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[PATCH] uml: add a debugging message 

Add a debugging message in the case that mapping a stub fails.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike 2007-03-06 01:42:19 -08:00 committed by Linus Torvalds
parent 7c7a89499a
commit b4cf95c69a
1 changed files with 4 additions and 1 deletions
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5
arch/um/os-Linux/skas/process.c
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@ -419,9 +419,12 @@ void map_stub_pages(int fd, unsigned long code,
.offset = code_offset .offset = code_offset
} } }); } } });
n = os_write_file(fd, &mmop, sizeof(mmop)); n = os_write_file(fd, &mmop, sizeof(mmop));
if(n != sizeof(mmop)) if(n != sizeof(mmop)){
printk("mmap args - addr = 0x%lx, fd = %d, offset = %llx\n",
code, code_fd, (unsigned long long) code_offset);
panic("map_stub_pages : /proc/mm map for code failed, " panic("map_stub_pages : /proc/mm map for code failed, "
"err = %d\n", -n); "err = %d\n", -n);
}
if ( stack ) { if ( stack ) {
__u64 map_offset; __u64 map_offset;