/* * amdtp-stream-trace.h - tracepoint definitions to dump a part of packet data * * Copyright (c) 2016 Takashi Sakamoto * Licensed under the terms of the GNU General Public License, version 2. */ #undef TRACE_SYSTEM #define TRACE_SYSTEM snd_firewire_lib #if !defined(_AMDTP_STREAM_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) #define _AMDTP_STREAM_TRACE_H #include TRACE_EVENT(in_packet, TP_PROTO(const struct amdtp_stream *s, u32 cycles, u32 cip_header[2], unsigned int payload_quadlets, unsigned int index), TP_ARGS(s, cycles, cip_header, payload_quadlets, index), TP_STRUCT__entry( __field(unsigned int, second) __field(unsigned int, cycle) __field(int, channel) __field(int, src) __field(int, dest) __field(u32, cip_header0) __field(u32, cip_header1) __field(unsigned int, payload_quadlets) __field(unsigned int, packet_index) __field(unsigned int, irq) __field(unsigned int, index) ), TP_fast_assign( __entry->second = cycles / CYCLES_PER_SECOND; __entry->cycle = cycles % CYCLES_PER_SECOND; __entry->channel = s->context->channel; __entry->src = fw_parent_device(s->unit)->node_id; __entry->dest = fw_parent_device(s->unit)->card->node_id; __entry->cip_header0 = cip_header[0]; __entry->cip_header1 = cip_header[1]; __entry->payload_quadlets = payload_quadlets; __entry->packet_index = s->packet_index; __entry->irq = !!in_interrupt(); __entry->index = index; ), TP_printk( "%02u %04u %04x %04x %02d %08x %08x %03u %02u %01u %02u", __entry->second, __entry->cycle, __entry->src, __entry->dest, __entry->channel, __entry->cip_header0, __entry->cip_header1, __entry->payload_quadlets, __entry->packet_index, __entry->irq, __entry->index) ); TRACE_EVENT(out_packet, TP_PROTO(const struct amdtp_stream *s, u32 cycles, __be32 *cip_header, unsigned int payload_length, unsigned int index), TP_ARGS(s, cycles, cip_header, payload_length, index), TP_STRUCT__entry( __field(unsigned int, second) __field(unsigned int, cycle) __field(int, channel) __field(int, src) __field(int, dest) __field(u32, cip_header0) __field(u32, cip_header1) __field(unsigned int, payload_quadlets) __field(unsigned int, packet_index) __field(unsigned int, irq) __field(unsigned int, index) ), TP_fast_assign( __entry->second = cycles / CYCLES_PER_SECOND; __entry->cycle = cycles % CYCLES_PER_SECOND; __entry->channel = s->context->channel; __entry->src = fw_parent_device(s->unit)->card->node_id; __entry->dest = fw_parent_device(s->unit)->node_id; __entry->cip_header0 = be32_to_cpu(cip_header[0]); __entry->cip_header1 = be32_to_cpu(cip_header[1]); __entry->payload_quadlets = payload_length / 4; __entry->packet_index = s->packet_index; __entry->irq = !!in_interrupt(); __entry->index = index; ), TP_printk( "%02u %04u %04x %04x %02d %08x %08x %03u %02u %01u %02u", __entry->second, __entry->cycle, __entry->src, __entry->dest, __entry->channel, __entry->cip_header0, __entry->cip_header1, __entry->payload_quadlets, __entry->packet_index, __entry->irq, __entry->index) ); #endif #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE #define TRACE_INCLUDE_FILE amdtp-stream-trace #include ='2'/>context:space:mode:
authorzhong jiang <zhongjiang@huawei.com>2017-01-24 15:18:52 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-24 16:26:14 -0800
commit3277953de2f31dd03c6375e9a9f680ac37fc9d27 (patch)
tree6ba22924faa1b82ef2f0277db10a3f5abdc44157 /sound/firewire/isight.c
parent3705ccfdd1e8b539225ce20e3925a945cc788d67 (diff)
mm: do not export ioremap_page_range symbol for external module
Recently, I've found cases in which ioremap_page_range was used incorrectly, in external modules, leading to crashes. This can be partly attributed to the fact that ioremap_page_range is lower-level, with fewer protections, as compared to the other functions that an external module would typically call. Those include: ioremap_cache ioremap_nocache ioremap_prot ioremap_uc ioremap_wc ioremap_wt ...each of which wraps __ioremap_caller, which in turn provides a safer way to achieve the mapping. Therefore, stop EXPORT-ing ioremap_page_range. Link: http://lkml.kernel.org/r/1485173220-29010-1-git-send-email-zhongjiang@huawei.com Signed-off-by: zhong jiang <zhongjiang@huawei.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Suggested-by: John Hubbard <jhubbard@nvidia.com> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'sound/firewire/isight.c')