From 039fd27173236d22736feb0773da5f728f759c79 Mon Sep 17 00:00:00 2001 From: John Audia Date: Thu, 9 Jul 2020 17:22:35 -0400 Subject: [PATCH] kernel: bump 5.4 to 5.4.51 update via update_kernel.sh -v -u 5.4 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Removed upstreamed patches: 350-MIPS-Add-missing-EHB-in-mtc0-mfc0-sequence-for-DSPen.patch Script refreshed patches: 902-debloat_proc.patch 904-debloat_dma_buf.patch Attempted merge conflict in following patches: 0024-MIPS-lantiq-revert-DSA-switch-driver-PMU-clock-chang.patch Build system: x86_64 Build tested: ipq806x (Netgear R7800) Signed-off-by: John Audia [fixed sha256sum of the tarball] Signed-off-by: Petr Å tetiar --- include/kernel-version.mk | 4 +- .../generic/hack-5.4/902-debloat_proc.patch | 2 +- .../hack-5.4/904-debloat_dma_buf.patch | 2 +- ...-EHB-in-mtc0-mfc0-sequence-for-DSPen.patch | 61 ------------------- ...rt-DSA-switch-driver-PMU-clock-chang.patch | 8 +-- 5 files changed, 8 insertions(+), 69 deletions(-) delete mode 100644 target/linux/generic/pending-5.4/350-MIPS-Add-missing-EHB-in-mtc0-mfc0-sequence-for-DSPen.patch diff --git a/include/kernel-version.mk b/include/kernel-version.mk index b99ab180ab..624c31590d 100644 --- a/include/kernel-version.mk +++ b/include/kernel-version.mk @@ -8,11 +8,11 @@ endif LINUX_VERSION-4.14 = .187 LINUX_VERSION-4.19 = .131 -LINUX_VERSION-5.4 = .50 +LINUX_VERSION-5.4 = .51 LINUX_KERNEL_HASH-4.14.187 = 5b223475eaeea196aa7e127d3f253bca5c35d8afdc72ca75230ce1ecdd1454bd LINUX_KERNEL_HASH-4.19.131 = 19dfb9f6cc4ba30104b65dcce7d78240a4ae188cb366747d5f8eae35e98964ba -LINUX_KERNEL_HASH-5.4.50 = ad10f4c1e900f4e3eb4903b65dbcb4ca74250de63aa9fa7105b9b3c3f9a8a6e2 +LINUX_KERNEL_HASH-5.4.51 = 9e8bea8b4cd636726b7e495a3b467c8ffe96f8eddc159a45fe4a7e6e07a2069d remove_uri_prefix=$(subst git://,,$(subst http://,,$(subst https://,,$(1)))) sanitize_uri=$(call qstrip,$(subst @,_,$(subst :,_,$(subst .,_,$(subst -,_,$(subst /,_,$(1))))))) diff --git a/target/linux/generic/hack-5.4/902-debloat_proc.patch b/target/linux/generic/hack-5.4/902-debloat_proc.patch index 07ee52af44..a05822cbdd 100644 --- a/target/linux/generic/hack-5.4/902-debloat_proc.patch +++ b/target/linux/generic/hack-5.4/902-debloat_proc.patch @@ -29,7 +29,7 @@ Signed-off-by: Felix Fietkau --- a/fs/locks.c +++ b/fs/locks.c -@@ -2989,6 +2989,8 @@ static const struct seq_operations locks +@@ -2992,6 +2992,8 @@ static const struct seq_operations locks static int __init proc_locks_init(void) { diff --git a/target/linux/generic/hack-5.4/904-debloat_dma_buf.patch b/target/linux/generic/hack-5.4/904-debloat_dma_buf.patch index 4221e6a035..9c7c3c2c24 100644 --- a/target/linux/generic/hack-5.4/904-debloat_dma_buf.patch +++ b/target/linux/generic/hack-5.4/904-debloat_dma_buf.patch @@ -45,7 +45,7 @@ Signed-off-by: Felix Fietkau selftest.o \ --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c -@@ -1299,4 +1299,5 @@ static void __exit dma_buf_deinit(void) +@@ -1295,4 +1295,5 @@ static void __exit dma_buf_deinit(void) dma_buf_uninit_debugfs(); kern_unmount(dma_buf_mnt); } diff --git a/target/linux/generic/pending-5.4/350-MIPS-Add-missing-EHB-in-mtc0-mfc0-sequence-for-DSPen.patch b/target/linux/generic/pending-5.4/350-MIPS-Add-missing-EHB-in-mtc0-mfc0-sequence-for-DSPen.patch deleted file mode 100644 index 063ec0e9fb..0000000000 --- a/target/linux/generic/pending-5.4/350-MIPS-Add-missing-EHB-in-mtc0-mfc0-sequence-for-DSPen.patch +++ /dev/null @@ -1,61 +0,0 @@ -From db4603e30effd74d4adb6bcdf73072b2c06fafcd Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens -Date: Fri, 3 Jul 2020 00:07:15 +0200 -Subject: [PATCH] MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen - -This resolves the hazard between the mtc0 in the change_c0_status() and -the mfc0 in configure_exception_vector(). Without resolving this hazard -configure_exception_vector() could read an old value and