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SubjectRe: [PATCH 0 of 7] x86/paravirt: optimise pvop calls and register use
H. Peter Anvin wrote:
> The failing configuration was x86-64 "make allyesconfig".
>
> -hpa
>
Subject: x86/paravirt: fix missing callee-save call on pud_val

Fix missed convertion to using callee-saved calls for pud_val, which
causes a compile error when CONFIG_PARAVIRT_DEBUG is enabled.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
diff -r 452b0aa6f629 arch/x86/include/asm/paravirt.h
--- a/arch/x86/include/asm/paravirt.h Wed Jan 28 14:18:52 2009 -0800
+++ b/arch/x86/include/asm/paravirt.h Thu Jan 29 01:49:37 2009 -0800
@@ -1321,11 +1321,11 @@
pudval_t ret;

if (sizeof(pudval_t) > sizeof(long))
- ret = PVOP_CALL2(pudval_t, pv_mmu_ops.pud_val,
- pud.pud, (u64)pud.pud >> 32);
+ ret = PVOP_CALLEE2(pudval_t, pv_mmu_ops.pud_val,
+ pud.pud, (u64)pud.pud >> 32);
else
- ret = PVOP_CALL1(pudval_t, pv_mmu_ops.pud_val,
- pud.pud);
+ ret = PVOP_CALLEE1(pudval_t, pv_mmu_ops.pud_val,
+ pud.pud);

return ret;
}



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