These are the patches to support regset in ia64. The patches are on top of Petr's ptrace cleanup patches. http://marc.info/?l=linux-ia64&m=120276611704615&w=2 Writeback regset[0] before access it to make user memory RSE is up to date. With Petr's patch, we are using access_process_vm to access user RSE. Signed-off-by: Shaohua Li <shaohua.li@xxxxxxxxx> --- fs/binfmt_elf.c | 8 ++++++++ 1 file changed, 8 insertions(+) Index: linux/fs/binfmt_elf.c =================================================================== --- linux.orig/fs/binfmt_elf.c 2008-02-25 15:19:18.000000000 +0800 +++ linux/fs/binfmt_elf.c 2008-02-25 15:20:23.000000000 +0800 @@ -1431,6 +1431,14 @@ static int fill_thread_core_info(struct unsigned int i; /* + * If regset 0 has a writeback call, do it now. On register window + * machines, this makes sure the user memory backing the register data + * is up to date + */ + if (view->regsets[0].writeback) + view->regsets[0].writeback(t->task, &view->regsets[0], 1); + + /* * NT_PRSTATUS is the one special case, because the regset data * goes into the pr_reg field inside the note contents, rather * than being the whole note contents. We fill the reset in here. - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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