Eric Lee / smarc-fsl-linux-kernel

15 Mar, 2011

1 commit

  • c726b8221   MIPS: Fix GCC-4.6 'set but not used' warning in signal*.c ... Browse Code »

    GCC-4.6 can find more unused code than previous versions could.

    In the case of protected_restore_fp_context{,32}, the variable tmp is
    really used. Its use is tricky in that we really care about the side
    effects of the __put_user() calls. So we must mark tmp with
    __maybe_unused to quiet the warning.

    Signed-off-by: David Daney
    To: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/2035/
    Signed-off-by: Ralf Baechle

    David Daney
     

13 Apr, 2010

1 commit

  • d814c28ce   MIPS: Move signal trampolines off of the stack. ... Browse Code »

    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
    To: linux-mips@linux-mips.org
    Patchwork: http://patchwork.linux-mips.org/patch/974/
    Signed-off-by: Ralf Baechle

    David Daney
     

17 Dec, 2009

1 commit

28 Feb, 2009

1 commit

11 Oct, 2008

1 commit

12 Oct, 2007

1 commit

01 Aug, 2007

1 commit

27 Jun, 2007

1 commit

09 May, 2007

1 commit

20 Apr, 2007

2 commits

  • faea62346   [MIPS] Retry {save,restore}_fp_context if failed in atomic context. ... Browse Code »

    The save_fp_context()/restore_fp_context() might sleep on accessing
    user stack and therefore might lose FPU ownership in middle of them.

    If these function failed due to "in_atomic" test in do_page_fault,
    touch the sigcontext area in non-atomic context and retry these
    save/restore operation.

    This is a replacement of a (broken) fix which was titled "Allow CpU
    exception in kernel partially".

    Signed-off-by: Atsushi Nemoto
    Signed-off-by: Ralf Baechle

    Atsushi Nemoto
     
  • 5323180db   [MIPS] Disallow CpU exception in kernel again. ... Browse Code »

    The commit 4d40bff7110e9e1a97ff8c01bdd6350e9867cc10 ("Allow CpU
    exception in kernel partially") was broken. The commit was to fix
    theoretical problem but broke usual case. Revert it for now.

    Signed-off-by: Atsushi Nemoto
    Signed-off-by: Ralf Baechle

    Atsushi Nemoto
     

17 Mar, 2007

2 commits

21 Feb, 2007

1 commit

19 Feb, 2007

2 commits

14 Feb, 2007

3 commits

11 Feb, 2007

6 commits

27 Sep, 2006

3 commits

21 Mar, 2006

3 commits

22 Feb, 2006

3 commits

15 Feb, 2006

1 commit

09 Feb, 2006

1 commit

07 Feb, 2006

2 commits

10 Jan, 2006

1 commit

01 Dec, 2005

1 commit