Messages in this thread | | | Date | Thu, 2 Jun 2022 00:10:31 +0800 | From | kernel test robot <> | Subject | [mark:arm64/ftrace/minimal-regs 5/6] arch/x86/include/asm/ftrace.h:47:32: error: initialization of 'struct pt_regs *' from 'int' makes pointer from integer without a cast |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git arm64/ftrace/minimal-regs head: b0741d059a9f19a1aa1191833140f53e41f1775a commit: c694698df7f633bcbdf8bc0edb94f4a70ed0d092 [5/6] ftrace: pass fregs to arch_ftrace_set_direct_caller() config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220602/202206020032.Mu3eiis7-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-1) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=c694698df7f633bcbdf8bc0edb94f4a70ed0d092 git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git git fetch --no-tags mark arm64/ftrace/minimal-regs git checkout c694698df7f633bcbdf8bc0edb94f4a70ed0d092 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/ftrace.h:23, from include/linux/kprobes.h:28, from include/linux/kgdb.h:19, from include/drm/drm_util.h:36, from drivers/gpu/drm/i915/display/intel_display.h:28, from drivers/gpu/drm/i915/display/intel_cdclk.h:11, from <command-line>: arch/x86/include/asm/ftrace.h:45:57: error: 'struct ftrace_regs' declared inside parameter list will not be visible outside of this definition or declaration [-Werror] 45 | static inline void arch_ftrace_set_direct_caller(struct ftrace_regs *fregs, unsigned long addr) | ^~~~~~~~~~~ arch/x86/include/asm/ftrace.h: In function 'arch_ftrace_set_direct_caller': arch/x86/include/asm/ftrace.h:47:32: error: implicit declaration of function 'ftrace_get_regs' [-Werror=implicit-function-declaration] 47 | struct pt_regs *regs = ftrace_get_regs(fregs); | ^~~~~~~~~~~~~~~ >> arch/x86/include/asm/ftrace.h:47:32: error: initialization of 'struct pt_regs *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion] In file included from include/linux/kprobes.h:28, from include/linux/kgdb.h:19, from include/drm/drm_util.h:36, from drivers/gpu/drm/i915/display/intel_display.h:28, from drivers/gpu/drm/i915/display/intel_cdclk.h:11, from <command-line>: include/linux/ftrace.h: At top level: include/linux/ftrace.h:121:40: error: conflicting types for 'ftrace_get_regs'; have 'struct pt_regs *(struct ftrace_regs *)' 121 | static __always_inline struct pt_regs *ftrace_get_regs(struct ftrace_regs *fregs) | ^~~~~~~~~~~~~~~ In file included from include/linux/ftrace.h:23, from include/linux/kprobes.h:28, from include/linux/kgdb.h:19, from include/drm/drm_util.h:36, from drivers/gpu/drm/i915/display/intel_display.h:28, from drivers/gpu/drm/i915/display/intel_cdclk.h:11, from <command-line>: arch/x86/include/asm/ftrace.h:47:32: note: previous implicit declaration of 'ftrace_get_regs' with type 'int()' 47 | struct pt_regs *regs = ftrace_get_regs(fregs); | ^~~~~~~~~~~~~~~ cc1: all warnings being treated as errors -- In file included from include/linux/ftrace.h:23, from include/linux/kprobes.h:28, from include/linux/kgdb.h:19, from include/drm/drm_util.h:36, from include/drm/drm_connector.h:32, from drivers/gpu/drm/i915/i915_drv.h:37, from drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c:14: arch/x86/include/asm/ftrace.h:45:57: error: 'struct ftrace_regs' declared inside parameter list will not be visible outside of this definition or declaration [-Werror] 45 | static inline void arch_ftrace_set_direct_caller(struct ftrace_regs *fregs, unsigned long addr) | ^~~~~~~~~~~ arch/x86/include/asm/ftrace.h: In function 'arch_ftrace_set_direct_caller': arch/x86/include/asm/ftrace.h:47:32: error: implicit declaration of function 'ftrace_get_regs' [-Werror=implicit-function-declaration] 47 | struct pt_regs *regs = ftrace_get_regs(fregs); | ^~~~~~~~~~~~~~~ >> arch/x86/include/asm/ftrace.h:47:32: error: initialization of 'struct pt_regs *' from 'int' makes pointer from integer without a cast [-Werror=int-conversion] In file included from include/linux/kprobes.h:28, from include/linux/kgdb.h:19, from include/drm/drm_util.h:36, from include/drm/drm_connector.h:32, from drivers/gpu/drm/i915/i915_drv.h:37, from drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c:14: include/linux/ftrace.h: At top level: include/linux/ftrace.h:121:40: error: conflicting types for 'ftrace_get_regs'; have 'struct pt_regs *(struct ftrace_regs *)' 121 | static __always_inline struct pt_regs *ftrace_get_regs(struct ftrace_regs *fregs) | ^~~~~~~~~~~~~~~ In file included from include/linux/ftrace.h:23, from include/linux/kprobes.h:28, from include/linux/kgdb.h:19, from include/drm/drm_util.h:36, from include/drm/drm_connector.h:32, from drivers/gpu/drm/i915/i915_drv.h:37, from drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c:14: arch/x86/include/asm/ftrace.h:47:32: note: previous implicit declaration of 'ftrace_get_regs' with type 'int()' 47 | struct pt_regs *regs = ftrace_get_regs(fregs); | ^~~~~~~~~~~~~~~ drivers/gpu/drm/i915/pxp/intel_pxp_debugfs.c:61:6: error: no previous prototype for 'intel_pxp_debugfs_register' [-Werror=missing-prototypes] 61 | void intel_pxp_debugfs_register(struct intel_pxp *pxp, struct dentry *gt_root) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors
vim +47 arch/x86/include/asm/ftrace.h
37 38 /* 39 * When a ftrace registered caller is tracing a function that is 40 * also set by a register_ftrace_direct() call, it needs to be 41 * differentiated in the ftrace_caller trampoline. To do this, we 42 * place the direct caller in the ORIG_AX part of pt_regs. This 43 * tells the ftrace_caller that there's a direct caller. 44 */ 45 static inline void arch_ftrace_set_direct_caller(struct ftrace_regs *fregs, unsigned long addr) 46 { > 47 struct pt_regs *regs = ftrace_get_regs(fregs); 48 49 /* Emulate a call */ 50 regs->orig_ax = addr; 51 } 52
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