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| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-03-05 00:16:51 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-05 13:53:43 (GMT) |
| commit | ed26dbe5ae045e5bf95c6dc27497397a3fde52e1 (patch) | |
| tree | 1270f72fe0aec31b34391deaf9a58d9f3cfe310e /arch/x86/mm | |
| parent | dc16ecf7fd1fad7436832121435d4926a81d469e (diff) | |
| download | linux-ed26dbe5ae045e5bf95c6dc27497397a3fde52e1.tar.xz | |
x86: pre-initialize boot_cpu_data.x86_phys_bits to avoid system_state tests
Impact: cleanup, micro-optimization
Pre-initialize boot_cpu_data.x86_phys_bits to a reasonable default
to remove the use of system_state tests in __virt_addr_valid()
and __phys_addr().
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/ioremap.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index a23ca5b..62773ab 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -38,8 +38,7 @@ unsigned long __phys_addr(unsigned long x) } else { VIRTUAL_BUG_ON(x < PAGE_OFFSET); x -= PAGE_OFFSET; - VIRTUAL_BUG_ON(system_state == SYSTEM_BOOTING ? x > MAXMEM : - !phys_addr_valid(x)); + VIRTUAL_BUG_ON(!phys_addr_valid(x)); } return x; } @@ -56,10 +55,8 @@ bool __virt_addr_valid(unsigned long x) if (x < PAGE_OFFSET) return false; x -= PAGE_OFFSET; - if (system_state == SYSTEM_BOOTING ? - x > MAXMEM : !phys_addr_valid(x)) { + if (!phys_addr_valid(x)) return false; - } } return pfn_valid(x >> PAGE_SHIFT); |