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| | | | | * | h8300: generic kernel_thread()Al Viro2012-10-14
| | | | | |/ | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | | | * | cris: switch to generic kernel_execve/sys_execveAl Viro2012-10-14
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | | | * | cris: switch to generic kernel_thread()Al Viro2012-10-14
| | | | |/ | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | | * | blackfin: switch to generic sys_execve()Al Viro2012-10-14
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | | * | blackfin: convert kernel_thread() and kernel_execve() to generic onesAl Viro2012-10-14
| | | |/ | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | avr32: switch to generic sys_execve()Al Viro2012-10-15
| | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | avr32: switch to generic kernel_thread()/kernel_execve()Al Viro2012-10-15
| | |/ | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | Merge branch 'arch-tile' into no-rebasesAl Viro2012-11-28
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| | * | tile: compat rt_sigreturn gets too enthusiastic about sigaltstack errorsAl Viro2012-11-28
| | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | Merge branch 'arch-unicore32' into no-rebasesAl Viro2012-11-16
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| * \ \ \ Merge branch 'arch-microblaze' into no-rebasesAl Viro2012-11-16
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| | * | | | microblaze: switch to generic sys_execve()Al Viro2012-11-16
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | microblaze: switch to generic kernel_execve()Al Viro2012-11-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
| | * | | | microblaze: switch to generic kernel_thread()Al Viro2012-11-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
| | * | | | microblaze: Fix bug with schedule_tailMichal Simek2012-11-15
| | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Michal Simek <monstr@monstr.eu>
| * | | | | Merge branch 'arch-arm64' into no-rebasesAl Viro2012-11-16
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| | * \ \ \ \ Merge commit '6ba1bc826d160fe4f32bcb188687dcca4bdfaf3d' into arch-arm64Al Viro2012-11-16
| | |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Backmerge from mainline commit that introduced a trivial conflict in arch/arm64/kernel/process.c - a bunch of functions removed next to the place where kernel_thread() used to be. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | arm64: get rid of fork/vfork/clone wrappersAl Viro2012-10-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [fixes from Catalin Marinas folded] Acked-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | | | | | Merge branch 'arch-sparc' into no-rebasesAl Viro2012-11-16
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| | * \ \ \ \ \ \ Merge commit '517ffce4e1a03aea979fe3a18a3dd1761a24fafb' into arch-sparcAl Viro2012-11-16
| | |\ \ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Backmerge from the point in mainline where a trivial conflict had been introduced (arch/sparc/kernel/sys_sparc_64.c had grown sys_kern_features() right after where kernel_execve() used to be) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | \ \ \ \ \ \ \ Merge branch 'arch-xtensa' into no-rebasesAl Viro2012-11-16
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| * \ \ \ \ \ \ \ \ \ Merge branch 'arch-frv' into no-rebasesAl Viro2012-11-16
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| * \ \ \ \ \ \ \ \ \ \ Merge branch 'arch-s390' into no-rebasesAl Viro2012-11-16
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| | * | | | | | | | | | | s390: switch to saner kernel_execve() semanticsAl Viro2012-10-29
| | | |_|_|_|_|_|_|_|_|/ | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | | | | | | | | | Merge branch 'arch-hexagon' into no-rebasesAl Viro2012-11-16
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| | * | | | | | | | | | | hexagon: switch to generic sys_execve()Al Viro2012-10-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | | hexagon: kernel_thread()/kernel_execve() conversionAl Viro2012-10-23
| | |/ / / / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | introduce sane current_pt_regs(), use it in syscalls where needed. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | | | | | | | | | Merge branch 'arch-tile' into no-rebasesAl Viro2012-11-16
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| | * | | | | | | | | | tile: sanitize copy_thread()Al Viro2012-10-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | arch/tile: eliminate pt_regs trampolines for syscallsChris Metcalf2012-10-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using the new current_pt_regs() model, we can remove some trampolines from assembly code and call directly to the C syscall implementations. rt_sigreturn() and clone() still need some assembly wrapping, but no longer are passed a pt_regs pointer. sigaltstack() and the tilepro-specific cmpxchg_badaddr() syscalls are now just straight C. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
