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| author | Andrey Zhizhikin <andrey.z@gmail.com> | 2020-08-11 07:17:14 +0000 |
|---|---|---|
| committer | Andrey Zhizhikin <andrey.z@gmail.com> | 2020-08-11 07:17:14 +0000 |
| commit | 188eac302f18174c537f3142e103f75bcf9d8a6d (patch) | |
| tree | 3f072b326bc081dac683b452ffa1e2848e394ea1 /arch/arm64/kernel | |
| parent | 1e10771673463a332a7e477fcba0b9488ec5362b (diff) | |
| parent | 67cb016870e2fa9ffc8d34cf20db5331e6f2cf4d (diff) | |
Merge tag 'v5.4.48' into 5.4-2.1.x-imx
This is the 5.4.48 stable release
Conflicts (manual resolve, upstream taken):
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
Commit d1a00c9bb1 from upstream solves the issue with improper error
reporting when qdisc type support is absent. Upstream version is merged
into NXP implementation.
Signed-off-by: Andrey Zhizhikin <andrey.z@gmail.com>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/head.S | 12 | ||||
| -rw-r--r-- | arch/arm64/kernel/insn.c | 14 | ||||
| -rw-r--r-- | arch/arm64/kernel/vmlinux.lds.S | 1 |
3 files changed, 17 insertions, 10 deletions
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 989b1944cb71..bdb5ec341900 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -393,13 +393,19 @@ __create_page_tables: /* * Since the page tables have been populated with non-cacheable - * accesses (MMU disabled), invalidate the idmap and swapper page - * tables again to remove any speculatively loaded cache lines. + * accesses (MMU disabled), invalidate those tables again to + * remove any speculatively loaded cache lines. */ + dmb sy + adrp x0, idmap_pg_dir + adrp x1, idmap_pg_end + sub x1, x1, x0 + bl __inval_dcache_area + + adrp x0, init_pg_dir adrp x1, init_pg_end sub x1, x1, x0 - dmb sy bl __inval_dcache_area ret x28 diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c index d801a7094076..a612da533ea2 100644 --- a/arch/arm64/kernel/insn.c +++ b/arch/arm64/kernel/insn.c @@ -1508,16 +1508,10 @@ static u32 aarch64_encode_immediate(u64 imm, u32 insn) { unsigned int immr, imms, n, ones, ror, esz, tmp; - u64 mask = ~0UL; - - /* Can't encode full zeroes or full ones */ - if (!imm || !~imm) - return AARCH64_BREAK_FAULT; + u64 mask; switch (variant) { case AARCH64_INSN_VARIANT_32BIT: - if (upper_32_bits(imm)) - return AARCH64_BREAK_FAULT; esz = 32; break; case AARCH64_INSN_VARIANT_64BIT: @@ -1529,6 +1523,12 @@ static u32 aarch64_encode_immediate(u64 imm, return AARCH64_BREAK_FAULT; } + mask = GENMASK(esz - 1, 0); + + /* Can't encode full zeroes, full ones, or value wider than the mask */ + if (!imm || imm == mask || imm & ~mask) + return AARCH64_BREAK_FAULT; + /* * Inverse of Replicate(). Try to spot a repeating pattern * with a pow2 stride. diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index aa76f7259668..e1af25dbc57e 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -142,6 +142,7 @@ SECTIONS . = ALIGN(PAGE_SIZE); idmap_pg_dir = .; . += IDMAP_DIR_SIZE; + idmap_pg_end = .; #ifdef CONFIG_UNMAP_KERNEL_AT_EL0 tramp_pg_dir = .; |