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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Randy Dunlap <rdunlap@infradead.org>,
        Jason Ekstrand <jason@jlekstrand.net>,
        Daniel Vetter <daniel.vetter@ffwll.ch>,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        Jani Nikula <jani.nikula@linux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
        intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        Dave Airlie <airlied@redhat.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.13 059/175] drm/i915: fix i915_globals_exit() section mismatch error
Date:   Tue, 10 Aug 2021 19:29:27 +0200
Message-Id: <20210810173002.892794186@linuxfoundation.org>
In-Reply-To: <20210810173000.928681411@linuxfoundation.org>
References: <20210810173000.928681411@linuxfoundation.org>
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From: Randy Dunlap <rdunlap@infradead.org>

[ Upstream commit a07296453bf2778952a09b6244a695bf7607babb ]

Fix modpost Section mismatch error in i915_globals_exit().
Since both an __init function and an __exit function can call
i915_globals_exit(), any function that i915_globals_exit() calls
should not be marked as __init or __exit. I.e., it needs to be
available for either of them.

WARNING: modpost: vmlinux.o(.text+0x8b796a): Section mismatch in reference from the function i915_globals_exit() to the function .exit.text:__i915_globals_flush()
The function i915_globals_exit() references a function in an exit section.
Often the function __i915_globals_flush() has valid usage outside the exit section
and the fix is to remove the __exit annotation of __i915_globals_flush.

ERROR: modpost: Section mismatches detected.
Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them.

Fixes: 1354d830cb8f ("drm/i915: Call i915_globals_exit() if pci_register_device() fails")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210804204147.2070-1-rdunlap@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/i915/i915_globals.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_globals.c b/drivers/gpu/drm/i915/i915_globals.c
index e27739a50bee..57d2943884ab 100644
--- a/drivers/gpu/drm/i915/i915_globals.c
+++ b/drivers/gpu/drm/i915/i915_globals.c
@@ -139,7 +139,7 @@ void i915_globals_unpark(void)
 	atomic_inc(&active);
 }
 
-static void __exit __i915_globals_flush(void)
+static void  __i915_globals_flush(void)
 {
 	atomic_inc(&active); /* skip shrinking */
 
-- 
2.30.2