diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2010-02-17 14:35:25 +0000 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2010-05-11 12:01:09 -0700 |
| commit | d19f61f098ae9315b76a97962007f687683916d4 (patch) | |
| tree | cc8c1d72932ea9883b1ef2cd315a41a08e765a9c /arch/x86/pci/mmconfig_32.c | |
| parent | 511dd98ce8cf6dc4f8f2cb32a8af31ce9f4ba4a1 (diff) | |
x86/PCI: Convert pci_config_lock to raw_spinlock
pci_config_lock must be a real spinlock in preempt-rt. Convert it to
raw_spinlock. No change for !RT kernels.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/x86/pci/mmconfig_32.c')
| -rw-r--r-- | arch/x86/pci/mmconfig_32.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/pci/mmconfig_32.c b/arch/x86/pci/mmconfig_32.c index 90d5fd476ed..a3d9c54792a 100644 --- a/arch/x86/pci/mmconfig_32.c +++ b/arch/x86/pci/mmconfig_32.c @@ -64,7 +64,7 @@ err: *value = -1; if (!base) goto err; - spin_lock_irqsave(&pci_config_lock, flags); + raw_spin_lock_irqsave(&pci_config_lock, flags); pci_exp_set_dev_base(base, bus, devfn); @@ -79,7 +79,7 @@ err: *value = -1; *value = mmio_config_readl(mmcfg_virt_addr + reg); break; } - spin_unlock_irqrestore(&pci_config_lock, flags); + raw_spin_unlock_irqrestore(&pci_config_lock, flags); return 0; } @@ -97,7 +97,7 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus, if (!base) return -EINVAL; - spin_lock_irqsave(&pci_config_lock, flags); + raw_spin_lock_irqsave(&pci_config_lock, flags); pci_exp_set_dev_base(base, bus, devfn); @@ -112,7 +112,7 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus, mmio_config_writel(mmcfg_virt_addr + reg, value); break; } - spin_unlock_irqrestore(&pci_config_lock, flags); + raw_spin_unlock_irqrestore(&pci_config_lock, flags); return 0; } |