search for: traverse_pages

Displaying 6 results from an estimated 6 matches for "traverse_pages".

[PATCH] xen: xenfs: privcmd: check put_user() return code
2010 Oct 28
1
[PATCH] xen: xenfs: privcmd: check put_user() return code
...ser++); - - return 0; + return put_user(*mfnp, st->user++); } static struct vm_operations_struct privcmd_vm_ops; @@ -323,10 +321,8 @@ static long privcmd_ioctl_mmap_batch(void __user *udata) up_write(&mm->mmap_sem); if (state.err > 0) { - ret = 0; - state.user = m.arr; - traverse_pages(m.num, sizeof(xen_pfn_t), + ret = traverse_pages(m.num, sizeof(xen_pfn_t), &pagelist, mmap_return_errors, &state); } -- 1.7.0.4
[PATCH] xen: xenfs: privcmd: check put_user() return code
2010 Oct 28
1
[PATCH] xen: xenfs: privcmd: check put_user() return code
...ser++); - - return 0; + return put_user(*mfnp, st->user++); } static struct vm_operations_struct privcmd_vm_ops; @@ -323,10 +321,8 @@ static long privcmd_ioctl_mmap_batch(void __user *udata) up_write(&mm->mmap_sem); if (state.err > 0) { - ret = 0; - state.user = m.arr; - traverse_pages(m.num, sizeof(xen_pfn_t), + ret = traverse_pages(m.num, sizeof(xen_pfn_t), &pagelist, mmap_return_errors, &state); } -- 1.7.0.4
[patch 3/3] xen/privcmd: remove const modifier from declaration
2012 Sep 08
3
[patch 3/3] xen/privcmd: remove const modifier from declaration
...d.c @@ -389,7 +389,7 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) if (state.global_error && (version == 1)) { /* Write back errors in second pass. */ - state.user_mfn = (xen_pfn_t *)m.arr; + state.user_mfn = m.arr; state.err = err_array; ret = traverse_pages(m.num, sizeof(xen_pfn_t), &pagelist, mmap_return_errors_v1, &state);
[patch 3/3] xen/privcmd: remove const modifier from declaration
2012 Sep 08
3
[patch 3/3] xen/privcmd: remove const modifier from declaration
...d.c @@ -389,7 +389,7 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) if (state.global_error && (version == 1)) { /* Write back errors in second pass. */ - state.user_mfn = (xen_pfn_t *)m.arr; + state.user_mfn = m.arr; state.err = err_array; ret = traverse_pages(m.num, sizeof(xen_pfn_t), &pagelist, mmap_return_errors_v1, &state);
[PATCH] Fix mmap batch ioctl error status copy back.
2012 Sep 06
0
[PATCH] Fix mmap batch ioctl error status copy back.
...rtion(+), 1 deletion(-) diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 5386f20..e4dfa3b 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -389,7 +389,7 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) state.err = err_array; ret = traverse_pages(m.num, sizeof(xen_pfn_t), &pagelist, mmap_return_errors_v1, &state); - } else + } else if (version == 2) ret = __copy_to_user(m.err, err_array, m.num * sizeof(int)); /* If we have not had any EFAULT-like global errors then set the global -- 1.7.9.5
Need help with fixing the Xen waitqueue feature
2011 Nov 08
48
Need help with fixing the Xen waitqueue feature
The patch ''mem_event: use wait queue when ring is full'' I just sent out makes use of the waitqueue feature. There are two issues I get with the change applied: I think I got the logic right, and in my testing vcpu->pause_count drops to zero in p2m_mem_paging_resume(). But for some reason the vcpu does not make progress after the first wakeup. In my debugging there is one