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| author |   Andy Lutomirski <luto@kernel.org> | 2015-12-10 19:20:20 -0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2015-12-11 08:56:03 +0100 |
| commit | dac16fba6fc590fa7239676b35ed75dae4c4cd2b (patch) | |
| tree | 8e5d09cdbba5f5378ff8e62f8773674827116d3a /arch/x86/entry/vdso/vdso2c.c | |
| parent | x86, vdso, pvclock: Simplify and speed up the vdso pvclock reader (diff) | |
| download | linux-dev-dac16fba6fc590fa7239676b35ed75dae4c4cd2b.tar.xz linux-dev-dac16fba6fc590fa7239676b35ed75dae4c4cd2b.zip | |
x86/vdso: Get pvclock data from the vvar VMA instead of the fixmap
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/9d37826fdc7e2d2809efe31d5345f97186859284.1449702533.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/entry/vdso/vdso2c.c')
| -rw-r--r-- | arch/x86/entry/vdso/vdso2c.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/entry/vdso/vdso2c.c b/arch/x86/entry/vdso/vdso2c.c index 785d9922b106..491020b2826d 100644 --- a/arch/x86/entry/vdso/vdso2c.c +++ b/arch/x86/entry/vdso/vdso2c.c @@ -73,6 +73,7 @@ enum { sym_vvar_start, sym_vvar_page, sym_hpet_page, + sym_pvclock_page, sym_VDSO_FAKE_SECTION_TABLE_START, sym_VDSO_FAKE_SECTION_TABLE_END, }; @@ -80,6 +81,7 @@ enum { const int special_pages[] = { sym_vvar_page, sym_hpet_page, + sym_pvclock_page, }; struct vdso_sym { @@ -91,6 +93,7 @@ struct vdso_sym required_syms[] = { [sym_vvar_start] = {"vvar_start", true}, [sym_vvar_page] = {"vvar_page", true}, [sym_hpet_page] = {"hpet_page", true}, + [sym_pvclock_page] = {"pvclock_page", true}, [sym_VDSO_FAKE_SECTION_TABLE_START] = { "VDSO_FAKE_SECTION_TABLE_START", false }, |