[tip: locking/core] locking/spinlocks: Mark spinlocks noinline when inline spinlocks are disabled

From: tip-bot2 for Andi Kleen
Date: Thu Aug 04 2022 - 05:51:20 EST

Next message: Shukla, Santosh: "Re: [PATCHv2 4/7] KVM: SVM: Report NMI not allowed when Guest busy handling VNMI"
Previous message: Peter Geis: "Re: [BUG BISECT] phy: rockchip-inno-usb2: Sync initial otg state"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

The following commit has been merged into the locking/core branch of tip:

Commit-ID: 9aeaf5bc4e30ec968ae660b865ed491a28daf500
Gitweb: https://git.kernel.org/tip/9aeaf5bc4e30ec968ae660b865ed491a28daf500
Author: Andi Kleen <ak@xxxxxxxxxxxxxxx>
AuthorDate: Tue, 19 Jul 2022 13:05:48 +02:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Thu, 04 Aug 2022 11:05:43 +02:00

locking/spinlocks: Mark spinlocks noinline when inline spinlocks are disabled

Otherwise LTO will inline them anyways and cause a large kernel text increase.

Since the explicit intention here is to not inline them marking them noinline
is good documentation even for the non-LTO case.

Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Signed-off-by: Martin Liska <mliska@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220719110548.1544-1-jslaby@xxxxxxx
---
kernel/locking/spinlock.c | 56 +++++++++++++++++++-------------------
1 file changed, 28 insertions(+), 28 deletions(-)

diff --git a/kernel/locking/spinlock.c b/kernel/locking/spinlock.c
index 7f49baa..8475a07 100644
--- a/kernel/locking/spinlock.c
+++ b/kernel/locking/spinlock.c
@@ -133,7 +133,7 @@ BUILD_LOCK_OPS(write, rwlock);
#endif

#ifndef CONFIG_INLINE_SPIN_TRYLOCK
-int __lockfunc _raw_spin_trylock(raw_spinlock_t *lock)
+noinline int __lockfunc _raw_spin_trylock(raw_spinlock_t *lock)
{
return __raw_spin_trylock(lock);
}
@@ -141,7 +141,7 @@ EXPORT_SYMBOL(_raw_spin_trylock);
#endif

#ifndef CONFIG_INLINE_SPIN_TRYLOCK_BH
-int __lockfunc _raw_spin_trylock_bh(raw_spinlock_t *lock)
+noinline int __lockfunc _raw_spin_trylock_bh(raw_spinlock_t *lock)
{
return __raw_spin_trylock_bh(lock);
}
@@ -149,7 +149,7 @@ EXPORT_SYMBOL(_raw_spin_trylock_bh);
#endif

#ifndef CONFIG_INLINE_SPIN_LOCK
-void __lockfunc _raw_spin_lock(raw_spinlock_t *lock)
+noinline void __lockfunc _raw_spin_lock(raw_spinlock_t *lock)
{
__raw_spin_lock(lock);
}
@@ -157,7 +157,7 @@ EXPORT_SYMBOL(_raw_spin_lock);
#endif

#ifndef CONFIG_INLINE_SPIN_LOCK_IRQSAVE
-unsigned long __lockfunc _raw_spin_lock_irqsave(raw_spinlock_t *lock)
+noinline unsigned long __lockfunc _raw_spin_lock_irqsave(raw_spinlock_t *lock)
{
return __raw_spin_lock_irqsave(lock);
}
@@ -165,7 +165,7 @@ EXPORT_SYMBOL(_raw_spin_lock_irqsave);
#endif

#ifndef CONFIG_INLINE_SPIN_LOCK_IRQ
-void __lockfunc _raw_spin_lock_irq(raw_spinlock_t *lock)
+noinline void __lockfunc _raw_spin_lock_irq(raw_spinlock_t *lock)
{
__raw_spin_lock_irq(lock);
}
@@ -173,7 +173,7 @@ EXPORT_SYMBOL(_raw_spin_lock_irq);
#endif

#ifndef CONFIG_INLINE_SPIN_LOCK_BH
-void __lockfunc _raw_spin_lock_bh(raw_spinlock_t *lock)
+noinline void __lockfunc _raw_spin_lock_bh(raw_spinlock_t *lock)
{
__raw_spin_lock_bh(lock);
}
@@ -181,7 +181,7 @@ EXPORT_SYMBOL(_raw_spin_lock_bh);
#endif

