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    Subject[PATCH 08/12] vmw_balloon: Explicitly include linux/io.h for virt_to_phys()
    Date
    iThrough a labyrinthian sequence of includes, usage of virt_to_phys() is
    dependent on the include of asm/io.h in x86's asm/realmode.h, which is
    included in x86's asm/acpi.h and thus by linux/acpi.h. Explicitly
    include linux/io.h to break the dependency on realmode.h so that a
    future patch can remove the realmode.h include from acpi.h without
    breaking the build.

    Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
    ---
    drivers/misc/vmw_balloon.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
    index 5e6be1527571..b837e7eba5f7 100644
    --- a/drivers/misc/vmw_balloon.c
    +++ b/drivers/misc/vmw_balloon.c
    @@ -17,6 +17,7 @@
    #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

    #include <linux/types.h>
    +#include <linux/io.h>
    #include <linux/kernel.h>
    #include <linux/mm.h>
    #include <linux/vmalloc.h>
    --
    2.24.0
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