Input: Add a new serio driver for Phytium PCI PS/2 controller #200
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This driver supports Phytium PCI PS/2 controller. Signed-off-by: Cheng Quan <chengquan@phytium.com.cn> Signed-off-by: Chen Baozi <chenbaozi@phytium.com.cn> Signed-off-by: Chen Zhenhua <chenzhenhua@phytium.com.cn> Signed-off-by: Wang Yinfeng <wangyinfeng@phytium.com.cn> Signed-off-by: Hu Yeqing <huyeqing2074@phytium.com.cn>
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opsiff
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[ Upstream commit d52dea4 ] If user provides a large value (such as 0x80) for parameter prefetch_mem_region_instance in vm_bind ioctl, it will cause BIT(prefetch_region) overflow as below: " ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in drivers/gpu/drm/xe/xe_vm.c:3414:7 shift exponent 128 is too large for 64-bit type 'long unsigned int' CPU: 8 UID: 0 PID: 53120 Comm: xe_exec_system_ Tainted: G W 6.18.0-rc1-lgci-xe-kernel+ deepin-community#200 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: ASUS System Product Name/PRIME Z790-P WIFI, BIOS 0812 02/24/2023 Call Trace: <TASK> dump_stack_lvl+0xa0/0xc0 dump_stack+0x10/0x20 ubsan_epilogue+0x9/0x40 __ubsan_handle_shift_out_of_bounds+0x10e/0x170 ? mutex_unlock+0x12/0x20 xe_vm_bind_ioctl.cold+0x20/0x3c [xe] ... " Fix it by validating prefetch_region before the BIT() usage. v2: Add Closes and Cc stable kernels. (Matt) Reported-by: Koen Koning <koen.koning@intel.com> Reported-by: Peter Senna Tschudin <peter.senna@linux.intel.com> Fixes: dd08ebf ("drm/xe: Introduce a new DRM driver for Intel GPUs") Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/6478 Cc: <stable@vger.kernel.org> # v6.8+ Reviewed-by: Matthew Auld <matthew.auld@intel.com> Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com> Signed-off-by: Matthew Auld <matthew.auld@intel.com> Link: https://patch.msgid.link/20251112181005.2120521-2-shuicheng.lin@intel.com (cherry picked from commit 8f565bdd14eec5611cc041dba4650e42ccdf71d9) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> (cherry picked from commit d52dea4) Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org> (cherry picked from commit 23ba534d73c6f7fa76eaeaa2b96e1719cd310bc4) Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
lanlanxiyiji
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Dec 22, 2025
This driver supports Phytium PCI PS/2 controller. Signed-off-by: Cheng Quan <chengquan@phytium.com.cn> Signed-off-by: Chen Baozi <chenbaozi@phytium.com.cn> Signed-off-by: Chen Zhenhua <chenzhenhua@phytium.com.cn> Signed-off-by: Wang Yinfeng <wangyinfeng@phytium.com.cn> Signed-off-by: Hu Yeqing <huyeqing2074@phytium.com.cn> Link: #200 [ drop pcim_iounmap_regions for v6.18, see ebf7547 ("mtip32xx: Remove unnecessary pcim_iounmap_regions() calls") ] (cherry picked from commit 3ba5c5c) Signed-off-by: Wentao Guan <guanwentao@uniontech.com>
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This driver supports Phytium PCI PS/2 controller.