-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Do NOT post in HTML, unless you want to look like a spammer. On Tue, Mar 06, 2007 at 08:14:47PM +0530, Pradeep Singh, TLS-Chennai wrote: > I googled for reason for using asmlinkage and found some people > saying asmlinkage is there because of historical reason of using g++ > to compile kernel in good old days.<BR> > > Is it true?<BR> No. > Second, kernelnewbies wiki gives a good explanation of why is > asmlinkage used.<BR> The wiki has the correct answer. > My second query is why are taking arguments from stack a better idea > than taking them from registers?<BR> isn't register access supossed > to be fast?<BR> Yes, but that isn't the main reason. > What am i missing here?<BR> The fact that you want the syscall arguments at a predefined location, i.e.: on the stack. If some arguments could be in a register depending on compiler optimisation, it would be impossible for the kernel to figure out. > The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. > It shall not attach any liability on the originator or HCL or its affiliates. Any views or opinions presented in > this email are solely those of the author and may not necessarily reflect the opinions of HCL or its affiliates. > Any form of reproduction, dissemination, copying, disclosure, modification, distribution and / or publication of > this message without the prior written consent of the author of this e-mail is strictly prohibited. If you have > received this email in error please delete it and notify the sender immediately. Before opening any mail and > attachments please check them for viruses and defect. I hope you *do* realise that your silly disclaimer doesn't allow you to post to mailing lists in the first place. I have CC'ed your postmaster so he can fix this. Erik - -- They're all fools. Don't worry. Darwin may be slow, but he'll eventually get them. -- Matthew Lammers in alt.sysadmin.recovery -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFF7Yan/PlVHJtIto0RAlQ8AJ9N/Nas6qEx57OcTnTGhHSQ02WDvgCfYSew rUovMSjH2iRrk5COy94s0E0= =cXy1 -----END PGP SIGNATURE----- -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
