Messages in this thread | | | Date | Wed, 10 Mar 2010 04:25:41 +0100 | From | Frederic Weisbecker <> | Subject | Re: [PATCH 00/12] tracing: add compat syscall support v2 |
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On Fri, Feb 26, 2010 at 04:36:55PM -0500, Jason Baron wrote: > Hi, > > Re-post to add infrastructure for compat syscall event tracing support. This > patch series also adds x86_64 arch specific support as an example consumer > of the new infrastructure. > > The new interface consists of: > > 1) int is_compat_task(void); > - most arches seem to have this already > 2) unsigned long arch_compat_syscall_addr(int nr); > - returns a pointer to the compat syscall entry corresponding to syscall 'nr' > 3) int NR_syscalls_compat; > - number of entries in the compat syscall table. > > Thus, arches that set CONFIG_FTRACE_SYSCALLS and CONFIG_COMPAT are going to > need to implement the above interfaces in order to build. Thus, I'm 'cc arch > maintainers. > > Naming. I've also introduced a couple of new syscall macros: > > ARCH_COMPAT_SYSCALL_DEFINE#N() > COMPAT_SYSCALL_DEFINE#N() > > These tack on, "arch_compat_sys" and "compat_sys" respectively, to the > beginning of the compat syscall names. > > thanks, > > -Jason
I'll review this series soon.
Thanks a lot!
> > Jason Baron (11): > x86: add NR_syscalls_compat, make ia32 syscall table visible > x86: add arch_compat_syscall_addr() > tracing: remove syscall bitmaps in preparation for compat support > tracing: add tracing support for compat syscalls > syscalls: add ARCH_COMPAT_SYSCALL_DEFINE() > x86, compat: convert ia32 layer to use ARCH_COMPAT_SYSCALL_DEFINE#N() > syscalls: add new COMPAT_SYSCALL_DEFINE#N() macro > compat: convert to use COMPAT_SYSCALL_DEFINE#N() > compat: convert fs compat to use COMPAT_SYSCALL_DEFINE#N() macros > tags: recognize syscalls > cleanup: remove arg from TRACE_SYS_ENTER_PROFILE_INIT() macro > > Heiko Carstens (1): > compat: have generic is_compat_task for !CONFIG_COMPAT > > arch/s390/include/asm/compat.h | 7 -- > arch/s390/kernel/ptrace.c | 2 +- > arch/s390/kernel/setup.c | 2 +- > arch/s390/mm/mmap.c | 2 +- > arch/x86/ia32/ia32entry.S | 53 ++++++++------- > arch/x86/ia32/sys_ia32.c | 106 ++++++++++++++-------------- > arch/x86/include/asm/compat.h | 2 + > arch/x86/kernel/ftrace.c | 11 +++ > drivers/s390/block/dasd_eckd.c | 2 +- > drivers/s390/block/dasd_ioctl.c | 1 + > drivers/s390/char/fs3270.c | 1 + > drivers/s390/char/vmcp.c | 1 + > drivers/s390/cio/chsc_sch.c | 1 + > drivers/s390/scsi/zfcp_cfdc.c | 1 + > fs/compat.c | 147 +++++++++++++++++++-------------------- > include/linux/compat.h | 9 +++ > include/linux/syscalls.h | 70 ++++++++++++------- > include/trace/syscall.h | 8 ++ > kernel/compat.c | 106 ++++++++++++++--------------- > kernel/trace/trace.h | 2 + > kernel/trace/trace_syscalls.c | 101 +++++++++++++++++++-------- > scripts/tags.sh | 8 ++- > 22 files changed, 369 insertions(+), 274 deletions(-) >
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