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| author | Thomas Gleixner <tglx@linutronix.de> | 2022-11-14 00:21:15 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2022-11-17 15:58:32 +0300 |
| commit | e5dfd093eca01a5d8d967f959a2372d7d82eb59c (patch) | |
| tree | a9e32f5541221acadf6586b2a18da8b637e5f41e /include/clocksource | |
| parent | 094226ad94f471a9f19e8f8e7140a09c2625abaa (diff) | |
| download | linux-e5dfd093eca01a5d8d967f959a2372d7d82eb59c.tar.xz | |
clocksource/drivers/hyper-v: Include asm/hyperv-tlfs.h not asm/mshyperv.h
clocksource/hyperv_timer.h is included into the VDSO build. It includes
asm/mshyperv.h which in turn includes the world and some more. This worked
so far by chance, but any subtle change in the include chain results in a
build breakage because VDSO builds are building user space libraries.
Include asm/hyperv-tlfs.h instead which contains everything what the VDSO
build needs except the hv_get_raw_timer() define. Move this define into a
separate header file, which contains the prerequisites (msr.h) and is
included by clocksource/hyperv_timer.h.
Fixup drivers/hv/vmbus_drv.c which relies on the indirect include of
asm/mshyperv.h.
With that the VDSO build only pulls in the minimum requirements.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/87fsemtut0.ffs@tglx
Diffstat (limited to 'include/clocksource')
| -rw-r--r-- | include/clocksource/hyperv_timer.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/clocksource/hyperv_timer.h b/include/clocksource/hyperv_timer.h index b3f5d73ae1d6..b4a3935801ca 100644 --- a/include/clocksource/hyperv_timer.h +++ b/include/clocksource/hyperv_timer.h @@ -15,13 +15,15 @@ #include <linux/clocksource.h> #include <linux/math64.h> -#include <asm/mshyperv.h> +#include <asm/hyperv-tlfs.h> #define HV_MAX_MAX_DELTA_TICKS 0xffffffff #define HV_MIN_DELTA_TICKS 1 #ifdef CONFIG_HYPERV_TIMER +#include <asm/hyperv_timer.h> + /* Routines called by the VMbus driver */ extern int hv_stimer_alloc(bool have_percpu_irqs); extern int hv_stimer_cleanup(unsigned int cpu); |