Anyone wants to pick this one up?
On Sun, Aug 17, 2008 at 04:41:51AM +0200, Christoph Hellwig wrote:
> Unless I'm totally missing something get_fd_set32/set_fd_set32 are
> completely unused.
>
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
>
> Index: linux-2.6/arch/parisc/kernel/sys_parisc32.c
> ===================================================================
> --- linux-2.6.orig/arch/parisc/kernel/sys_parisc32.c 2008-08-16 23:40:26.000000000 -0300
> +++ linux-2.6/arch/parisc/kernel/sys_parisc32.c 2008-08-16 23:40:46.000000000 -0300
> @@ -284,68 +284,6 @@ int cp_compat_stat(struct kstat *stat, s
> return err;
> }
>
> -/*** copied from mips64 ***/
> -/*
> - * Ooo, nasty. We need here to frob 32-bit unsigned longs to
> - * 64-bit unsigned longs.
> - */
> -
> -static inline int
> -get_fd_set32(unsigned long n, u32 *ufdset, unsigned long *fdset)
> -{
> - n = (n + 8*sizeof(u32) - 1) / (8*sizeof(u32));
> - if (ufdset) {
> - unsigned long odd;
> -
> - if (!access_ok(VERIFY_WRITE, ufdset, n*sizeof(u32)))
> - return -EFAULT;
> -
> - odd = n & 1UL;
> - n &= ~1UL;
> - while (n) {
> - unsigned long h, l;
> - __get_user(l, ufdset);
> - __get_user(h, ufdset+1);
> - ufdset += 2;
> - *fdset++ = h << 32 | l;
> - n -= 2;
> - }
> - if (odd)
> - __get_user(*fdset, ufdset);
> - } else {
> - /* Tricky, must clear full unsigned long in the
> - * kernel fdset at the end, this makes sure that
> - * actually happens.
> - */
> - memset(fdset, 0, ((n + 1) & ~1)*sizeof(u32));
> - }
> - return 0;
> -}
> -
> -static inline void
> -set_fd_set32(unsigned long n, u32 *ufdset, unsigned long *fdset)
> -{
> - unsigned long odd;
> - n = (n + 8*sizeof(u32) - 1) / (8*sizeof(u32));
> -
> - if (!ufdset)
> - return;
> -
> - odd = n & 1UL;
> - n &= ~1UL;
> - while (n) {
> - unsigned long h, l;
> - l = *fdset++;
> - h = l >> 32;
> - __put_user(l, ufdset);
> - __put_user(h, ufdset+1);
> - ufdset += 2;
> - n -= 2;
> - }
> - if (odd)
> - __put_user(*fdset, ufdset);
> -}
> -
> struct msgbuf32 {
> int mtype;
> char mtext[1];
---end quoted text---
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