diff options
author | David Daney <david.daney@cavium.com> | 2014-12-03 20:12:23 +0100 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2015-04-01 17:21:57 +0200 |
commit | 2707cd293cc2386f8eea6fee1ba72e8b190f25cc (patch) | |
tree | eaf18d32c09f61a82a2bf33746a8d93c7567753a /arch/mips/math-emu/dsemul.c | |
parent | MIPS: Update arch/mips/include/asm/sgi/sgi.h (diff) | |
download | linux-2707cd293cc2386f8eea6fee1ba72e8b190f25cc.tar.xz linux-2707cd293cc2386f8eea6fee1ba72e8b190f25cc.zip |
MIPS: Add FPU emulator counter for emulated delay slots.
Delay slot emulation in the FPU emulator is the only kernel user of an
executable stack, it is also very slow. Add a counter so we can see
how many of these emulations are done.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8634/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/math-emu/dsemul.c')
-rw-r--r-- | arch/mips/math-emu/dsemul.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c index 4f514f3724cb..58f58185f1c4 100644 --- a/arch/mips/math-emu/dsemul.c +++ b/arch/mips/math-emu/dsemul.c @@ -158,6 +158,6 @@ int do_dsemulret(struct pt_regs *xcp) /* Set EPC to return to post-branch instruction */ xcp->cp0_epc = epc; - + MIPS_FPU_EMU_INC_STATS(ds_emul); return 1; } |