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c6594c744d
Remove the broke ref counting from as_share. The ref-count is incremented for every bind channel but never decremented. This results in VMs never being freed. Bug 1846718 Change-Id: I6253b3eab7c7471d3ed6feddb3705c49a8704bed Signed-off-by: Alex Waterman <alexw@nvidia.com> Reviewed-on: http://git-master/r/1296900 Reviewed-by: Richard Zhao <rizhao@nvidia.com> Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> Reviewed-by: Konsta Holtta <kholtta@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/*
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* GK20A Address Spaces
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*
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* Copyright (c) 2011-2015, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#ifndef AS_GK20A_H
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#define AS_GK20A_H
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#include <linux/atomic.h>
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#include <linux/cdev.h>
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#include <linux/fs.h>
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struct gk20a_as;
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struct gk20a_as_share;
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struct vm_gk20a;
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struct gk20a_as_share {
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struct gk20a_as *as;
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int id;
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struct vm_gk20a *vm;
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};
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struct gk20a_as {
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int last_share_id; /* dummy allocator for now */
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struct cdev cdev;
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struct device *node;
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};
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int gk20a_as_release_share(struct gk20a_as_share *as_share);
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/* struct file_operations driver interface */
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int gk20a_as_dev_open(struct inode *inode, struct file *filp);
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int gk20a_as_dev_release(struct inode *inode, struct file *filp);
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long gk20a_as_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
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/* if big_page_size == 0, the default big page size is used */
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int gk20a_as_alloc_share(struct gk20a_as *as, u32 big_page_size,
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u32 flags, struct gk20a_as_share **out);
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#endif
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