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From: Will Deacon <will@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: Will Deacon <will@kernel.org>, Kees Cook <keescook@chromium.org>,
	Ingo Molnar <mingo@kernel.org>,
	Elena Reshetova <elena.reshetova@intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Hanjun Guo <guohanjun@huawei.com>
Subject: [RESEND PATCH v4 09/10] lib/refcount: Remove unused 'refcount_error_report()' function
Date: Thu, 21 Nov 2019 11:59:01 +0000	[thread overview]
Message-ID: <20191121115902.2551-10-will@kernel.org> (raw)
In-Reply-To: <20191121115902.2551-1-will@kernel.org>

'refcount_error_report()' has no callers. Remove it.

Cc: Ingo Molnar <mingo@kernel.org>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Kees Cook <keescook@chromium.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Will Deacon <will@kernel.org>
---
 include/linux/kernel.h |  7 -------
 kernel/panic.c         | 11 -----------
 2 files changed, 18 deletions(-)

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index d83d403dac2e..09f759228e3f 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -328,13 +328,6 @@ extern int oops_may_print(void);
 void do_exit(long error_code) __noreturn;
 void complete_and_exit(struct completion *, long) __noreturn;
 
-#ifdef CONFIG_ARCH_HAS_REFCOUNT
-void refcount_error_report(struct pt_regs *regs, const char *err);
-#else
-static inline void refcount_error_report(struct pt_regs *regs, const char *err)
-{ }
-#endif
-
 /* Internal, do not use. */
 int __must_check _kstrtoul(const char *s, unsigned int base, unsigned long *res);
 int __must_check _kstrtol(const char *s, unsigned int base, long *res);
diff --git a/kernel/panic.c b/kernel/panic.c
index 47e8ebccc22b..10d05fd4f9c3 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -670,17 +670,6 @@ EXPORT_SYMBOL(__stack_chk_fail);
 
 #endif
 
-#ifdef CONFIG_ARCH_HAS_REFCOUNT
-void refcount_error_report(struct pt_regs *regs, const char *err)
-{
-	WARN_RATELIMIT(1, "refcount_t %s at %pB in %s[%d], uid/euid: %u/%u\n",
-		err, (void *)instruction_pointer(regs),
-		current->comm, task_pid_nr(current),
-		from_kuid_munged(&init_user_ns, current_uid()),
-		from_kuid_munged(&init_user_ns, current_euid()));
-}
-#endif
-
 core_param(panic, panic_timeout, int, 0644);
 core_param(panic_print, panic_print, ulong, 0644);
 core_param(pause_on_oops, pause_on_oops, int, 0644);
-- 
2.24.0.432.g9d3f5f5b63-goog


  parent reply	other threads:[~2019-11-21 11:59 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-21 11:58 [RESEND PATCH v4 00/10] Rework REFCOUNT_FULL using atomic_fetch_* operations Will Deacon
2019-11-21 11:58 ` [RESEND PATCH v4 01/10] lib/refcount: Define constants for saturation and max refcount values Will Deacon
2019-11-25  8:19   ` [tip: locking/core] locking/refcount: " tip-bot2 for Will Deacon
2019-11-21 11:58 ` [RESEND PATCH v4 02/10] lib/refcount: Ensure integer operands are treated as signed Will Deacon
2019-11-25  8:19   ` [tip: locking/core] locking/refcount: " tip-bot2 for Will Deacon
2019-11-21 11:58 ` [RESEND PATCH v4 03/10] lib/refcount: Remove unused refcount_*_checked() variants Will Deacon
2019-11-21 14:55   ` David Sterba
2019-11-21 17:11     ` Kees Cook
2019-11-21 17:17       ` David Sterba
2019-11-25  8:19   ` [tip: locking/core] locking/refcount: " tip-bot2 for Will Deacon
2019-11-21 11:58 ` [RESEND PATCH v4 04/10] lib/refcount: Move bulk of REFCOUNT_FULL implementation into header Will Deacon
2019-11-25  8:19   ` [tip: locking/core] locking/refcount: Move the bulk of the REFCOUNT_FULL implementation into the <linux/refcount.h> header tip-bot2 for Will Deacon
2019-11-21 11:58 ` [RESEND PATCH v4 05/10] lib/refcount: Improve performance of generic REFCOUNT_FULL code Will Deacon
2019-11-25  8:19   ` [tip: locking/core] locking/refcount: " tip-bot2 for Will Deacon
2020-02-26  4:10   ` [RESEND PATCH v4 05/10] lib/refcount: " Jann Horn
2020-02-28 10:43     ` Will Deacon
2020-03-02 13:06       ` Jann Horn
2019-11-21 11:58 ` [RESEND PATCH v4 06/10] lib/refcount: Move saturation warnings out of line Will Deacon
2019-11-25  8:19   ` [tip: locking/core] locking/refcount: " tip-bot2 for Will Deacon
2019-11-21 11:58 ` [RESEND PATCH v4 07/10] lib/refcount: Consolidate REFCOUNT_{MAX,SATURATED} definitions Will Deacon
2019-11-25  8:19   ` [tip: locking/core] locking/refcount: " tip-bot2 for Will Deacon
2019-11-21 11:59 ` [RESEND PATCH v4 08/10] refcount: Consolidate implementations of refcount_t Will Deacon
2019-11-25  8:19   ` [tip: locking/core] locking/refcount: " tip-bot2 for Will Deacon
2019-12-01 15:49   ` [refcount] d2d337b185: WARNING:at_lib/refcount.c:#refcount_warn_saturate kernel test robot
2019-12-02  9:43     ` Ard Biesheuvel
2019-12-03  8:01       ` [LKP] " Rong Chen
2019-12-03  8:09         ` Will Deacon
2019-12-03  8:42           ` Rong Chen
2019-11-21 11:59 ` Will Deacon [this message]
2019-11-25  8:19   ` [tip: locking/core] locking/refcount: Remove unused 'refcount_error_report()' function tip-bot2 for Will Deacon
2019-11-21 11:59 ` [RESEND PATCH v4 10/10] drivers/lkdtm: Remove references to CONFIG_REFCOUNT_FULL Will Deacon
2019-11-25  8:19   ` [tip: locking/core] lkdtm: " tip-bot2 for Will Deacon
2019-11-21 12:07 ` [RESEND PATCH v4 00/10] Rework REFCOUNT_FULL using atomic_fetch_* operations Ard Biesheuvel
2019-11-22  3:44 ` Hanjun Guo

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