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From: kernel test robot <lkp@intel.com>
To: Deepak Gupta <debug@rivosinc.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Christian Brauner <brauner@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Oleg Nesterov <oleg@redhat.com>,
	Eric Biederman <ebiederm@xmission.com>,
	Kees Cook <kees@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>
Cc: oe-kbuild-all@lists.linux.dev,
	Linux Memory Management List <linux-mm@kvack.org>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	linux-arch@vger.kernel.org
Subject: Re: [PATCH 22/33] riscv: signal: abstract header saving for setup_sigcontext
Date: Fri, 4 Oct 2024 09:20:32 +0800	[thread overview]
Message-ID: <202410040912.4TpCD7iU-lkp@intel.com> (raw)
In-Reply-To: <20241001-v5_user_cfi_series-v1-22-3ba65b6e550f@rivosinc.com>

Hi Deepak,

kernel test robot noticed the following build errors:

[auto build test ERROR on 9852d85ec9d492ebef56dc5f229416c925758edc]

url:    https://github.com/intel-lab-lkp/linux/commits/Deepak-Gupta/mm-Introduce-ARCH_HAS_USER_SHADOW_STACK/20241002-000937
base:   9852d85ec9d492ebef56dc5f229416c925758edc
patch link:    https://lore.kernel.org/r/20241001-v5_user_cfi_series-v1-22-3ba65b6e550f%40rivosinc.com
patch subject: [PATCH 22/33] riscv: signal: abstract header saving for setup_sigcontext
config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20241004/202410040912.4TpCD7iU-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241004/202410040912.4TpCD7iU-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410040912.4TpCD7iU-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/riscv/kernel/signal.c: In function 'save_v_state':
>> arch/riscv/kernel/signal.c:89:9: error: implicit declaration of function 'get_cpu_vector_context' [-Wimplicit-function-declaration]
      89 |         get_cpu_vector_context();
         |         ^~~~~~~~~~~~~~~~~~~~~~
>> arch/riscv/kernel/signal.c:91:9: error: implicit declaration of function 'put_cpu_vector_context' [-Wimplicit-function-declaration]
      91 |         put_cpu_vector_context();
         |         ^~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/signal.c: In function '__restore_v_state':
>> arch/riscv/kernel/signal.c:123:9: error: implicit declaration of function 'riscv_v_vstate_set_restore'; did you mean 'riscv_v_vstate_restore'? [-Wimplicit-function-declaration]
     123 |         riscv_v_vstate_set_restore(current, regs);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~
         |         riscv_v_vstate_restore


