Replacement for get_user_pages() of Linux
I'm porting Plex86 x86 VM, which uses get_user_pages() function at Linux-version kernel module to find and pin physical pages of memory in user space (according to its documentation). I tried many candidates as its replacement (PHYS_TO_VM_PAGE() macro in vm/vm_page.h seems most useful now), but they haven't worked at all. Any experience about porting VM-related things in Linux will be appreciated. :) Byunghyun Oh octphial _at_ postech.ac.kr To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Re: Raising SIGSEGV in SIGSEGV handler makes FreeBSD loop
In article <[EMAIL PROTECTED]>, Terry Lambert <[EMAIL PROTECTED]> wrote: > Vaclav Haisman wrote: > > Besides, this doesn't explain anything. I see I haven't asked any question in > > my previous post. So, why does FreeBSD behave different? > > Because POSIX mandates that it do so? > > man 3 signal tells us: > > The handled signal is unblocked when the function returns and the process > continues from where it left off when the signal occurred. Unlike previ- > ous signal facilities, the handler func() remains installed after a sig- > nal has been delivered. POSIX mandates no such thing. You missed the part of the POSIX spec that says: The behavior of a process is undefined after it returns normally from a signal-catching function for a SIGFPE, SIGILL, SIGSEGV, or SIGBUS signal that was not generated by the kill() function, the sigqueue() function, or the raise() function as defined by the C Standard. It's in ANSI/IEEE Std 1003.1 section 3.3.1.3. POSIX permits the FreeBSD behavior but does not mandate it. John -- John Polstra John D. Polstra & Co., Inc.Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
Elaboração de cartas comerciais
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Re: Broadcom 440x support?
There are Linux drivers available for download and it seems, that the 440x and 520x drivers are very similar. I intended to make the bge driver support the 440x in my ASUS A7K8X, but have not had time to actually start that project (beyond the initial diff of the two official drivers.) If anybody is interested, I can provide the diffs, which amount to 2620 lines (diff -u1). But many differences are cosmetic ("b44_" prepended to function names and bcm5700 replaced by bcm4400 in many identifiers). The actual driver change will probably amount to just a few hundred lines, at most ... Regards, STefan On 2003-02-21 13:58 -0800, Julian Elischer <[EMAIL PROTECTED]> wrote: > We just got 40 of them... > answer.. "no" :-( > > On Fri, 21 Feb 2003, Lars Eggert wrote: > > we just got an Asus P4PE board with a Broadcom 440x NIC on it - is there > > any driver that supports it yet? To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message