#ifdef CONFIG_UNINLINE_SPIN_UNLOCK
-void __lockfunc _raw_spin_unlock(raw_spinlock_t *lock)
+noinline void __lockfunc _raw_spin_unlock(raw_spinlock_t *lock)
{
__raw_spin_unlock(lock);
}
@@ -189,7 +189,7 @@ EXPORT_SYMBOL(_raw_spin_unlock);
#endif

#ifndef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE
-void __lockfunc _raw_spin_unlock_irqrestore(raw_spinlock_t *lock, unsigned long flags)
+noinline void __lockfunc _raw_spin_unlock_irqrestore(raw_spinlock_t *lock, unsigned long flags)
{
__raw_spin_unlock_irqrestore(lock, flags);
}
@@ -197,7 +197,7 @@ EXPORT_SYMBOL(_raw_spin_unlock_irqrestore);
#endif

#ifndef CONFIG_INLINE_SPIN_UNLOCK_IRQ
-void __lockfunc _raw_spin_unlock_irq(raw_spinlock_t *lock)
+noinline void __lockfunc _raw_spin_unlock_irq(raw_spinlock_t *lock)
{
__raw_spin_unlock_irq(lock);
}
@@ -205,7 +205,7 @@ EXPORT_SYMBOL(_raw_spin_unlock_irq);
#endif

#ifndef CONFIG_INLINE_SPIN_UNLOCK_BH
-void __lockfunc _raw_spin_unlock_bh(raw_spinlock_t *lock)
+noinline void __lockfunc _raw_spin_unlock_bh(raw_spinlock_t *lock)
{
__raw_spin_unlock_bh(lock);
}
@@ -215,7 +215,7 @@ EXPORT_SYMBOL(_raw_spin_unlock_bh);
#ifndef CONFIG_PREEMPT_RT

#ifndef CONFIG_INLINE_READ_TRYLOCK
-int __lockfunc _raw_read_trylock(rwlock_t *lock)
+noinline int __lockfunc _raw_read_trylock(rwlock_t *lock)
{
return __raw_read_trylock(lock);
}
@@ -223,7 +223,7 @@ EXPORT_SYMBOL(_raw_read_trylock);
#endif

#ifndef CONFIG_INLINE_READ_LOCK
-void __lockfunc _raw_read_lock(rwlock_t *lock)
+noinline void __lockfunc _raw_read_lock(rwlock_t *lock)
{
__raw_read_lock(lock);
}
@@ -231,7 +231,7 @@ EXPORT_SYMBOL(_raw_read_lock);
#endif

#ifndef CONFIG_INLINE_READ_LOCK_IRQSAVE
-unsigned long __lockfunc _raw_read_lock_irqsave(rwlock_t *lock)
+noinline unsigned long __lockfunc _raw_read_lock_irqsave(rwlock_t *lock)
{
return __raw_read_lock_irqsave(lock);
}
@@ -239,7 +239,7 @@ EXPORT_SYMBOL(_raw_read_lock_irqsave);
#endif

#ifndef CONFIG_INLINE_READ_LOCK_IRQ
-void __lockfunc _raw_read_lock_irq(rwlock_t *lock)
+noinline void __lockfunc _raw_read_lock_irq(rwlock_t *lock)
{
__raw_read_lock_irq(lock);
}
@@ -247,7 +247,7 @@ EXPORT_SYMBOL(_raw_read_lock_irq);
#endif

#ifndef CONFIG_INLINE_READ_LOCK_BH
-void __lockfunc _raw_read_lock_bh(rwlock_t *lock)
+noinline void __lockfunc _raw_read_lock_bh(rwlock_t *lock)
{
__raw_read_lock_bh(lock);
}
@@ -255,7 +255,7 @@ EXPORT_SYMBOL(_raw_read_lock_bh);
#endif

#ifndef CONFIG_INLINE_READ_UNLOCK
-void __lockfunc _raw_read_unlock(rwlock_t *lock)
+noinline void __lockfunc _raw_read_unlock(rwlock_t *lock)
{
__raw_read_unlock(lock);
}
@@ -263,7 +263,7 @@ EXPORT_SYMBOL(_raw_read_unlock);
#endif

#ifndef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE
-void __lockfunc _raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
+noinline void __lockfunc _raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
{
__raw_read_unlock_irqrestore(lock, flags);
}
@@ -271,7 +271,7 @@ EXPORT_SYMBOL(_raw_read_unlock_irqrestore);
#endif

