[xen staging] xen/riscv: drop pregs from struct cpu_user_regs

[patchbot@xxxxxxx]

commit f3100b986e564b5ba39a7170b1d7a1ae2b7cdf07
Author:     Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
AuthorDate: Tue Sep 1 09:57:13 2026 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Sep 1 09:57:13 2026 +0200

    xen/riscv: drop pregs from struct cpu_user_regs
    
    As nothing is using pregs in upstream or downstream ports of RISC-V drop
    it from struct cpu_user_regs. Once it will really be needed re-introduce
    it.
    
    Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
    Reviewed-by: Baptiste Le Duc <baptiste.le-duc@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/riscv/include/asm/processor.h | 2 --
 xen/arch/riscv/riscv64/asm-offsets.c   | 1 -
 2 files changed, 3 deletions(-)

diff --git a/xen/arch/riscv/include/asm/processor.h 
b/xen/arch/riscv/include/asm/processor.h
index 6b89df4a2d..b1745c1071 100644
--- a/xen/arch/riscv/include/asm/processor.h
+++ b/xen/arch/riscv/include/asm/processor.h
@@ -50,8 +50,6 @@ struct cpu_user_regs
     unsigned long sepc;
     unsigned long sstatus;
     unsigned long hstatus;
-    /* pointer to previous stack_cpu_regs */
-    unsigned long pregs;
 };
 
 /* TODO: need to implement */
diff --git a/xen/arch/riscv/riscv64/asm-offsets.c 
b/xen/arch/riscv/riscv64/asm-offsets.c
index 472cced4f8..1290b9dbbe 100644
--- a/xen/arch/riscv/riscv64/asm-offsets.c
+++ b/xen/arch/riscv/riscv64/asm-offsets.c
@@ -50,7 +50,6 @@ void asm_offsets(void)
     OFFSET(CPU_USER_REGS_SEPC, struct cpu_user_regs, sepc);
     OFFSET(CPU_USER_REGS_SSTATUS, struct cpu_user_regs, sstatus);
     OFFSET(CPU_USER_REGS_HSTATUS, struct cpu_user_regs, hstatus);
-    OFFSET(CPU_USER_REGS_PREGS, struct cpu_user_regs, pregs);
     BLANK();
     DEFINE(PCPU_INFO_SIZE, sizeof(struct pcpu_info));
     BLANK();
--
generated by git-patchbot for /home/xen/git/xen.git#staging