vim +/get_cpu_vector_context +89 arch/riscv/kernel/signal.c

e2c0cdfba7f699 Palmer Dabbelt 2017-07-10   70  
3fad3080e143f7 Andy Chiu      2024-10-01   71  static long save_v_state(struct pt_regs *regs, void __user *sc_vec)
8ee0b41898fa26 Greentime Hu   2023-06-05   72  {
8ee0b41898fa26 Greentime Hu   2023-06-05   73  	struct __sc_riscv_v_state __user *state;
8ee0b41898fa26 Greentime Hu   2023-06-05   74  	void __user *datap;
8ee0b41898fa26 Greentime Hu   2023-06-05   75  	long err;
8ee0b41898fa26 Greentime Hu   2023-06-05   76  
3fad3080e143f7 Andy Chiu      2024-10-01   77  	if (!IS_ENABLED(CONFIG_RISCV_ISA_V) ||
3fad3080e143f7 Andy Chiu      2024-10-01   78  		!(has_vector() && riscv_v_vstate_query(regs)))
3fad3080e143f7 Andy Chiu      2024-10-01   79  		return 0;
3fad3080e143f7 Andy Chiu      2024-10-01   80  
3fad3080e143f7 Andy Chiu      2024-10-01   81  	/* Place state to the user's signal context spac */
3fad3080e143f7 Andy Chiu      2024-10-01   82  	state = (struct __sc_riscv_v_state __user *)sc_vec;
8ee0b41898fa26 Greentime Hu   2023-06-05   83  	/* Point datap right after the end of __sc_riscv_v_state */
8ee0b41898fa26 Greentime Hu   2023-06-05   84  	datap = state + 1;
8ee0b41898fa26 Greentime Hu   2023-06-05   85  
8ee0b41898fa26 Greentime Hu   2023-06-05   86  	/* datap is designed to be 16 byte aligned for better performance */
1d20e5d437cfeb Zhongqiu Han   2024-06-20   87  	WARN_ON(!IS_ALIGNED((unsigned long)datap, 16));
8ee0b41898fa26 Greentime Hu   2023-06-05   88  
7df56cbc27e423 Andy Chiu      2024-01-15  @89  	get_cpu_vector_context();
d6c78f1ca3e8ec Andy Chiu      2024-01-15   90  	riscv_v_vstate_save(&current->thread.vstate, regs);
7df56cbc27e423 Andy Chiu      2024-01-15  @91  	put_cpu_vector_context();
7df56cbc27e423 Andy Chiu      2024-01-15   92  
8ee0b41898fa26 Greentime Hu   2023-06-05   93  	/* Copy everything of vstate but datap. */
8ee0b41898fa26 Greentime Hu   2023-06-05   94  	err = __copy_to_user(&state->v_state, &current->thread.vstate,
8ee0b41898fa26 Greentime Hu   2023-06-05   95  			     offsetof(struct __riscv_v_ext_state, datap));
8ee0b41898fa26 Greentime Hu   2023-06-05   96  	/* Copy the pointer datap itself. */
869436dae72acf Ben Dooks      2023-11-23   97  	err |= __put_user((__force void *)datap, &state->v_state.datap);
8ee0b41898fa26 Greentime Hu   2023-06-05   98  	/* Copy the whole vector content to user space datap. */
8ee0b41898fa26 Greentime Hu   2023-06-05   99  	err |= __copy_to_user(datap, current->thread.vstate.datap, riscv_v_vsize);
8ee0b41898fa26 Greentime Hu   2023-06-05  100  	if (unlikely(err))
3fad3080e143f7 Andy Chiu      2024-10-01  101  		return -EFAULT;
8ee0b41898fa26 Greentime Hu   2023-06-05  102  
3fad3080e143f7 Andy Chiu      2024-10-01  103  	/* Only return the size if everything has done successfully  */
3fad3080e143f7 Andy Chiu      2024-10-01  104  	return riscv_v_sc_size;
8ee0b41898fa26 Greentime Hu   2023-06-05  105  }
8ee0b41898fa26 Greentime Hu   2023-06-05  106  
8ee0b41898fa26 Greentime Hu   2023-06-05  107  /*
8ee0b41898fa26 Greentime Hu   2023-06-05  108   * Restore Vector extension context from the user's signal frame. This function
8ee0b41898fa26 Greentime Hu   2023-06-05  109   * assumes a valid extension header. So magic and size checking must be done by
8ee0b41898fa26 Greentime Hu   2023-06-05  110   * the caller.