| | * | | | | | | | | | tile: switch to generic sys_execve()Al Viro2012-10-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | tile: support GENERIC_KERNEL_THREAD and GENERIC_KERNEL_EXECVEChris Metcalf2012-10-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Also provide an optimized current_pt_regs() while we're at it. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | Drop struct pt_regs * argument in compat_sys_execve()Al Viro2012-10-20
| | | |_|_|_|_|/ / / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | | | | | | | | Merge branch 'arch-parisc' into no-rebasesAl Viro2012-11-16
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| | * | | | | | | | | | parisc: switch to saner kernel_execve() semanticsAl Viro2012-10-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ACKed-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | parisc: optimizations in copy_thread() and friendsAl Viro2012-10-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * in user thread case the registers had been copied as part of task_struct already; no need to do it in copy_thread(). * no need to store kernel stack pointer into regs->r21; we know its offset anyway. * no need to clobber r3 in sys_fork_wrapper and friends - r28 will do just as well and *it* will be overwritten anyway. * no need to mess with storing the return address for child - it should just use syscall_exit. * no need to bother with separate stack frame for sys_clone() - just branch there and be done with that. * no need to bother with wrapper_exit - we need it only on the child_return, so let's just do it there. * use the same ksp for kernel threads and userland ones, while we are at it, and let ret_from_kernel_execve() go through the normal syscall_exit. More straightforward is better here... [fixes from jejb folded] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | parisc: switch to generic sys_execve()Al Viro2012-10-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | parisc: switch to generic kernel_execve()Al Viro2012-10-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | parisc: switch to generic kernel_thread()Al Viro2012-10-14
| | | |/ / / / / / / / | | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | | | | | | | | Merge branch 'arch-ia64' into no-rebasesAl Viro2012-11-16
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| | * | | | | | | | | | ia64: switch to generic sys_execve()Al Viro2012-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Acked-by: Tony Luck <tony.luck@intel.com> Tested-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | ia64: switch to generic kernel_thread()/kernel_execve()Al Viro2012-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Acked-by: Tony Luck <tony.luck@intel.com> Tested-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | ia64: don't mess with ar_bspstore in kernel_thread()Al Viro2012-10-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | the only thing we use that for is in copy_thread(), where the way we set it will result in rbs_size being 0. Just move that calculating rbs_size and copying rbs to non-kernel-thread side of if (user_mode(regs)) in copy_thread() and set rbs_size to 0 on kernel thread side. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | ia64: dead code in copy_thread() since 2004Al Viro2012-10-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It used to be called with NULL regs when creating idle threads on secondaries. Not used that way since wli had buried that kludge... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| | * | | | | | | | | | ia64: clone() had been unused since 2004Al Viro2012-10-14
| | |/ / / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Used to be used by kernel_thread(); dead code for 8 years... Note that it's not sys_clone/sys_clone2 - those are used just fine. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| * | | | | | | | | | Merge branch 'arch-openrisc' into no-rebasesAl Viro2012-11-16
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| | * | | | | | | | | | openrisc: use generic sys_execveJonas Bonn2012-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jonas Bonn <jonas@southpole.se>
| | * | | | | | | | | | openrisc: use generic kernel_thread/kernel_execveJonas Bonn2012-10-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Jonas Bonn <jonas@southpole.se>
| | * | | | | | | | | | openrisc: pass correct arg to schedule_tailJonas Bonn2012-10-19
| | |/ / / / / / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | schedule_tail() requires that the 'prev' task be passed as an argument to it. This arg is set in _switch, just before 'returning' to one of the ret_* functions where schedule_tail is invoked. Signed-off-by: Jonas Bonn <jonas@southpole.se>
| * | | | | | | | | | Merge branch 'execve' of ↵Al Viro2012-10-17
| |\ \ \ \ \ \ \ \ \ \ | | | |/ / / / / / / / | | |/| | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64 into no-rebases
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