scsi: mpt3sas: Pre-allocate RDPQ Array at driver boot time. - linux-dev - Linux kernel development work

diff options

author	Chaitra P B <chaitra.basappa@broadcom.com>	2018-04-24 05:28:31 -0400
committer	Martin K. Petersen <martin.petersen@oracle.com>	2018-05-08 00:34:19 -0400
commit	cd33223b59a4938f9ae890bc5ae4196398e9abe0 (patch)
tree	d109b4f2628f5656ec333124def8066dacab71d7 /tools/perf/scripts/python/bin/stackcollapse-record
parent	scsi: mpt3sas: Bug fix for big endian systems. (diff)

scsi: mpt3sas: Pre-allocate RDPQ Array at driver boot time.

Instead of allocating RDPQ array (This stores the address's of each RDPQ pools) at run time, now it will be allocated once during driver load time and same will be reused during host reset operation also (instead of allocating & freeing this buffer on the fly during every host reset operation) and then freed during driver unload. Signed-off-by: Chaitra P B <chaitra.basappa@broadcom.com> Signed-off-by: Suganath Prabu S <suganath-prabu.subramani@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')

0 files changed, 0 insertions, 0 deletions

/* Machine-specific calling sequence for `mcount' profiling function. SuperH Copyright (C) 2001, 2005 Free Software Foundation, Inc. Contributed by NIIBE Yutaka <gniibe@m17n.org> This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #include <sysdep.h> ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(_mcount) ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(_mcount),function) cfi_startproc .align 5 C_LABEL(_mcount) /* Save registers. */ mov.l r4,@-r15 cfi_adjust_cfa_offset (4) cfi_rel_offset (r4, 0) mov.l r5,@-r15 cfi_adjust_cfa_offset (4) cfi_rel_offset (r5, 0) mov.l r6,@-r15 cfi_adjust_cfa_offset (4) cfi_rel_offset (r6, 0) mov.l r7,@-r15 cfi_adjust_cfa_offset (4) cfi_rel_offset (r7, 0) sts.l pr,@-r15 cfi_adjust_cfa_offset (4) cfi_rel_offset (pr, 0) mov.l @(20,r15),r4 sts pr,r5 #ifdef SHARED mov.l 0f,r1 mova 0f,r0 add r1,r0 mov.l 1f,r1 mov.l @(r0,r1),r1 #else mov.l 1f,r1 #endif jsr @r1 nop /* Pop the saved registers. */ lds.l @r15+,pr mov.l @r15+,r7 mov.l @r15+,r6 mov.l @r15+,r5 rts mov.l @r15+,r4 .align 2 #ifdef SHARED 0: .long _GLOBAL_OFFSET_TABLE_ 1: .long C_SYMBOL_NAME(__mcount_internal)@GOT #else 1: .long C_SYMBOL_NAME(__mcount_internal) #endif cfi_endproc ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(_mcount)) #undef mcount weak_alias (_mcount, mcount)


context:
space:
mode: