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
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
bust_spinlocks.c
// SPDX-License-Identifier: GPL-2.0
/*
* lib/bust_spinlocks.c
*
* Provides a minimal bust_spinlocks for architectures which don't
* have one of their own.
*
* bust_spinlocks() clears any spinlocks which would prevent oops, die(), BUG()
* and panic() information from reaching the user.
*/
#include <linux/kernel.h>
#include <linux/printk.h>
#include <linux/spinlock.h>
#include <linux/tty.h>
#include <linux/wait.h>
#include <linux/vt_kern.h>
#include <linux/console.h>
void bust_spinlocks(int yes)
{
if (yes) {
++oops_in_progress;
} else {
console_unblank();
if (--oops_in_progress == 0)
wake_up_klogd();
}
}
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