8ee0b41898fa26 Greentime Hu   2023-06-05  111   */
8ee0b41898fa26 Greentime Hu   2023-06-05  112  static long __restore_v_state(struct pt_regs *regs, void __user *sc_vec)
8ee0b41898fa26 Greentime Hu   2023-06-05  113  {
8ee0b41898fa26 Greentime Hu   2023-06-05  114  	long err;
8ee0b41898fa26 Greentime Hu   2023-06-05  115  	struct __sc_riscv_v_state __user *state = sc_vec;
8ee0b41898fa26 Greentime Hu   2023-06-05  116  	void __user *datap;
8ee0b41898fa26 Greentime Hu   2023-06-05  117  
c27fa53b858b4e Björn Töpel    2024-04-03  118  	/*
c27fa53b858b4e Björn Töpel    2024-04-03  119  	 * Mark the vstate as clean prior performing the actual copy,
c27fa53b858b4e Björn Töpel    2024-04-03  120  	 * to avoid getting the vstate incorrectly clobbered by the
c27fa53b858b4e Björn Töpel    2024-04-03  121  	 *  discarded vector state.
c27fa53b858b4e Björn Töpel    2024-04-03  122  	 */
c27fa53b858b4e Björn Töpel    2024-04-03 @123  	riscv_v_vstate_set_restore(current, regs);
c27fa53b858b4e Björn Töpel    2024-04-03  124  
8ee0b41898fa26 Greentime Hu   2023-06-05  125  	/* Copy everything of __sc_riscv_v_state except datap. */
8ee0b41898fa26 Greentime Hu   2023-06-05  126  	err = __copy_from_user(&current->thread.vstate, &state->v_state,
8ee0b41898fa26 Greentime Hu   2023-06-05  127  			       offsetof(struct __riscv_v_ext_state, datap));
8ee0b41898fa26 Greentime Hu   2023-06-05  128  	if (unlikely(err))
8ee0b41898fa26 Greentime Hu   2023-06-05  129  		return err;
8ee0b41898fa26 Greentime Hu   2023-06-05  130  
8ee0b41898fa26 Greentime Hu   2023-06-05  131  	/* Copy the pointer datap itself. */
8ee0b41898fa26 Greentime Hu   2023-06-05  132  	err = __get_user(datap, &state->v_state.datap);
8ee0b41898fa26 Greentime Hu   2023-06-05  133  	if (unlikely(err))
8ee0b41898fa26 Greentime Hu   2023-06-05  134  		return err;
8ee0b41898fa26 Greentime Hu   2023-06-05  135  	/*
8ee0b41898fa26 Greentime Hu   2023-06-05  136  	 * Copy the whole vector content from user space datap. Use
8ee0b41898fa26 Greentime Hu   2023-06-05  137  	 * copy_from_user to prevent information leak.
8ee0b41898fa26 Greentime Hu   2023-06-05  138  	 */
c27fa53b858b4e Björn Töpel    2024-04-03  139  	return copy_from_user(current->thread.vstate.datap, datap, riscv_v_vsize);
8ee0b41898fa26 Greentime Hu   2023-06-05  140  }
3fad3080e143f7 Andy Chiu      2024-10-01  141  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: Deepak Gupta <debug@rivosinc.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	"Liam R. Howlett" <Liam.Howlett@oracle.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Conor Dooley <conor@kernel.org>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Christian Brauner <brauner@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Oleg Nesterov <oleg@redhat.com>,
	Eric Biederman <ebiederm@xmission.com>,
	Kees Cook <kees@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>
Cc: oe-kbuild-all@lists.linux.dev,
	Linux Memory Management List <linux-mm@kvack.org>,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
	linux-arch@vger.kernel.org
Subject: Re: [PATCH 22/33] riscv: signal: abstract header saving for setup_sigcontext
Date: Fri, 4 Oct 2024 09:20:32 +0800	[thread overview]
Message-ID: <202410040912.4TpCD7iU-lkp@intel.com> (raw)
In-Reply-To: <20241001-v5_user_cfi_series-v1-22-3ba65b6e550f@rivosinc.com>

