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Revision 1d61754caa8c69f566504e63c8b3f3a2df0954c8 authored by Linus Torvalds on 21 October 2022, 21:43:09 UTC, committed by Linus Torvalds on 21 October 2022, 21:43:09 UTC 
Merge tag 'for-linus-6.1-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
 
Pull xen fixes from Juergen Gross:
 "Just two fixes for the new 'virtio with grants' feature"

* tag 'for-linus-6.1-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/virtio: Convert PAGE_SIZE/PAGE_SHIFT/PFN_UP to Xen counterparts
  xen/virtio: Handle cases when page offset > PAGE_SIZE properly
2 parent s 0de0b76 + a383dcb
Raw File
ashrdi3.c 
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 */

#include <linux/export.h>

#include <linux/libgcc.h>

long long notrace __ashrdi3(long long u, word_type b)
{
	DWunion uu, w;
	word_type bm;

	if (b == 0)
		return u;

	uu.ll = u;
	bm = 32 - b;

	if (bm <= 0) {
		/* w.s.high = 1..1 or 0..0 */
		w.s.high =
		    uu.s.high >> 31;
		w.s.low = uu.s.high >> -bm;
	} else {
		const unsigned int carries = (unsigned int) uu.s.high << bm;

		w.s.high = uu.s.high >> b;
		w.s.low = ((unsigned int) uu.s.low >> b) | carries;
	}

	return w.ll;
}
EXPORT_SYMBOL(__ashrdi3);
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