Message ID | 20240909070742.75425-20-ubizjak@gmail.com (mailing list archive) |
---|---|
State | Superseded |
Headers |
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Donenfeld" <Jason@zx2c4.com>, Kent Overstreet <kent.overstreet@linux.dev> Subject: [PATCH v2 19/19] prandom: Include <linux/percpu.h> in <linux/prandom.h> Date: Mon, 9 Sep 2024 09:05:33 +0200 Message-ID: <20240909070742.75425-20-ubizjak@gmail.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240909070742.75425-1-ubizjak@gmail.com> References: <20240909070742.75425-1-ubizjak@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: <linux-media.vger.kernel.org> List-Subscribe: <mailto:linux-media+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-media+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-LSpam-Score: -5.3 (-----) X-LSpam-Report: No, score=-5.3 required=5.0 tests=ARC_SIGNED=0.001,ARC_VALID=-0.1,BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,DMARC_PASS=-0.001,FREEMAIL_FORGED_FROMDOMAIN=1,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_VALIDITY_CERTIFIED=-3,RCVD_IN_VALIDITY_RPBL=1.31,RCVD_IN_VALIDITY_SAFE=-2,SPF_HELO_NONE=0.001,SPF_PASS=-0.001 autolearn=ham autolearn_force=no |
Series |
random: Resolve circular include dependency and include <linux/percpu.h>
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Commit Message
Uros Bizjak
Sept. 9, 2024, 7:05 a.m. UTC
<linux/percpu.h> include was removed from <linux/prandom.h>
in d9f29deb7fe8 ("prandom: Remove unused include") because
this inclusion broke arm64 due to a circular dependency
on include files.
__percpu tag is defined in include/linux/compiler_types.h, so there
is currently no direct need for the inclusion of <linux/percpu.h>.
However, in [1] we would like to repurpose __percpu tag as a named
address space qualifier, where __percpu macro uses defines from
<linux/percpu.h>.
The circular dependency was removed in xxxxxxxxxxxx ("random: Do not
include <linux/prandom.h> in <linux/random.h>") and it cleared
the path for the inclusion of <linux/percpu.h> in <linux/prandom.h>.
This patch is basically a revert of d9f29deb7fe8
("prandom: Remove unused include").
[1] https://lore.kernel.org/lkml/20240812115945.484051-4-ubizjak@gmail.com/
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
---
include/linux/prandom.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/prandom.h b/include/linux/prandom.h index f7f1e5251c67..f2ed5b72b3d6 100644 --- a/include/linux/prandom.h +++ b/include/linux/prandom.h @@ -10,6 +10,7 @@ #include <linux/types.h> #include <linux/once.h> +#include <linux/percpu.h> #include <linux/random.h> struct rnd_state {