Linux v4.16-rc1-10-g178e834c47b0
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Justin M. Forbes
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0b116e4726
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From patchwork Tue Feb 6 21:20:21 2018
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: [1/2] sun4i_ss_prng: fix return value of sun4i_ss_prng_generate
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From: Artem Savkov <artem.savkov@gmail.com>
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X-Patchwork-Id: 10204151
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Message-Id: <20180206212022.1309-2-artem.savkov@gmail.com>
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To: Corentin Labbe <clabbe.montjoie@gmail.com>
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Cc: linux-kernel@vger.kernel.org, Artem Savkov <artem.savkov@gmail.com>,
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Herbert Xu <herbert@gondor.apana.org.au>,
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linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org
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Date: Tue, 6 Feb 2018 22:20:21 +0100
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According to crypto/rng.h generate function should return 0 on success
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and < 0 on error.
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Fixes: b8ae5c7387ad ("crypto: sun4i-ss - support the Security System PRNG")
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Signed-off-by: Artem Savkov <artem.savkov@gmail.com>
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Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
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---
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drivers/crypto/sunxi-ss/sun4i-ss-prng.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-prng.c b/drivers/crypto/sunxi-ss/sun4i-ss-prng.c
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index 0d01d1624252..5754e0b92fb0 100644
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--- a/drivers/crypto/sunxi-ss/sun4i-ss-prng.c
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+++ b/drivers/crypto/sunxi-ss/sun4i-ss-prng.c
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@@ -52,5 +52,5 @@ int sun4i_ss_prng_generate(struct crypto_rng *tfm, const u8 *src,
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writel(0, ss->base + SS_CTL);
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spin_unlock(&ss->slock);
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- return dlen;
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+ return 0;
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}
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From patchwork Tue Feb 6 21:20:22 2018
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: [2/2] sun4i_ss_prng: convert lock to _bh in sun4i_ss_prng_generate
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From: Artem Savkov <artem.savkov@gmail.com>
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X-Patchwork-Id: 10204145
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Message-Id: <20180206212022.1309-3-artem.savkov@gmail.com>
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To: Corentin Labbe <clabbe.montjoie@gmail.com>
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Cc: linux-kernel@vger.kernel.org, Artem Savkov <artem.savkov@gmail.com>,
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Herbert Xu <herbert@gondor.apana.org.au>,
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linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org
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Date: Tue, 6 Feb 2018 22:20:22 +0100
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Lockdep detects a possible deadlock in sun4i_ss_prng_generate() and
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throws an "inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage" warning.
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Disabling softirqs to fix this.
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Fixes: b8ae5c7387ad ("crypto: sun4i-ss - support the Security System PRNG")
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Signed-off-by: Artem Savkov <artem.savkov@gmail.com>
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---
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drivers/crypto/sunxi-ss/sun4i-ss-prng.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-prng.c b/drivers/crypto/sunxi-ss/sun4i-ss-prng.c
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index 5754e0b92fb0..63d636424161 100644
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--- a/drivers/crypto/sunxi-ss/sun4i-ss-prng.c
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+++ b/drivers/crypto/sunxi-ss/sun4i-ss-prng.c
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@@ -28,7 +28,7 @@ int sun4i_ss_prng_generate(struct crypto_rng *tfm, const u8 *src,
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algt = container_of(alg, struct sun4i_ss_alg_template, alg.rng);
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ss = algt->ss;
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- spin_lock(&ss->slock);
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+ spin_lock_bh(&ss->slock);
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writel(mode, ss->base + SS_CTL);
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@@ -51,6 +51,6 @@ int sun4i_ss_prng_generate(struct crypto_rng *tfm, const u8 *src,
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}
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writel(0, ss->base + SS_CTL);
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- spin_unlock(&ss->slock);
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+ spin_unlock_bh(&ss->slock);
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return 0;
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}
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2
gitrev
2
gitrev
@ -1 +1 @@
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7928b2cbe55b2a410a0f5c1f154610059c57b1b2
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178e834c47b0d01352c48730235aae69898fbc02
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@ -69,7 +69,7 @@ Summary: The Linux kernel
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# The rc snapshot level
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%global rcrev 1
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# The git snapshot level
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%define gitrev 0
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%define gitrev 1
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# Set rpm version accordingly
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%define rpmversion 4.%{upstream_sublevel}.0
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%endif
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@ -124,7 +124,7 @@ Summary: The Linux kernel
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# Set debugbuildsenabled to 1 for production (build separate debug kernels)
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# and 0 for rawhide (all kernels are debug kernels).
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# See also 'make debug' and 'make release'.
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%define debugbuildsenabled 1
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%define debugbuildsenabled 0
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%if %{with_verbose}
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%define make_opts V=1
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@ -594,7 +594,6 @@ Patch308: bcm283x-dma-mapping-skip-USB-devices-when-configuring-DMA-during-probe
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Patch311: arm-clk-bcm2835-hdmi-fixes.patch
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# https://www.spinics.net/lists/arm-kernel/msg632925.html
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Patch312: arm-sun4i_ss_prng-fixes.patch
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Patch313: arm-crypto-sunxi-ss-Add-MODULE_ALIAS-to-sun4i-ss.patch
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# 400 - IBM (ppc/s390x) patches
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@ -1871,6 +1870,10 @@ fi
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#
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#
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%changelog
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* Tue Feb 13 2018 Justin M. Forbes <jforbes@fedoraproject.org> - 4.16.0-0.rc1.git1.1
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- Linux v4.16-rc1-10-g178e834c47b0
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- Reenable debugging options.
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* Mon Feb 12 2018 Justin M. Forbes <jforbes@fedoraproject.org> - 4.16.0-0.rc1.git0.1
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- Linux v4.16-rc1
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1
sources
1
sources
@ -1,2 +1,3 @@
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SHA512 (linux-4.15.tar.xz) = c00d92659df815a53dcac7dde145b742b1f20867d380c07cb09ddb3295d6ff10f8931b21ef0b09d7156923a3957b39d74d87c883300173b2e20690d2b4ec35ea
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SHA512 (patch-4.16-rc1.xz) = bedbdd6d8e08734083b03ef453e4f46b17016a936ebbd0a1908df7b5a3bdcfc0990d35f4dff83fd83008e4dfe326ccc9f406080cd8818c2d24e20eadaf37598b
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SHA512 (patch-4.16-rc1-git1.xz) = 2a9f1f728bc1440e13692ad88f45e7f02e9291ddaf30cac3eb54fe57a7a8b700160247ee84937093f9f8e9549df5fdd92f491450347375648a514af42838eabc
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