diff options
author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-13 15:25:59 +0100 |
---|---|---|
committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-07-13 15:25:59 +0100 |
commit | 30beab1491f0b96b2f23d3fb68af01fd921a16d8 (patch) | |
tree | c580bdc0846269fbb10feeda901ecec1a48ee2ef /arch/i386/kernel/cpu/mtrr/generic.c | |
parent | 21af6c4f2aa5f63138871b4ddd77d7ebf2588c9d (diff) | |
parent | c32511e2718618f0b53479eb36e07439aa363a74 (diff) | |
download | op-kernel-dev-30beab1491f0b96b2f23d3fb68af01fd921a16d8.zip op-kernel-dev-30beab1491f0b96b2f23d3fb68af01fd921a16d8.tar.gz |
Merge with /shiny/git/linux-2.6/.git
Diffstat (limited to 'arch/i386/kernel/cpu/mtrr/generic.c')
-rw-r--r-- | arch/i386/kernel/cpu/mtrr/generic.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/i386/kernel/cpu/mtrr/generic.c b/arch/i386/kernel/cpu/mtrr/generic.c index 64d91f7..169ac8e 100644 --- a/arch/i386/kernel/cpu/mtrr/generic.c +++ b/arch/i386/kernel/cpu/mtrr/generic.c @@ -67,13 +67,6 @@ void __init get_mtrr_state(void) mtrr_state.enabled = (lo & 0xc00) >> 10; } -/* Free resources associated with a struct mtrr_state */ -void __init finalize_mtrr_state(void) -{ - kfree(mtrr_state.var_ranges); - mtrr_state.var_ranges = NULL; -} - /* Some BIOS's are fucked and don't set all MTRRs the same! */ void __init mtrr_state_warn(void) { @@ -334,6 +327,9 @@ static void generic_set_mtrr(unsigned int reg, unsigned long base, */ { unsigned long flags; + struct mtrr_var_range *vr; + + vr = &mtrr_state.var_ranges[reg]; local_irq_save(flags); prepare_set(); @@ -342,11 +338,15 @@ static void generic_set_mtrr(unsigned int reg, unsigned long base, /* The invalid bit is kept in the mask, so we simply clear the relevant mask register to disable a range. */ mtrr_wrmsr(MTRRphysMask_MSR(reg), 0, 0); + memset(vr, 0, sizeof(struct mtrr_var_range)); } else { - mtrr_wrmsr(MTRRphysBase_MSR(reg), base << PAGE_SHIFT | type, - (base & size_and_mask) >> (32 - PAGE_SHIFT)); - mtrr_wrmsr(MTRRphysMask_MSR(reg), -size << PAGE_SHIFT | 0x800, - (-size & size_and_mask) >> (32 - PAGE_SHIFT)); + vr->base_lo = base << PAGE_SHIFT | type; + vr->base_hi = (base & size_and_mask) >> (32 - PAGE_SHIFT); + vr->mask_lo = -size << PAGE_SHIFT | 0x800; + vr->mask_hi = (-size & size_and_mask) >> (32 - PAGE_SHIFT); + + mtrr_wrmsr(MTRRphysBase_MSR(reg), vr->base_lo, vr->base_hi); + mtrr_wrmsr(MTRRphysMask_MSR(reg), vr->mask_lo, vr->mask_hi); } post_set(); |