#ifndef CONFIG_INLINE_READ_UNLOCK_IRQ
-void __lockfunc _raw_read_unlock_irq(rwlock_t *lock)
+noinline void __lockfunc _raw_read_unlock_irq(rwlock_t *lock)
{
__raw_read_unlock_irq(lock);
}
@@ -279,7 +279,7 @@ EXPORT_SYMBOL(_raw_read_unlock_irq);
#endif

#ifndef CONFIG_INLINE_READ_UNLOCK_BH
-void __lockfunc _raw_read_unlock_bh(rwlock_t *lock)
+noinline void __lockfunc _raw_read_unlock_bh(rwlock_t *lock)
{
__raw_read_unlock_bh(lock);
}
@@ -287,7 +287,7 @@ EXPORT_SYMBOL(_raw_read_unlock_bh);
#endif

#ifndef CONFIG_INLINE_WRITE_TRYLOCK
-int __lockfunc _raw_write_trylock(rwlock_t *lock)
+noinline int __lockfunc _raw_write_trylock(rwlock_t *lock)
{
return __raw_write_trylock(lock);
}
@@ -295,7 +295,7 @@ EXPORT_SYMBOL(_raw_write_trylock);
#endif

#ifndef CONFIG_INLINE_WRITE_LOCK
-void __lockfunc _raw_write_lock(rwlock_t *lock)
+noinline void __lockfunc _raw_write_lock(rwlock_t *lock)
{
__raw_write_lock(lock);
}
@@ -313,7 +313,7 @@ EXPORT_SYMBOL(_raw_write_lock_nested);
#endif

#ifndef CONFIG_INLINE_WRITE_LOCK_IRQSAVE
-unsigned long __lockfunc _raw_write_lock_irqsave(rwlock_t *lock)
+noinline unsigned long __lockfunc _raw_write_lock_irqsave(rwlock_t *lock)
{
return __raw_write_lock_irqsave(lock);
}
@@ -321,7 +321,7 @@ EXPORT_SYMBOL(_raw_write_lock_irqsave);
#endif

#ifndef CONFIG_INLINE_WRITE_LOCK_IRQ
-void __lockfunc _raw_write_lock_irq(rwlock_t *lock)
+noinline void __lockfunc _raw_write_lock_irq(rwlock_t *lock)
{
__raw_write_lock_irq(lock);
}
@@ -329,7 +329,7 @@ EXPORT_SYMBOL(_raw_write_lock_irq);
#endif

#ifndef CONFIG_INLINE_WRITE_LOCK_BH
-void __lockfunc _raw_write_lock_bh(rwlock_t *lock)
+noinline void __lockfunc _raw_write_lock_bh(rwlock_t *lock)
{
__raw_write_lock_bh(lock);
}
@@ -337,7 +337,7 @@ EXPORT_SYMBOL(_raw_write_lock_bh);
#endif

#ifndef CONFIG_INLINE_WRITE_UNLOCK
-void __lockfunc _raw_write_unlock(rwlock_t *lock)
+noinline void __lockfunc _raw_write_unlock(rwlock_t *lock)
{
__raw_write_unlock(lock);
}
@@ -345,7 +345,7 @@ EXPORT_SYMBOL(_raw_write_unlock);
#endif

#ifndef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE
-void __lockfunc _raw_write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
+noinline void __lockfunc _raw_write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
{
__raw_write_unlock_irqrestore(lock, flags);
}
@@ -353,7 +353,7 @@ EXPORT_SYMBOL(_raw_write_unlock_irqrestore);
#endif

#ifndef CONFIG_INLINE_WRITE_UNLOCK_IRQ
-void __lockfunc _raw_write_unlock_irq(rwlock_t *lock)
+noinline void __lockfunc _raw_write_unlock_irq(rwlock_t *lock)
{
__raw_write_unlock_irq(lock);
}
@@ -361,7 +361,7 @@ EXPORT_SYMBOL(_raw_write_unlock_irq);
#endif

#ifndef CONFIG_INLINE_WRITE_UNLOCK_BH
-void __lockfunc _raw_write_unlock_bh(rwlock_t *lock)
+noinline void __lockfunc _raw_write_unlock_bh(rwlock_t *lock)
{
__raw_write_unlock_bh(lock);
}

Next message: Shukla, Santosh: "Re: [PATCHv2 4/7] KVM: SVM: Report NMI not allowed when Guest busy handling VNMI"
Previous message: Peter Geis: "Re: [BUG BISECT] phy: rockchip-inno-usb2: Sync initial otg state"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]