git: 03bca3cfb4bb - main - arm64: Reword a comment about kexec / kboot path
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Thu, 17 Apr 2025 21:59:14 UTC
The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=03bca3cfb4bb37f6496bc5e50a9d5936b0483084 commit 03bca3cfb4bb37f6496bc5e50a9d5936b0483084 Author: Warner Losh <imp@FreeBSD.org> AuthorDate: 2025-04-17 04:04:03 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2025-04-17 21:56:46 +0000 arm64: Reword a comment about kexec / kboot path Sponsored by: Netflix Reviewed by: kevans, andrew, jhibbits Differential Revision: https://reviews.freebsd.org/D49860 --- sys/arm64/arm64/machdep.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/sys/arm64/arm64/machdep.c b/sys/arm64/arm64/machdep.c index 6184ce937b8a..d3955d8c9863 100644 --- a/sys/arm64/arm64/machdep.c +++ b/sys/arm64/arm64/machdep.c @@ -502,10 +502,12 @@ efi_early_map(vm_offset_t va) /* - * When booted via kboot, the prior kernel will pass in reserved memory areas in - * a EFI config table. We need to find that table and walk through it excluding - * the memory ranges in it. btw, this is called too early for the printf to do - * anything since msgbufp isn't initialized, let alone a console... + * When booted via kexec from Linux, the prior kernel will pass in reserved + * memory areas in an EFI config table. We need to find that table and walk + * through it excluding the memory ranges in it. btw, this is called too early + * for the printf to do anything (unless EARLY_PRINTF is defined) since msgbufp + * isn't initialized, let alone a console, but breakpoints in printf help + * diagnose rare failures. */ static void exclude_efi_memreserve(vm_paddr_t efi_systbl_phys)