Re: [PATCH 1/7] paravirtualization: header and stubs for paravirtualizing critical operations

[Andi Kleen]

On Wednesday 01 November 2006 11:27, Rusty Russell wrote:
> Create a paravirt.h header for all the critical operations which need
> to be replaced with hypervisor calls, and include that instead of
> defining native operations, when CONFIG_PARAVIRT.

Hmm, did this all ever compile in mainline? I had to do a few merges
and in the end i get

/home/lsrc/quilt/linux/kernel/spinlock.c: In function â_spin_lock_irqsaveâ:
include2/asm/spinlock.h:59: error: invalid 'asm': operand number missing after %
-letter
include2/asm/spinlock.h:59: error: invalid 'asm': operand number missing after %
-letter
include2/asm/spinlock.h:59: error: invalid 'asm': operand number missing after %
-letter
include2/asm/spinlock.h:59: error: invalid 'asm': operand number missing after %
-letter
include2/asm/spinlock.h:59: error: invalid 'asm': operand number missing after %
-letter
include2/asm/spinlock.h:59: error: invalid 'asm': operand number missing after %
-letter
include2/asm/spinlock.h:59: error: invalid 'asm': operand number missing after %
-letter
include2/asm/spinlock.h:59: error: invalid 'asm': operand number missing after %
-letter
{standard input}: Assembler messages:
{standard input}:593: Error: undefined symbol `paravirt_ops' in operation
{standard input}:593: Error: undefined symbol `PARAVIRT_irq_enable' in operation
{standard input}:605: Error: undefined symbol `paravirt_ops' in operation
{standard input}:605: Error: undefined symbol `PARAVIRT_irq_disable' in operatio
n

and lots of new warnings like

/home/lsrc/quilt/linux/arch/i386/kernel/traps.c: In function âset_intr_gateâ:
/home/lsrc/quilt/linux/arch/i386/kernel/traps.c:1165: warning: implicit declarat
ion of function â_set_gateâ
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/common.c: In function â_cpu_initâ:
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/common.c:754: warning: implicit decl
aration of function â__set_tss_descâ
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c: In function âintel_mach
ine_checkâ:
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.eaxâ 
may be used uninitialized in this function
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.ebxâ 
may be used uninitialized in this function
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.ecxâ 
may be used uninitialized in this function
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.edxâ 
may be used uninitialized in this function
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.esiâ 
may be used uninitialized in this function
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.ediâ 
may be used uninitialized in this function
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.ebpâ 
may be used uninitialized in this function
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.espâ 
may be used uninitialized in this function
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.eflag
sâ may be used uninitialized in this function
/home/lsrc/quilt/linux/arch/i386/kernel/cpu/mcheck/p4.c:158: warning: âdbg.eipâ 
may be used uninitialized in this function


This is with i386 defconfig + CONFIG_PARAVIRT

-Andi

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