Messages in this thread Patch in this message | | | From | Paolo 'Blaisorblade' Giarrusso <> | Subject | [PATCH 01/17] uml: make 64-bit COW files compatible with 32-bit ones. | Date | Fri, 07 Apr 2006 16:30:48 +0200 |
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From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
This is the minimal fix to make 64-bit UML binaries create 32-bit compatible COW files and read them. I've indeed tested that current code doesn't do this - the code gets SIGFPE for a division by a value read at the wrong place, where 0 is found.
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> ---
arch/um/drivers/cow_user.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c index 61951b7..afdf1ea 100644 --- a/arch/um/drivers/cow_user.c +++ b/arch/um/drivers/cow_user.c @@ -75,7 +75,7 @@ struct cow_header_v3 { __u32 alignment; __u32 cow_format; char backing_file[PATH_LEN_V3]; -}; +} __attribute__((packed)); /* COW format definitions - for now, we have only the usual COW bitmap */ #define COW_BITMAP 0 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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