Revision 031f196d1b1b6d5dfcb0533b431e3ab1750e6189 authored by Alex Hung on 11 January 2023, 16:54:11 UTC, committed by Alex Deucher on 02 March 2023, 03:43:19 UTC
[WHY] When PTEBufferSizeInRequests is zero, UBSAN reports the following warning because dml_log2 returns an unexpected negative value: shift exponent 4294966273 is too large for 32-bit type 'int' [HOW] In the case PTEBufferSizeInRequests is zero, skip the dml_log2() and assign the result directly. Reviewed-by: Jun Lei <Jun.Lei@amd.com> Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: Alex Hung <alex.hung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 parent 01a18aa
COPYING
The Linux Kernel is provided under:
SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
Being under the terms of the GNU General Public License version 2 only,
according with:
LICENSES/preferred/GPL-2.0
With an explicit syscall exception, as stated at:
LICENSES/exceptions/Linux-syscall-note
In addition, other licenses may also apply. Please see:
Documentation/process/license-rules.rst
for more details.
All contributions to the Linux Kernel are subject to this COPYING file.
![swh spinner](/static/img/swh-spinner.gif)
Computing file changes ...