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| author | Enji Cooper <ngie@FreeBSD.org> | 2017-01-19 17:03:45 +0000 |
|---|---|---|
| committer | Enji Cooper <ngie@FreeBSD.org> | 2017-01-19 17:03:45 +0000 |
| commit | ab9bd41a5aad31e664eaa6340ab7f46c1a3a5c42 (patch) | |
| tree | 0cf0a1f85822128f44b87b65fa360d33ce7c84f9 /lib/libc/x86/sys/__vdso_gettc.c | |
| parent | 3e9662dcb42e81a4d82ba2330822620c2a3eee13 (diff) | |
| download | src-ab9bd41a5aad31e664eaa6340ab7f46c1a3a5c42.tar.gz src-ab9bd41a5aad31e664eaa6340ab7f46c1a3a5c42.zip | |
Conditionalize hyperv support in gettimeofday(2) based on MK_HYPERV
The effect at runtime is negligible as the hyperv timer isn't available
except when hyperv is loaded.
This is a prerequisite for conditionalizing the header build/install out
of the build
MFC after: 3 weeks
Reviewed by: sephe
Sponsored by: Dell EMC Isilon
Differential Revision: https://reviews.freebsd.org/D9242
Notes
Notes:
svn path=/head/; revision=312418
Diffstat (limited to 'lib/libc/x86/sys/__vdso_gettc.c')
| -rw-r--r-- | lib/libc/x86/sys/__vdso_gettc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/libc/x86/sys/__vdso_gettc.c b/lib/libc/x86/sys/__vdso_gettc.c index 723db6e0874e..bf46a10e48b7 100644 --- a/lib/libc/x86/sys/__vdso_gettc.c +++ b/lib/libc/x86/sys/__vdso_gettc.c @@ -46,7 +46,7 @@ __FBSDID("$FreeBSD$"); #include <machine/cpufunc.h> #include <machine/specialreg.h> #include <dev/acpica/acpi_hpet.h> -#ifdef __amd64__ +#ifdef WANT_HYPERV #include <dev/hyperv/hyperv.h> #endif #include "libc_private.h" @@ -158,7 +158,7 @@ __vdso_init_hpet(uint32_t u) munmap((void *)new_map, PAGE_SIZE); } -#ifdef __amd64__ +#ifdef WANT_HYPERV #define HYPERV_REFTSC_DEVPATH "/dev/" HYPERV_REFTSC_DEVNAME @@ -217,7 +217,7 @@ __vdso_hyperv_tsc(struct hyperv_reftsc *tsc_ref, u_int *tc) return (ENOSYS); } -#endif /* __amd64__ */ +#endif /* WANT_HYPERV */ #pragma weak __vdso_gettc int @@ -246,7 +246,7 @@ __vdso_gettc(const struct vdso_timehands *th, u_int *tc) return (ENOSYS); *tc = *(volatile uint32_t *)(map + HPET_MAIN_COUNTER); return (0); -#ifdef __amd64__ +#ifdef WANT_HYPERV case VDSO_TH_ALGO_X86_HVTSC: if (hyperv_ref_tsc == NULL) __vdso_init_hyperv_tsc(); |