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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>,
	Jan Glauber <jglauber@marvell.com>
Subject: [PATCH v3 09/10] lib/refcount: Remove unused 'refcount_error_report()' function
Date: Mon,  7 Oct 2019 16:47:02 +0100	[thread overview]
Message-ID: <20191007154703.5574-10-will@kernel.org> (raw)
In-Reply-To: <20191007154703.5574-1-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>
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);
-- 
2.23.0.581.g78d2f28ef7-goog


  parent reply	other threads:[~2019-10-07 15:47 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-07 15:46 [PATCH v3 00/10] Rework REFCOUNT_FULL using atomic_fetch_* operations Will Deacon
2019-10-07 15:46 ` [PATCH v3 01/10] lib/refcount: Define constants for saturation and max refcount values Will Deacon
2019-10-07 15:46 ` [PATCH v3 02/10] lib/refcount: Ensure integer operands are treated as signed Will Deacon
2019-10-07 15:46 ` [PATCH v3 03/10] lib/refcount: Remove unused refcount_*_checked() variants Will Deacon
2019-10-07 15:46 ` [PATCH v3 04/10] lib/refcount: Move bulk of REFCOUNT_FULL implementation into header Will Deacon
2019-10-07 15:46 ` [PATCH v3 05/10] lib/refcount: Improve performance of generic REFCOUNT_FULL code Will Deacon
2019-10-09  9:25   ` Peter Zijlstra
2019-10-09 11:35     ` Peter Zijlstra
2019-10-09 16:44     ` Will Deacon
2019-10-09 17:41       ` Peter Zijlstra
2019-10-07 15:46 ` [PATCH v3 06/10] lib/refcount: Move saturation warnings out of line Will Deacon
2019-10-10 20:48   ` Kees Cook
2019-10-11 12:09     ` Will Deacon
2019-10-07 15:47 ` [PATCH v3 07/10] lib/refcount: Consolidate REFCOUNT_{MAX,SATURATED} definitions Will Deacon
2019-10-07 15:47 ` [PATCH v3 08/10] refcount: Consolidate implementations of refcount_t Will Deacon
2019-10-10 20:49   ` Kees Cook
2019-10-07 15:47 ` Will Deacon [this message]
2019-10-10 20:50   ` [PATCH v3 09/10] lib/refcount: Remove unused 'refcount_error_report()' function Kees Cook
2019-10-11 12:12     ` Will Deacon
2019-10-07 15:47 ` [PATCH v3 10/10] drivers/lkdtm: Remove references to CONFIG_REFCOUNT_FULL Will Deacon
2019-10-10 20:50   ` Kees Cook
2019-10-09 10:01 ` [PATCH v3 00/10] Rework REFCOUNT_FULL using atomic_fetch_* operations Hanjun Guo

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