Hi Deepak,

kernel test robot noticed the following build errors:

[auto build test ERROR on 9852d85ec9d492ebef56dc5f229416c925758edc]

url:    https://github.com/intel-lab-lkp/linux/commits/Deepak-Gupta/mm-Introduce-ARCH_HAS_USER_SHADOW_STACK/20241002-000937
base:   9852d85ec9d492ebef56dc5f229416c925758edc
patch link:    https://lore.kernel.org/r/20241001-v5_user_cfi_series-v1-22-3ba65b6e550f%40rivosinc.com
patch subject: [PATCH 22/33] riscv: signal: abstract header saving for setup_sigcontext
config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20241004/202410040912.4TpCD7iU-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241004/202410040912.4TpCD7iU-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410040912.4TpCD7iU-lkp@intel.com/

All errors (new ones prefixed by >>):

   arch/riscv/kernel/signal.c: In function 'save_v_state':
>> arch/riscv/kernel/signal.c:89:9: error: implicit declaration of function 'get_cpu_vector_context' [-Wimplicit-function-declaration]
      89 |         get_cpu_vector_context();
         |         ^~~~~~~~~~~~~~~~~~~~~~
>> arch/riscv/kernel/signal.c:91:9: error: implicit declaration of function 'put_cpu_vector_context' [-Wimplicit-function-declaration]
      91 |         put_cpu_vector_context();
         |         ^~~~~~~~~~~~~~~~~~~~~~
   arch/riscv/kernel/signal.c: In function '__restore_v_state':
>> arch/riscv/kernel/signal.c:123:9: error: implicit declaration of function 'riscv_v_vstate_set_restore'; did you mean 'riscv_v_vstate_restore'? [-Wimplicit-function-declaration]
     123 |         riscv_v_vstate_set_restore(current, regs);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~
         |         riscv_v_vstate_restore