would restore -this old value again. This would revert the changes change_c0_status() -did. I checked this by printing out the read_c0_status() at the end of -per_cpu_trap_init() and the ST0_MX is not set without this patch. - -The hazard is documented in the MIPS Architecture Reference Manual Vol. -III: MIPS32/microMIPS32 Privileged Resource Architecture (MD00088), rev -6.03 table 8.1 which includes: - - Producer | Consumer | Hazard - ----------|----------|---------------------------- - mtc0 | mfc0 | any coprocessor 0 register - -I saw this hazard on an Atheros AR9344 rev 2 SoC with a MIPS 74Kc CPU. -There the change_c0_status() function would activate the DSPen by -setting ST0_MX in the c0_status register. This was reverted and then the -system got a DSP exception when the DSP registers were saved in -save_dsp() in the first process switch. The crash looks like this: - -[ 0.089999] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) -[ 0.097796] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) -[ 0.107070] Kernel panic - not syncing: Unexpected DSP exception -[ 0.113470] Rebooting in 1 seconds.. - -We saw this problem in OpenWrt only on the MIPS 74Kc based Atheros SoCs, -not on the 24Kc based SoCs. We only saw it with kernel 5.4 not with -kernel 4.19, in addition we had to use GCC 8.4 or 9.X, with GCC 8.3 it -did not happen. - -In the kernel I bisected this problem to commit 9012d011660e ("compiler: -allow all arches to enable CONFIG_OPTIMIZE_INLINING"), but when this was -reverted it also happened after commit 172dcd935c34b ("MIPS: Always -allocate exception vector for MIPSr2+"). - -Commit 0b24cae4d535 ("MIPS: Add missing EHB in mtc0 -> mfc0 sequence.") -does similar changes to a different file. I am not sure if there are -more places affected by this problem. - -Signed-off-by: Hauke Mehrtens -Cc: ---- - arch/mips/kernel/traps.c | 1 + - 1 file changed, 1 insertion(+) - ---- a/arch/mips/kernel/traps.c -+++ b/arch/mips/kernel/traps.c -@@ -2126,6 +2126,7 @@ static void configure_status(void) - - change_c0_status(ST0_CU|ST0_MX|ST0_RE|ST0_FR|ST0_BEV|ST0_TS|ST0_KX|ST0_SX|ST0_UX, - status_set); -+ back_to_back_c0_hazard(); - } - - unsigned int hwrena; diff --git a/target/linux/lantiq/patches-5.4/0024-MIPS-lantiq-revert-DSA-switch-driver-PMU-clock-chang.patch b/target/linux/lantiq/patches-5.4/0024-MIPS-lantiq-revert-DSA-switch-driver-PMU-clock-chang.patch index a364d6d67b..9b326c50d1 100644 --- a/target/linux/lantiq/patches-5.4/0024-MIPS-lantiq-revert-DSA-switch-driver-PMU-clock-chang.patch +++ b/target/linux/lantiq/patches-5.4/0024-MIPS-lantiq-revert-DSA-switch-driver-PMU-clock-chang.patch @@ -30,8 +30,8 @@ Signed-off-by: Mathias Kresin + clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH | PMU_PPE_DP | PMU_PPE_TC); clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF); -- clkdev_add_pmu("1e108000.gswip", "gphy0", 0, 0, PMU_GPHY); -- clkdev_add_pmu("1e108000.gswip", "gphy1", 0, 0, PMU_GPHY); +- clkdev_add_pmu("1e108000.switch", "gphy0", 0, 0, PMU_GPHY); +- clkdev_add_pmu("1e108000.switch", "gphy1", 0, 0, PMU_GPHY); + clkdev_add_pmu("1f203020.gphy", NULL, 1, 0, PMU_GPHY); + clkdev_add_pmu("1f203068.gphy", NULL, 1, 0, PMU_GPHY); clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU); @@ -46,8 +46,8 @@ Signed-off-by: Mathias Kresin PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM | PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 | PMU_PPE_QSB | PMU_PPE_TOP); -- clkdev_add_pmu("1e108000.gswip", "gphy0", 0, 0, PMU_GPHY); -- clkdev_add_pmu("1e108000.gswip", "gphy1", 0, 0, PMU_GPHY); +- clkdev_add_pmu("1e108000.switch", "gphy0", 0, 0, PMU_GPHY); +- clkdev_add_pmu("1e108000.switch", "gphy1", 0, 0, PMU_GPHY); + clkdev_add_pmu("1f203020.gphy", NULL, 0, 0, PMU_GPHY); + clkdev_add_pmu("1f203068.gphy", NULL, 0, 0, PMU_GPHY); clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO); -- 2.30.2