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authorNicholas Piggin <npiggin@gmail.com>2023-10-16 15:43:05 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2023-10-20 14:43:34 +0300
commitb629b541702b082d161c307c9d7d9867911fc933 (patch)
treea012394a805959389718b5cdfaf9d96f6727f16e /arch/powerpc
parent1e6d5f725738fff83e1c3cbdb8547142eb8820c2 (diff)
downloadlinux-b629b541702b082d161c307c9d7d9867911fc933.tar.xz
powerpc/qspinlock: Rename yield_propagate_owner tunable
Rename yield_propagate_owner to yield_sleepy_owner, which better describes what it does (what, not how). Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Tested-by: Shrikanth Hegde <sshegde@linux.vnet.ibm.com> Reviewed-by: "Nysal Jan K.A" <nysal@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20231016124305.139923-7-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/lib/qspinlock.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/powerpc/lib/qspinlock.c b/arch/powerpc/lib/qspinlock.c
index c68c2bd7b853..5de4dd549f6e 100644
--- a/arch/powerpc/lib/qspinlock.c
+++ b/arch/powerpc/lib/qspinlock.c
@@ -44,7 +44,7 @@ static bool pv_sleepy_lock_sticky __read_mostly = false;
static u64 pv_sleepy_lock_interval_ns __read_mostly = 0;
static int pv_sleepy_lock_factor __read_mostly = 256;
static bool pv_yield_prev __read_mostly = true;
-static bool pv_yield_propagate_owner __read_mostly = true;
+static bool pv_yield_sleepy_owner __read_mostly = true;
static bool pv_prod_head __read_mostly = false;
static DEFINE_PER_CPU_ALIGNED(struct qnodes, qnodes);
@@ -357,7 +357,7 @@ static __always_inline void propagate_sleepy(struct qnode *node, u32 val, bool p
if (!paravirt)
return;
- if (!pv_yield_propagate_owner)
+ if (!pv_yield_sleepy_owner)
return;
next = READ_ONCE(node->next);
@@ -381,7 +381,7 @@ static __always_inline bool yield_to_prev(struct qspinlock *lock, struct qnode *
if (!paravirt)
goto relax;
- if (!pv_yield_propagate_owner)
+ if (!pv_yield_sleepy_owner)
goto yield_prev;
/*
@@ -934,21 +934,21 @@ static int pv_yield_prev_get(void *data, u64 *val)
DEFINE_SIMPLE_ATTRIBUTE(fops_pv_yield_prev, pv_yield_prev_get, pv_yield_prev_set, "%llu\n");
-static int pv_yield_propagate_owner_set(void *data, u64 val)
+static int pv_yield_sleepy_owner_set(void *data, u64 val)
{
- pv_yield_propagate_owner = !!val;
+ pv_yield_sleepy_owner = !!val;
return 0;
}
-static int pv_yield_propagate_owner_get(void *data, u64 *val)
+static int pv_yield_sleepy_owner_get(void *data, u64 *val)
{
- *val = pv_yield_propagate_owner;
+ *val = pv_yield_sleepy_owner;
return 0;
}
-DEFINE_SIMPLE_ATTRIBUTE(fops_pv_yield_propagate_owner, pv_yield_propagate_owner_get, pv_yield_propagate_owner_set, "%llu\n");
+DEFINE_SIMPLE_ATTRIBUTE(fops_pv_yield_sleepy_owner, pv_yield_sleepy_owner_get, pv_yield_sleepy_owner_set, "%llu\n");
static int pv_prod_head_set(void *data, u64 val)
{
@@ -980,7 +980,7 @@ static __init int spinlock_debugfs_init(void)
debugfs_create_file("qspl_pv_sleepy_lock_interval_ns", 0600, arch_debugfs_dir, NULL, &fops_pv_sleepy_lock_interval_ns);
debugfs_create_file("qspl_pv_sleepy_lock_factor", 0600, arch_debugfs_dir, NULL, &fops_pv_sleepy_lock_factor);
debugfs_create_file("qspl_pv_yield_prev", 0600, arch_debugfs_dir, NULL, &fops_pv_yield_prev);
- debugfs_create_file("qspl_pv_yield_propagate_owner", 0600, arch_debugfs_dir, NULL, &fops_pv_yield_propagate_owner);
+ debugfs_create_file("qspl_pv_yield_sleepy_owner", 0600, arch_debugfs_dir, NULL, &fops_pv_yield_sleepy_owner);
debugfs_create_file("qspl_pv_prod_head", 0600, arch_debugfs_dir, NULL, &fops_pv_prod_head);
}