riscv: Reset pmm when PR_TAGGED_ADDR_ENABLE is not set

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In set_tagged_addr_ctrl(), when PR_TAGGED_ADDR_ENABLE is not set, pmlen
is correctly set to 0, but it forgets to reset pmm. This results in the
CPU pmm state not corresponding to the software pmlen state.

Fix this by resetting pmm along with pmlen.

Fixes: 2e17430858 ("riscv: Add support for the tagged address ABI")
Signed-off-by: Zishun Yi <vulab@iscas.ac.cn>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://patch.msgid.link/20260322160022.21908-1-vulab@iscas.ac.cn
Signed-off-by: Paul Walmsley <pjw@kernel.org>

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Zishun Yi 2026-03-23 00:00:22 +08:00 • committed by Paul Walmsley

parent 57f0253bc1

commit 3033b2b1e3

1 changed files with 3 additions and 1 deletions

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arch/riscv/kernel/process.c

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