The patch titled
x86_64: hpet restore vread
has been added to the -mm tree. Its filename is
x86_64-hpet-restore-vread.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: x86_64: hpet restore vread
From: Sebastien Dugue <sebastien.dugue@xxxxxxxx>
It seems the hpet clocksource's vread method was lost in the x86_64 conversion
to clockevents. So here it is.
Signed-off-by: Sebastien Dugue <sebastien.dugue@xxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: john stultz <johnstul@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/i386/kernel/hpet.c | 10 ++++++++++
1 files changed, 10 insertions(+)
diff -puN arch/i386/kernel/hpet.c~x86_64-hpet-restore-vread arch/i386/kernel/hpet.c
--- a/arch/i386/kernel/hpet.c~x86_64-hpet-restore-vread
+++ a/arch/i386/kernel/hpet.c
@@ -255,6 +255,13 @@ static cycle_t read_hpet(void)
return (cycle_t)hpet_readl(HPET_COUNTER);
}
+#ifdef CONFIG_X86_64
+static cycle_t __vsyscall_fn vread_hpet(void)
+{
+ return readl((const void __iomem *)fix_to_virt(VSYSCALL_HPET) + 0xf0);
+}
+#endif
+
static struct clocksource clocksource_hpet = {
.name = "hpet",
.rating = 250,
@@ -263,6 +270,9 @@ static struct clocksource clocksource_hp
.shift = HPET_SHIFT,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
.resume = hpet_start_counter,
+#ifdef CONFIG_X86_64
+ .vread = vread_hpet,
+#endif
};
/*
_
Patches currently in -mm which might be from sebastien.dugue@xxxxxxxx are
x86_64-hpet-restore-vread.patch
-
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