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Messages in this thread Complete thread (EXPERIMENTAL) |
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Wed, 26 Mar 2008 12:46:53 +0100
Ok it worked. Now I get a bunch of these:
BUG: using smp_processor_id() in preemptible [00000000] code: pidof/2471 caller is flush_ptrace_access+0xc0/0x1a0 Here ya go: commit f6a843d939ade435e060d580f5c56d958464f8a5 Author: David S. Miller <davem@davemloft.net> Date: Wed Mar 26 04:51:12 2008 -0700 [SPARC64]: flush_ptrace_access() needs preemption disable. Based upon a report by Mariusz Kozlowski. Signed-off-by: David S. Miller <davem@davemloft.net> diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c index bcf58ec..aaae865 100644 --- a/arch/sparc64/kernel/ptrace.c +++ b/arch/sparc64/kernel/ptrace.c @@ -70,6 +70,8 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, if (tlb_type == hypervisor) return; + preempt_disable(); + #ifdef DCACHE_ALIASING_POSSIBLE /* If bit 13 of the kernel address we used to access the * user page is the same as the virtual address that page @@ -108,6 +110,8 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page, for (; start < end; start += icache_line_size) flushi(start); } + + preempt_enable(); } enum sparc_regset { And this one also worked. Now I have a nice clean dmesg :) Thanks, Mariusz | ||||||||||
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