vim +/get_cpu_vector_context +89 arch/riscv/kernel/signal.c

e2c0cdfba7f699 Palmer Dabbelt 2017-07-10   70  
3fad3080e143f7 Andy Chiu      2024-10-01   71  static long save_v_state(struct pt_regs *regs, void __user *sc_vec)
8ee0b41898fa26 Greentime Hu   2023-06-05   72  {
8ee0b41898fa26 Greentime Hu   2023-06-05   73  	struct __sc_riscv_v_state __user *state;
8ee0b41898fa26 Greentime Hu   2023-06-05   74  	void __user *datap;
8ee0b41898fa26 Greentime Hu   2023-06-05   75  	long err;
8ee0b41898fa26 Greentime Hu   2023-06-05   76  
3fad3080e143f7 Andy Chiu      2024-10-01   77  	if (!IS_ENABLED(CONFIG_RISCV_ISA_V) ||
3fad3080e143f7 Andy Chiu      2024-10-01   78  		!(has_vector() && riscv_v_vstate_query(regs)))
3fad3080e143f7 Andy Chiu      2024-10-01   79  		return 0;
3fad3080e143f7 Andy Chiu      2024-10-01   80  
3fad3080e143f7 Andy Chiu      2024-10-01   81  	/* Place state to the user's signal context spac */
3fad3080e143f7 Andy Chiu      2024-10-01   82  	state = (struct __sc_riscv_v_state __user *)sc_vec;
8ee0b41898fa26 Greentime Hu   2023-06-05   83  	/* Point datap right after the end of __sc_riscv_v_state */
8ee0b41898fa26 Greentime Hu   2023-06-05   84  	datap = state + 1;
8ee0b41898fa26 Greentime Hu   2023-06-05   85  
8ee0b41898fa26 Greentime Hu   2023-06-05   86  	/* datap is designed to be 16 byte aligned for better performance */
1d20e5d437cfeb Zhongqiu Han   2024-06-20   87  	WARN_ON(!IS_ALIGNED((unsigned long)datap, 16));
8ee0b41898fa26 Greentime Hu   2023-06-05   88  
7df56cbc27e423 Andy Chiu      2024-01-15  @89  	get_cpu_vector_context();
d6c78f1ca3e8ec Andy Chiu      2024-01-15   90  	riscv_v_vstate_save(&current->thread.vstate, regs);
7df56cbc27e423 Andy Chiu      2024-01-15  @91  	put_cpu_vector_context();
7df56cbc27e423 Andy Chiu      2024-01-15   92  
8ee0b41898fa26 Greentime Hu   2023-06-05   93  	/* Copy everything of vstate but datap. */
8ee0b41898fa26 Greentime Hu   2023-06-05   94  	err = __copy_to_user(&state->v_state, &current->thread.vstate,
8ee0b41898fa26 Greentime Hu   2023-06-05   95  			     offsetof(struct __riscv_v_ext_state, datap));
8ee0b41898fa26 Greentime Hu   2023-06-05   96  	/* Copy the pointer datap itself. */
869436dae72acf Ben Dooks      2023-11-23   97  	err |= __put_user((__force void *)datap, &state->v_state.datap);
8ee0b41898fa26 Greentime Hu   2023-06-05   98  	/* Copy the whole vector content to user space datap. */
8ee0b41898fa26 Greentime Hu   2023-06-05   99  	err |= __copy_to_user(datap, current->thread.vstate.datap, riscv_v_vsize);
8ee0b41898fa26 Greentime Hu   2023-06-05  100  	if (unlikely(err))
3fad3080e143f7 Andy Chiu      2024-10-01  101  		return -EFAULT;
8ee0b41898fa26 Greentime Hu   2023-06-05  102  
3fad3080e143f7 Andy Chiu      2024-10-01  103  	/* Only return the size if everything has done successfully  */
3fad3080e143f7 Andy Chiu      2024-10-01  104  	return riscv_v_sc_size;
8ee0b41898fa26 Greentime Hu   2023-06-05  105  }
8ee0b41898fa26 Greentime Hu   2023-06-05  106  
8ee0b41898fa26 Greentime Hu   2023-06-05  107  /*
8ee0b41898fa26 Greentime Hu   2023-06-05  108   * Restore Vector extension context from the user's signal frame. This function
8ee0b41898fa26 Greentime Hu   2023-06-05  109   * assumes a valid extension header. So magic and size checking must be done by
8ee0b41898fa26 Greentime Hu   2023-06-05  110   * the caller.
8ee0b41898fa26 Greentime Hu   2023-06-05  111   */
8ee0b41898fa26 Greentime Hu   2023-06-05  112  static long __restore_v_state(struct pt_regs *regs, void __user *sc_vec)
8ee0b41898fa26 Greentime Hu   2023-06-05  113  {
8ee0b41898fa26 Greentime Hu   2023-06-05  114  	long err;
8ee0b41898fa26 Greentime Hu   2023-06-05  115  	struct __sc_riscv_v_state __user *state = sc_vec;
8ee0b41898fa26 Greentime Hu   2023-06-05  116  	void __user *datap;
8ee0b41898fa26 Greentime Hu   2023-06-05  117  
c27fa53b858b4e Björn Töpel    2024-04-03  118  	/*
c27fa53b858b4e Björn Töpel    2024-04-03  119  	 * Mark the vstate as clean prior performing the actual copy,
c27fa53b858b4e Björn Töpel    2024-04-03  120  	 * to avoid getting the vstate incorrectly clobbered by the
c27fa53b858b4e Björn Töpel    2024-04-03  121  	 *  discarded vector state.
c27fa53b858b4e Björn Töpel    2024-04-03  122  	 */
c27fa53b858b4e Björn Töpel    2024-04-03 @123  	riscv_v_vstate_set_restore(current, regs);
c27fa53b858b4e Björn Töpel    2024-04-03  124  
8ee0b41898fa26 Greentime Hu   2023-06-05  125  	/* Copy everything of __sc_riscv_v_state except datap. */
8ee0b41898fa26 Greentime Hu   2023-06-05  126  	err = __copy_from_user(&current->thread.vstate, &state->v_state,
8ee0b41898fa26 Greentime Hu   2023-06-05  127  			       offsetof(struct __riscv_v_ext_state, datap));
8ee0b41898fa26 Greentime Hu   2023-06-05  128  	if (unlikely(err))
8ee0b41898fa26 Greentime Hu   2023-06-05  129  		return err;
8ee0b41898fa26 Greentime Hu   2023-06-05  130  
8ee0b41898fa26 Greentime Hu   2023-06-05  131  	/* Copy the pointer datap itself. */
8ee0b41898fa26 Greentime Hu   2023-06-05  132  	err = __get_user(datap, &state->v_state.datap);
8ee0b41898fa26 Greentime Hu   2023-06-05  133  	if (unlikely(err))
8ee0b41898fa26 Greentime Hu   2023-06-05  134  		return err;
8ee0b41898fa26 Greentime Hu   2023-06-05  135  	/*
8ee0b41898fa26 Greentime Hu   2023-06-05  136  	 * Copy the whole vector content from user space datap. Use
8ee0b41898fa26 Greentime Hu   2023-06-05  137  	 * copy_from_user to prevent information leak.
8ee0b41898fa26 Greentime Hu   2023-06-05  138  	 */
c27fa53b858b4e Björn Töpel    2024-04-03  139  	return copy_from_user(current->thread.vstate.datap, datap, riscv_v_vsize);
8ee0b41898fa26 Greentime Hu   2023-06-05  140  }
