RE: [Xen-ia64-devel] [RFC][Patch] complie error at kmap_flush_unused ininclude/linux/highmem.h

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

>From: Akio Takebe
>Sent: 2006年3月13日 17:48
>Hi,
>
>blkback.c has the following compile error.
>I don't know why this error is occurred.
>This error is sometimes occurred when I run "make world".
>
>This error caused by redifine kmap_flush_unused
>in include/linux/highmem.h and include/asm-ia64/hypervisor.h.
>I tried to remove difine kmap_flush_unused
>in include/asm-ia64/hypervisor.h, then it is good.
>Am I correct?

Agree.

Thanks,
Kevin

>
>The bellow is the compile error.
>===========================================
>  LOGO  drivers/video/logo/logo_mac_clut224.c
>  LOGO  drivers/video/logo/logo_parisc_clut224.c
>  LOGO  drivers/video/logo/logo_sgi_clut224.c
>  LOGO  drivers/video/logo/logo_sun_clut224.c
>  LOGO  drivers/video/logo/logo_superh_clut224.c
>  CC      drivers/video/fbmem.o
>  CC      drivers/video/fbmon.o
>  CC      drivers/video/fbcmap.o
>  CC      drivers/video/fbsysfs.o
>  CC      drivers/video/modedb.o
>  CC      drivers/video/fbcvt.o
>  LD      drivers/video/fb.o
>  CC      drivers/video/cfbfillrect.o
>  CC      drivers/video/cfbcopyarea.o
>  CC      drivers/video/cfbimgblt.o
>  LD      drivers/video/built-in.o
>  CC      drivers/xen/util.o
>  CC      drivers/xen/blkback/blkback.o
>In file included from include/linux/pagemap.h:10,
>                 from include/linux/blkdev.h:10,
>                 from drivers/xen/blkback/common.h:10,
>                 from drivers/xen/blkback/blkback.c:19:
>include/linux/highmem.h:24:42: macro "kmap_flush_unused" passed 1
>arguments, but takes just 0
>In file included from include/linux/pagemap.h:10,
>                 from include/linux/blkdev.h:10,
>                 from drivers/xen/blkback/common.h:10,
>                 from drivers/xen/blkback/blkback.c:19:
>include/linux/highmem.h:24: error: syntax error before '{' token
>drivers/xen/blkback/blkback.c: In function `blkif_init':
>drivers/xen/blkback/blkback.c:528: warning: implicit declaration of
>function `xen_init'
>drivers/xen/blkback/blkback.c:550: warning: ISO C90 forbids mixed
>declarations and code
>drivers/xen/blkback/blkback.c:525: warning: unused variable `page'
>make[7]: *** [drivers/xen/blkback/blkback.o] Error 1
>make[6]: *** [drivers/xen/blkback] Error 2
>make[5]: *** [drivers/xen] Error 2
>make[4]: *** [drivers] Error 2
>make[4]: Leaving directory `/home/takebe/xen-ia64-unstable.hg.060313/
>linux-2.6.16-rc5-xen0'
>make[3]: *** [build] Error 2
>make[3]: Leaving directory `/home/takebe/xen-ia64-unstable.hg.060313'
>make[2]: *** [linux-2.6-xen0-install] Error 2
>make[2]: Leaving directory `/home/takebe/xen-ia64-unstable.hg.060313'
>make[1]: *** [install-kernels] Error 1
>make[1]: Leaving directory `/home/takebe/xen-ia64-unstable.hg.060313'
>make: *** [world] Error 2
>
>
>The bellow is my patch.
>=================================
>Signed-off-by: Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>
>
>diff -r 551f7935f79a linux-2.6-xen-sparse/include/asm-ia64/hypervisor.h
>--- a/linux-2.6-xen-sparse/include/asm-ia64/hypervisor.h        Fri Mar
>10 08:25:54 2006 -0700
>+++ b/linux-2.6-xen-sparse/include/asm-ia64/hypervisor.h        Mon
>Mar
>13 18:10:16 2006 +0900
>@@ -62,7 +62,7 @@ void force_evtchn_callback(void);
> #define INVALID_P2M_ENTRY      (~0UL)
> #define __pte_ma(_x)   ((pte_t) {(_x)})
> #define phys_to_machine_mapping_valid(_x)      (1)
>-#define        kmap_flush_unused()     do {} while (0)
>+//#define      kmap_flush_unused()     do {} while (0)
> #define set_phys_to_machine(_x,_y)     do {} while (0)
> #define xen_machphys_update(_x,_y)     do {} while (0)
> #define pfn_pte_ma(_x,_y)      __pte_ma(0)
>
>Best Regards,
>
>Akio Takebe
>
>
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