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2009-04-29tracing: x86, mmiotrace: only register for die notifier when tracer activeStuart Bennett1-0/+2
Follow up to afcfe024aebd74b0984a41af9a34e009cf5badaf in Linus' tree ("x86: mmiotrace: quieten spurious warning message") Signed-off-by: Stuart Bennett <stuart@freedesktop.org> Acked-by: Pekka Paalanen <pq@iki.fi> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <1240946271-7083-5-git-send-email-stuart@freedesktop.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-18x86: cpumask: x86 mmio-mod.c use cpumask_var_t for downed_cpusRusty Russell1-6/+13
Impact: cleanup, reduce memory usage for CONFIG_CPUMASK_OFFSTACK=y Part of the "getting rid of obsolete cpumask_t" patch: 1) Use cpumask_var_t: this is a pointer if CONFIG_CPUMASK_OFFSTACK=y 2) Call alloc_cpumask_var() on first entry into enter_uniprocessor() 3) Use modern cpumask_* functions. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Pekka Paalanen <pq@iki.fi> LKML-Reference: <200903111633.55952.rusty@rustcorp.com.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-14mmiotrace: remove left-over marker cruftPekka Paalanen1-64/+0
Signed-off-by: Pekka Paalanen <pq@iki.fi> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-14x86 mmiotrace: implement mmiotrace_printk()Pekka Paalanen1-1/+18
Offer mmiotrace users a function to inject markers from inside the kernel. This depends on the trace_vprintk() patch. Signed-off-by: Pekka Paalanen <pq@iki.fi> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-10-14x86 mmiotrace: fix a rare memory leakPekka Paalanen1-1/+3
Signed-off-by: Pekka Paalanen <pq@iki.fi> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-21x86, mmiotrace: silence section mismatch warning - leave_uniprocessorMarcin Slusarz1-1/+3
WARNING: vmlinux.o(.text+0x180af): Section mismatch in reference from the function leave_uniprocessor() to the function .cpuinit.text:cpu_up() The function leave_uniprocessor() references the function __cpuinit cpu_up(). This is often because leave_uniprocessor lacks a __cpuinit annotation or the annotation of cpu_up is wrong. leave_uniprocessor calls cpu_up only when CONFIG_HOTPLUG_CPU is set, so it can be safely annotated as __ref Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Cc: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Ingo Molnar <mingo@elte.hu> Cc: Pekka Paalanen <pq@iki.fi>
2008-05-24x86 mmiotrace: page level is unsignedPekka Paalanen1-1/+1
Fixes some sparse warnings. Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-24mmiotrace: rename kmmio_probe::user_data to :private.Pekka Paalanen1-2/+2
Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-24x86 mmiotrace: use resource_size_t for phys addressesPekka Paalanen1-5/+6
Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-24x86 mmiotrace: fix page-unaligned ioremapsPekka Paalanen1-0/+1
mmiotrace_ioremap() expects to receive the original unaligned map phys address and size. Also fix {un,}register_kmmio_probe() to deal properly with unaligned size. Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-24mmiotrace: code style cleanupsPekka Paalanen1-4/+3
From c2da03771e29159627c5c7b9509ec70bce9f91ee Mon Sep 17 00:00:00 2001 From: Pekka Paalanen <pq@iki.fi> Date: Mon, 28 Apr 2008 21:25:22 +0300 Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-24x86 mmiotrace: dynamically disable non-boot CPUsPekka Paalanen1-0/+61
From 8979ee55cb6a429c4edd72ebec2244b849f6a79a Mon Sep 17 00:00:00 2001 From: Pekka Paalanen <pq@iki.fi> Date: Sat, 12 Apr 2008 00:18:57 +0300 Mmiotrace is not reliable with multiple CPUs and may miss events. Drop to single CPU when mmiotrace is activated. Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-05-24mmiotrace: fix printk formatRandy Dunlap1-2/+3
Fix gcc printk format warnings: next-20080415/arch/x86/mm/mmio-mod.c: In function 'print_pte': next-20080415/arch/x86/mm/mmio-mod.c:154: warning: format '%lx' expects type 'long unsigned int', but argument 3 has type 'pteval_t' next-20080415/arch/x86/mm/mmio-mod.c:154: warning: format '%lx' expects type 'long unsigned int', but argument 4 has type 'pteval_t' next-20080415/arch/x86/mm/mmio-mod.c: At top level: next-20080415/arch/x86/mm/mmio-mod.c:403: warning: 'downed_cpus' defined but not used Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-24x86 mmiotrace: remove ISA_trace parameter.Pekka Paalanen1-5/+0
This had become a no-op. Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-05-24x86 mmiotrace: move files into arch/x86/mm/.Pekka Paalanen1-0/+457
Signed-off-by: Pekka Paalanen <pq@iki.fi> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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