On Tue, 1 May 2007 02:10:34 +0200 (CEST)
Roman Zippel <[email protected]> wrote:
> This finally renames the thread_info field in task structure to stack,
> so that the assumptions about this field are gone and archs have more
> freedom about placing the thread_info structure.
It needed this build fix:
--- a/include/asm-x86_64/system.h~rename-thread_info-to-stack-fix
+++ a/include/asm-x86_64/system.h
@@ -39,7 +39,7 @@
[threadrsp] "i" (offsetof(struct task_struct, thread.rsp)), \
[ti_flags] "i" (offsetof(struct thread_info, flags)),\
[tif_fork] "i" (TIF_FORK), \
- [thread_info] "i" (offsetof(struct task_struct, thread_info)), \
+ [thread_info] "i" (offsetof(struct task_struct, stack)), \
[pda_pcurrent] "i" (offsetof(struct x8664_pda, pcurrent)) \
: "memory", "cc" __EXTRA_CLOBBER)
_
It is unpleasing that this code is forced to implicitly assume that the
thing pointed to by task_struct.stack has type `struct thread_info'.
Are we sure this patch is a good thing?
-
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