diff options
| author | Nicolai Stange <nstange@suse.de> | 2018-07-29 13:15:33 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-15 19:14:52 +0300 |
| commit | 8574df1a8741f6cce1f2fbdd921b07adeec8d932 (patch) | |
| tree | c1364da6136da6bfe06b46568d048aa883bac1ed /drivers/pci | |
| parent | e371c92e168df9c0713bd4085fbb8501d88b297a (diff) | |
| download | linux-8574df1a8741f6cce1f2fbdd921b07adeec8d932.tar.xz | |
x86: Don't include linux/irq.h from asm/hardirq.h
commit 447ae316670230d7d29430e2cbf1f5db4f49d14c upstream
The next patch in this series will have to make the definition of
irq_cpustat_t available to entering_irq().
Inclusion of asm/hardirq.h into asm/apic.h would cause circular header
dependencies like
asm/smp.h
asm/apic.h
asm/hardirq.h
linux/irq.h
linux/topology.h
linux/smp.h
asm/smp.h
or
linux/gfp.h
linux/mmzone.h
asm/mmzone.h
asm/mmzone_64.h
asm/smp.h
asm/apic.h
asm/hardirq.h
linux/irq.h
linux/irqdesc.h
linux/kobject.h
linux/sysfs.h
linux/kernfs.h
linux/idr.h
linux/gfp.h
and others.
This causes compilation errors because of the header guards becoming
effective in the second inclusion: symbols/macros that had been defined
before wouldn't be available to intermediate headers in the #include chain
anymore.
A possible workaround would be to move the definition of irq_cpustat_t
into its own header and include that from both, asm/hardirq.h and
asm/apic.h.
However, this wouldn't solve the real problem, namely asm/harirq.h
unnecessarily pulling in all the linux/irq.h cruft: nothing in
asm/hardirq.h itself requires it. Also, note that there are some other
archs, like e.g. arm64, which don't have that #include in their
asm/hardirq.h.
Remove the linux/irq.h #include from x86' asm/hardirq.h.
Fix resulting compilation errors by adding appropriate #includes to *.c
files as needed.
Note that some of these *.c files could be cleaned up a bit wrt. to their
set of #includes, but that should better be done from separate patches, if
at all.
Signed-off-by: Nicolai Stange <nstange@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
[dwmw2: More fixes for EFI and Xen in 4.9]
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/host/pci-hyperv.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/host/pci-hyperv.c b/drivers/pci/host/pci-hyperv.c index d392a55ec0a9..b4d8ccfd9f7c 100644 --- a/drivers/pci/host/pci-hyperv.c +++ b/drivers/pci/host/pci-hyperv.c @@ -52,6 +52,8 @@ #include <linux/pci.h> #include <linux/semaphore.h> #include <linux/irqdomain.h> +#include <linux/irq.h> + #include <asm/irqdomain.h> #include <asm/apic.h> #include <linux/msi.h> |