Date: Thu, 9 Oct 2025 16:32:20 GMT From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 3e9e19e9674b - stable/15 - arm64/vmm: Clear all pmc fields Message-ID: <202510091632.599GWKKF023548@gitrepo.freebsd.org>
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The branch stable/15 has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=3e9e19e9674b710fc65c1aee9b16f65f53c768fa commit 3e9e19e9674b710fc65c1aee9b16f65f53c768fa Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2025-10-02 15:34:23 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2025-10-09 16:31:49 +0000 arm64/vmm: Clear all pmc fields When clearing pmcntenclr_el0, pmintenclr_el1, and pmovsclr_el0 clear all bits as new fields may be added in the upper 32-bits. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D52801 (cherry picked from commit c1723bbe2aa7f6c8b23d3aa97379d89e883b0a93) --- sys/arm64/vmm/vmm_hyp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sys/arm64/vmm/vmm_hyp.c b/sys/arm64/vmm/vmm_hyp.c index d61885c15871..3b3ed20f0e41 100644 --- a/sys/arm64/vmm/vmm_hyp.c +++ b/sys/arm64/vmm/vmm_hyp.c @@ -334,11 +334,11 @@ vmm_hyp_reg_restore(struct hypctx *hypctx, struct hyp *hyp, bool guest) WRITE_SPECIALREG(pmccntr_el0, hypctx->pmccntr_el0); WRITE_SPECIALREG(pmccfiltr_el0, hypctx->pmccfiltr_el0); /* Clear all events/interrupts then enable them */ - WRITE_SPECIALREG(pmcntenclr_el0, 0xfffffffful); + WRITE_SPECIALREG(pmcntenclr_el0, ~0ul); WRITE_SPECIALREG(pmcntenset_el0, hypctx->pmcntenset_el0); - WRITE_SPECIALREG(pmintenclr_el1, 0xfffffffful); + WRITE_SPECIALREG(pmintenclr_el1, ~0ul); WRITE_SPECIALREG(pmintenset_el1, hypctx->pmintenset_el1); - WRITE_SPECIALREG(pmovsclr_el0, 0xfffffffful); + WRITE_SPECIALREG(pmovsclr_el0, ~0ul); WRITE_SPECIALREG(pmovsset_el0, hypctx->pmovsset_el0); switch ((hypctx->pmcr_el0 & PMCR_N_MASK) >> PMCR_N_SHIFT) {
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