On Wed, Oct 31, 2001 at 05:16:03PM +0000, Luís Henriques wrote: > Hi! > > I am trying to change the flags of a user process from a lkm to enable > breakpoint exceptions in that process. > > I thought that it was just to look for the task_struct of that process (e.g., > with for_each_task, looking for it's known PID) and change its tss structure. > However, this is not working! Anyone can explain me why? With 2.4, the TSS is not used (much), I believe that eflags are either stored in task_struct, or otherwise they are not reloaded for each process. Someone willl probably correct me on the last part. -- Mark Zealey (aka JALH on irc.openprojects.net: #zealos and many more) mark@zealos.org mark@itsolve.co.uk UL++++>$ G!>(GCM/GCS/GS/GM) dpu? s:-@ a16! C++++>$ P++++>+++++$ L+++>+++++$ !E---? W+++>$ N- !o? !w--- O? !M? !V? !PS !PE--@ PGP+? r++ !t---?@ !X---? !R- b+ !tv b+ DI+ D+? G+++ e>+++++ !h++* r!-- y-- (www.geekcode.com) - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/
