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2010-04-12MIPS: Move signal trampolines off of the stack.David Daney
This is a follow on to the vdso patch. Since all processes now have signal trampolines permanently mapped, we can use those instead of putting the trampoline on the stack and invalidating the corresponding icache across all CPUs. We also get rid of a bunch of ICACHE_REFILLS_WORKAROUND_WAR code. [Ralf: GDB 7.1 which has the necessary modifications to allow backtracing over signal frames will supposedly be released tomorrow. The old signal frame format obsoleted by this patch exists in two variations, for sane processors and for those requiring ICACHE_REFILLS_WORKAROUND_WAR. So there was never a GDB which did support backtracing over signal frames on all MIPS systems. This convinved me this series should be applied and pushed upstream as soon as possible.] Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/974/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-10-11[MIPS] Fix "no space between function name and open parenthesis" warnings.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-06-26[MIPS] use compat_siginfo in rt_sigframe_n32Pavel Kiryukhin
Signed-off-by: Pavel Kiryukhin <vksavl@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-05-08header cleaning: don't include smp_lock.h when not usedRandy Dunlap
Remove includes of <linux/smp_lock.h> where it is not used/needed. Suggested by Al Viro. Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc, sparc64, and arm (all 59 defconfigs). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-03-17[MIPS] Check FCSR for pending interrupts, alternative versionAtsushi Nemoto
Commit 6d6671066a311703bca1b91645bb1e04cc983387 is incomplete and misses non-r4k CPUs. This patch reverts the commit and fixes in other way. o Do FCSR checking in caller of restore_fp_context. o Send SIGFPE if the signal handler set any FPU exception bits. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-18[MIPS] signals: Share even more code.Ralf Baechle
native and compat do_signal and handle_signal are identical and can easily be unified. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-13[MIPS] Fix sigset_t endianess swapping issues in 32-bit compat code.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-13[MIPS] signals: make common _BLOCKABLE macroFranck Bui-Huu
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-13[MIPS] signal: Move {restore,setup}_sigcontext prototypes to their userRalf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-10[MIPS] signal: do not use save_static_function() anymoreFranck Bui-Huu
This macro was used to save static registers before calling sys_sigsuspend() and sys_sigreturn(). For the sys_sigreturn() case, there's no point to save them since they have been already saved by setup_sigcontext() before calling the signal handler. For the sys_sigsuspend() case, I don't see any reasons... Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-10[MIPS] signal: factorize debug codeFranck Bui-Huu
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-10[MIPS] signal: clean up sigframe structureFranck Bui-Huu
This patch makes 'struct sigframe' declaration avalaible for all signals code. It allows signal32 to not have its own declaration. This patch also removes all ICACHE_REFILLS_WORKAROUND_WAR tests in structure declaration and hopefully make them more readable. Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-02-06[MIPS] Whitespace cleanups.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-11-30[MIPS] Fix double inclusionsNicolas Kaiser
Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-10-02[PATCH] BLOCK: Revert patch to hack around undeclared sigset_t in linux/compat.hDavid Howells
Revert Andrew Morton's patch to temporarily hack around the lack of a declaration of sigset_t in linux/compat.h to make the block-disablement patches build on IA64. This got accidentally pushed to Linus and should be fixed in a different manner. Also make linux/compat.h #include asm/signal.h to gain a definition of sigset_t so that it can externally declare sigset_from_compat(). This has been compile-tested for i386, x86_64, ia64, mips, mips64, frv, ppc and ppc64 and run-tested on frv. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-09-30[PATCH] BLOCK: Move extern declarations out of fs/*.c into header files [try #6]David Howells
Create a new header file, fs/internal.h, for common definitions local to the sources in the fs/ directory. Move extern definitions that should be in header files from fs/*.c to fs/internal.h or other main header files where they span directories. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2006-03-21[MIPS] fix wrong __user usage in _sysn32_rt_sigsuspendAtsushi Nemoto
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-03-21[MIPS] Signal cleanupAtsushi Nemoto
Move function prototypes to asm/signal.h to detect trivial errors and add some __user tags to get rid of sparse warnings. Generated code should not be changed. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-02-21[MIPS] N32: Fix N32 rt_sigtimedwait and rt_sigsuspend breakage.Ralf Baechle
Originally found through an oops in the Gentoo N32 userland build; patch based on original patch by Daniel Jacobwitz. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-02-14[MIPS] Fix typo in _sys32_rt_sigreturn and _sysn32_rt_sigreturn.Atsushi Nemoto
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-02-08[MIPS] Add support for TIF_RESTORE_SIGMASK.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---
2006-02-07[MIPS] Fix minor sparse warningsAtsushi Nemoto
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2006-02-07[MIPS] Sparse: Add some __user tags to signal functions.Atsushi Nemoto
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29Setup_frame is now returning a success value.Ralf Baechle
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-10-29Redo RM9000 workaround which along with other DSP ASE changes wasRalf Baechle
causing some headache for debuggers knowing about signal frames. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2005-04-16Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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