From: kbuild test robot <lkp@intel.com>
To: Michel Thierry <michel.thierry@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>,
kbuild-all@01.org
Subject: [drm-intel:drm-intel-next-queued 4/4] include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen12_fwtable_read8' - different lock contexts for basic block
Date: Thu, 3 Oct 2019 05:27:45 +0800 [thread overview]
Message-ID: <201910030513.1uErE1Fe%lkp@intel.com> (raw)
tree: git://anongit.freedesktop.org/drm-intel drm-intel-next-queued
head: cf82d9ddd3b5203dea5561dfabd1216b8159af37
commit: cf82d9ddd3b5203dea5561dfabd1216b8159af37 [4/4] drm/i915/tgl: Introduce gen12 forcewake ranges
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-rc1-37-gd466a02-dirty
git checkout cf82d9ddd3b5203dea5561dfabd1216b8159af37
make ARCH=x86_64 allmodconfig
make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen12_fwtable_read8' - different lock contexts for basic block
>> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen12_fwtable_read16' - different lock contexts for basic block
>> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen12_fwtable_read32' - different lock contexts for basic block
>> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen12_fwtable_read64' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen11_fwtable_read8' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen11_fwtable_read16' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen11_fwtable_read32' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen11_fwtable_read64' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'fwtable_read8' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'fwtable_read16' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'fwtable_read32' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'fwtable_read64' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen6_read8' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen6_read16' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen6_read32' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen6_read64' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen6_write8' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen6_write16' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen6_write32' - different lock contexts for basic block
>> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen12_fwtable_write8' - different lock contexts for basic block
>> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen12_fwtable_write16' - different lock contexts for basic block
>> include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen12_fwtable_write32' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen11_fwtable_write8' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen11_fwtable_write16' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen11_fwtable_write32' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'fwtable_write8' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'fwtable_write16' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'fwtable_write32' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen8_write8' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen8_write16' - different lock contexts for basic block
include/linux/spinlock.h:393:9: sparse: sparse: context imbalance in 'gen8_write32' - different lock contexts for basic block
vim +/gen12_fwtable_read8 +393 include/linux/spinlock.h
c2f21ce2e31286 Thomas Gleixner 2009-12-02 390
3490565b633c70 Denys Vlasenko 2015-07-13 391 static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
c2f21ce2e31286 Thomas Gleixner 2009-12-02 392 {
c2f21ce2e31286 Thomas Gleixner 2009-12-02 @393 raw_spin_unlock_irqrestore(&lock->rlock, flags);
c2f21ce2e31286 Thomas Gleixner 2009-12-02 394 }
c2f21ce2e31286 Thomas Gleixner 2009-12-02 395
:::::: The code at line 393 was first introduced by commit
:::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock
:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>
---
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