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perf/x86/uncore: clean up const mismatch

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In some cmp functions, a const pointer is cast out to a non-const
pointer by using container_of() which is not correct.  Fix this up by
properly marking the pointers as const, which preserves the correct
type of the pointer passed into the functions.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/2025121741-headstand-stratus-f5eb@gregkh
This commit is contained in:
Greg Kroah-Hartman 2025-12-17 13:42:41 +01:00 committed by Peter Zijlstra
parent 01122b8936
commit 632d89b030
1 changed files with 3 additions and 3 deletions
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6
arch/x86/events/intel/uncore_discovery.c
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@ -52,7 +52,7 @@ static int get_device_die_id(struct pci_dev *dev)
static inline int __type_cmp(const void *key, const struct rb_node *b)
{
struct intel_uncore_discovery_type *type_b = __node_2_type(b);
const struct intel_uncore_discovery_type *type_b = __node_2_type(b);
const u16 *type_id = key;
if (type_b->type > *type_id)
@ -115,7 +115,7 @@ get_uncore_discovery_type(struct uncore_unit_discovery *unit)
static inline int pmu_idx_cmp(const void *key, const struct rb_node *b)
{
struct intel_uncore_discovery_unit *unit;
const struct intel_uncore_discovery_unit *unit;
const unsigned int *id = key;
unit = rb_entry(b, struct intel_uncore_discovery_unit, node);
@ -173,7 +173,7 @@ int intel_uncore_find_discovery_unit_id(struct rb_root *units, int die,
static inline bool unit_less(struct rb_node *a, const struct rb_node *b)
{
struct intel_uncore_discovery_unit *a_node, *b_node;
const struct intel_uncore_discovery_unit *a_node, *b_node;
a_node = rb_entry(a, struct intel_uncore_discovery_unit, node);
b_node = rb_entry(b, struct intel_uncore_discovery_unit, node);