diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2774-drm-amdkfd-Allow-the-debugger-functions-on-the-curre.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2774-drm-amdkfd-Allow-the-debugger-functions-on-the-curre.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2774-drm-amdkfd-Allow-the-debugger-functions-on-the-curre.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2774-drm-amdkfd-Allow-the-debugger-functions-on-the-curre.patch new file mode 100644 index 00000000..f6a07e46 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2774-drm-amdkfd-Allow-the-debugger-functions-on-the-curre.patch @@ -0,0 +1,58 @@ +From aff13198297c45d40810dd9e69d2a94f9a32541a Mon Sep 17 00:00:00 2001 +From: Felix Kuehling <Felix.Kuehling@amd.com> +Date: Mon, 6 May 2019 13:23:05 -0400 +Subject: [PATCH 2774/2940] drm/amdkfd: Allow the debugger functions on the + current process + +Only check that the ioctl caller is an attached debugger if it is +not targeting the current process. + +Change-Id: I8b6605620ecaec9f3b42abe937575becc4009bc6 +Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> +--- + drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 20 +++++++++++--------- + 1 file changed, 11 insertions(+), 9 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +index 1822074c53eb..4abf4f462fa1 100644 +--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c ++++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +@@ -2565,7 +2565,6 @@ static int kfd_ioctl_dbg_set_debug_trap(struct file *filep, + uint32_t data2; + uint32_t data3; + bool is_suspend_or_resume; +- bool is_debbugger_attached = false; + uint8_t id; + + debug_trap_action = args->op; +@@ -2601,16 +2600,19 @@ static int kfd_ioctl_dbg_set_debug_trap(struct file *filep, + goto out; + } + ++ if (target != p) { ++ bool is_debugger_attached = false; + +- rcu_read_lock(); +- if (ptrace_parent(target->lead_thread) == current) +- is_debbugger_attached = true; +- rcu_read_unlock(); ++ rcu_read_lock(); ++ if (ptrace_parent(target->lead_thread) == current) ++ is_debugger_attached = true; ++ rcu_read_unlock(); + +- if (!is_debbugger_attached) { +- pr_err("Cannot debug process\n"); +- r = -ESRCH; +- goto out; ++ if (!is_debugger_attached) { ++ pr_err("Cannot debug process\n"); ++ r = -ESRCH; ++ goto out; ++ } + } + + mutex_lock(&target->mutex); +-- +2.17.1 + |