3fad3080e143f7 Andy Chiu      2024-10-01  141  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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  reply	other threads:[~2024-10-04  1:21 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-01 16:06 [PATCH 00/33] riscv control-flow integrity for usermode Deepak Gupta
2024-10-01 16:06 ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 01/33] mm: Introduce ARCH_HAS_USER_SHADOW_STACK Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 02/33] mm: helper `is_shadow_stack_vma` to check shadow stack vma Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 03/33] riscv: Enable cbo.zero only when all harts support Zicboz Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 04/33] riscv: Add support for per-thread envcfg CSR values Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 05/33] riscv: Call riscv_user_isa_enable() only on the boot hart Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 06/33] riscv/Kconfig: enable HAVE_EXIT_THREAD for riscv Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 07/33] riscv: zicfilp / zicfiss in dt-bindings (extensions.yaml) Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-02 21:03   ` Rob Herring
2024-10-02 21:03     ` Rob Herring
2024-10-01 16:06 ` [PATCH 08/33] riscv: zicfiss / zicfilp enumeration Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 09/33] riscv: zicfiss / zicfilp extension csr and bit definitions Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 10/33] riscv: usercfi state for task and save/restore of CSR_SSP on trap entry/exit Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 11/33] riscv/mm : ensure PROT_WRITE leads to VM_READ | VM_WRITE Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 12/33] riscv mm: manufacture shadow stack pte Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 13/33] riscv mmu: teach pte_mkwrite to manufacture shadow stack PTEs Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 14/33] riscv mmu: write protect and shadow stack Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 15/33] riscv/mm: Implement map_shadow_stack() syscall Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 16/33] riscv/shstk: If needed allocate a new shadow stack on clone Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-07  8:17   ` Zong Li
2024-10-07  8:17     ` Zong Li
2024-10-07 23:30     ` Deepak Gupta
2024-10-07 23:30       ` Deepak Gupta
2024-10-08  5:16       ` Zong Li
2024-10-08  5:16         ` Zong Li
2024-10-08  5:31         ` Deepak Gupta
2024-10-08  5:31           ` Deepak Gupta
2024-10-08  6:18           ` Zong Li
2024-10-08  6:18             ` Zong Li
2024-10-08  6:27             ` Deepak Gupta
2024-10-08  6:27               ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 17/33] prctl: arch-agnostic prctl for shadow stack Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:15   ` Mark Brown
2024-10-01 16:15     ` Mark Brown
2024-10-01 21:46     ` Deepak Gupta
2024-10-01 21:46       ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 18/33] prctl: arch-agnostic prctl for indirect branch tracking Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 19/33] riscv: Implements arch agnostic shadow stack prctls Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 20/33] riscv: Implements arch agnostic indirect branch tracking prctls Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 21/33] riscv/traps: Introduce software check exception Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 22/33] riscv: signal: abstract header saving for setup_sigcontext Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-04  1:20   ` kernel test robot [this message]
2024-10-04  1:20     ` kernel test robot
2024-10-01 16:06 ` [PATCH 23/33] riscv signal: save and restore of shadow stack for signal Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 24/33] riscv/kernel: update __show_regs to print shadow stack register Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 25/33] riscv/ptrace: riscv cfi status and state via ptrace and in core files Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 26/33] riscv/hwprobe: zicfilp / zicfiss enumeration in hwprobe Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 27/33] riscv: Add Firmware Feature SBI extensions definitions Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 28/33] riscv: enable kernel access to shadow stack memory via FWFT sbi call Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 29/33] riscv: kernel command line option to opt out of user cfi Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 30/33] riscv: create a config for shadow stack and landing pad instr support Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 31/33] riscv: Documentation for landing pad / indirect branch tracking Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 32/33] riscv: Documentation for shadow stack on riscv Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-01 16:06 ` [PATCH 33/33] kselftest/riscv: kselftest for user mode cfi Deepak Gupta
2024-10-01 16:06   ` Deepak Gupta
2024-10-02 23:18   ` Shuah Khan
2024-10-02 23:18     ` Shuah Khan
2024-10-03 11:03     ` Mark Brown
2024-10-03 11:03       ` Mark Brown
2024-10-03 23:04       ` Shuah Khan
2024-10-03 23:04         ` Shuah Khan
2024-10-03 23:12         ` Edgecombe, Rick P
2024-10-03 23:12           ` Edgecombe, Rick P
2024-10-04 18:59     ` Deepak Gupta
2024-10-04 18:59       ` Deepak Gupta
2024-10-06 13:29 ` [PATCH 00/33] riscv control-flow integrity for usermode patchwork-bot+linux-riscv
2024-10-06 13:29   ` patchwork-bot+linux-riscv

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