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authorLinus Torvalds <torvalds@linux-foundation.org>2023-11-10 09:23:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2023-11-10 09:23:17 -0800
commit56d428ae1c4e27fbe02cb554b2192cd66e4df05a (patch)
tree0fa353d09d206a2206ef8861f489f50c4d80f9fe /arch/riscv/kernel/entry.S
parent656d88c3b654c0ccc0ff63aa75101c6c9f0a5300 (diff)
parent457926b253200bd9bdfae9a016a3b1d1dc661d55 (diff)
downloadlwn-56d428ae1c4e27fbe02cb554b2192cd66e4df05a.tar.gz
lwn-56d428ae1c4e27fbe02cb554b2192cd66e4df05a.zip
Merge tag 'riscv-for-linus-6.7-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt: - Support for handling misaligned accesses in S-mode - Probing for misaligned access support is now properly cached and handled in parallel - PTDUMP now reflects the SW reserved bits, as well as the PBMT and NAPOT extensions - Performance improvements for TLB flushing - Support for many new relocations in the module loader - Various bug fixes and cleanups * tag 'riscv-for-linus-6.7-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits) riscv: Optimize bitops with Zbb extension riscv: Rearrange hwcap.h and cpufeature.h drivers: perf: Do not broadcast to other cpus when starting a counter drivers: perf: Check find_first_bit() return value of: property: Add fw_devlink support for msi-parent RISC-V: Don't fail in riscv_of_parent_hartid() for disabled HARTs riscv: Fix set_memory_XX() and set_direct_map_XX() by splitting huge linear mappings riscv: Don't use PGD entries for the linear mapping RISC-V: Probe misaligned access speed in parallel RISC-V: Remove __init on unaligned_emulation_finish() RISC-V: Show accurate per-hart isa in /proc/cpuinfo RISC-V: Don't rely on positional structure initialization riscv: Add tests for riscv module loading riscv: Add remaining module relocations riscv: Avoid unaligned access when relocating modules riscv: split cache ops out of dma-noncoherent.c riscv: Improve flush_tlb_kernel_range() riscv: Make __flush_tlb_range() loop over pte instead of flushing the whole tlb riscv: Improve flush_tlb_range() for hugetlb pages riscv: Improve tlb_flush() ...
Diffstat (limited to 'arch/riscv/kernel/entry.S')
-rw-r--r--arch/riscv/kernel/entry.S15
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index 9f92c067f7e1..54ca4564a926 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -26,9 +26,9 @@ SYM_CODE_START(handle_exception)
* register will contain 0, and we should continue on the current TP.
*/
csrrw tp, CSR_SCRATCH, tp
- bnez tp, _save_context
+ bnez tp, .Lsave_context
-_restore_kernel_tpsp:
+.Lrestore_kernel_tpsp:
csrr tp, CSR_SCRATCH
REG_S sp, TASK_TI_KERNEL_SP(tp)
@@ -40,7 +40,7 @@ _restore_kernel_tpsp:
REG_L sp, TASK_TI_KERNEL_SP(tp)
#endif
-_save_context:
+.Lsave_context:
REG_S sp, TASK_TI_USER_SP(tp)
REG_L sp, TASK_TI_KERNEL_SP(tp)
addi sp, sp, -(PT_SIZE_ON_STACK)
@@ -322,7 +322,7 @@ SYM_FUNC_END(__switch_to)
.section ".rodata"
.align LGREG
/* Exception vector table */
-SYM_CODE_START(excp_vect_table)
+SYM_DATA_START_LOCAL(excp_vect_table)
RISCV_PTR do_trap_insn_misaligned
ALT_INSN_FAULT(RISCV_PTR do_trap_insn_fault)
RISCV_PTR do_trap_insn_illegal
@@ -340,12 +340,11 @@ SYM_CODE_START(excp_vect_table)
RISCV_PTR do_page_fault /* load page fault */
RISCV_PTR do_trap_unknown
RISCV_PTR do_page_fault /* store page fault */
-excp_vect_table_end:
-SYM_CODE_END(excp_vect_table)
+SYM_DATA_END_LABEL(excp_vect_table, SYM_L_LOCAL, excp_vect_table_end)
#ifndef CONFIG_MMU
-SYM_CODE_START(__user_rt_sigreturn)
+SYM_DATA_START(__user_rt_sigreturn)
li a7, __NR_rt_sigreturn
ecall
-SYM_CODE_END(__user_rt_sigreturn)
+SYM_DATA_END(__user_rt_sigreturn)
#endif