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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
This commit is contained in:
Nicholas Piggin 2023-10-16 22:43:05 +10:00 committed by Michael Ellerman
parent 1e6d5f7257
commit b629b54170
1 changed files with 9 additions and 9 deletions
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18
arch/powerpc/lib/qspinlock.c
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@ -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);
}