhw->bhrb_users < 0);

	perf_sched_cb_dec(event->ctx->pmu);



	if (!cpuhw->disabled && !cpuhw->bhrb_users) {