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[PATCH 2/8] kern/ieee1275/init: ppc64: Decide by request whether to init
From: |
Stefan Berger |
Subject: |
[PATCH 2/8] kern/ieee1275/init: ppc64: Decide by request whether to initialize region |
Date: |
Fri, 27 Oct 2023 10:14:05 -0400 |
Let the request structure's init_region determine whether to call
grub_mm_init_region() on it.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Cc: Hari Bathini <hbathini@linux.ibm.com>
Cc: Pavithra Prakash <pavrampu@in.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Carolyn Scherrer <cpscherr@us.ibm.com>
Cc: Mahesh Salgaonkar <mahesh@linux.ibm.com>
Cc: Sourabh Jain <sourabhjain@linux.ibm.com>
---
grub-core/kern/ieee1275/init.c | 5 ++++-
include/grub/powerpc/ieee1275/alloc.h | 3 +++
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c
index 061c28c98..217f25fae 100644
--- a/grub-core/kern/ieee1275/init.c
+++ b/grub-core/kern/ieee1275/init.c
@@ -515,7 +515,8 @@ regions_claim (grub_uint64_t addr, grub_uint64_t len,
grub_memory_type_t type,
err = grub_claimmap (addr, len);
if (err)
return err;
- grub_mm_init_region ((void *) (grub_addr_t) addr, len);
+ if (rcr->init_region)
+ grub_mm_init_region ((void *) (grub_addr_t) addr, len);
rcr->total -= len;
}
@@ -534,6 +535,7 @@ heap_init (grub_uint64_t addr, grub_uint64_t len,
grub_memory_type_t type,
struct regions_claim_request rcr = {
.flags = GRUB_MM_ADD_REGION_NONE,
.total = *(grub_uint32_t *) data,
+ .init_region = true,
};
int ret;
@@ -551,6 +553,7 @@ region_claim (grub_uint64_t addr, grub_uint64_t len,
grub_memory_type_t type,
struct regions_claim_request rcr = {
.flags = GRUB_MM_ADD_REGION_CONSECUTIVE,
.total = *(grub_uint32_t *) data,
+ .init_region = true,
};
int ret;
diff --git a/include/grub/powerpc/ieee1275/alloc.h
b/include/grub/powerpc/ieee1275/alloc.h
index 97b8c2683..15a8fdd6d 100644
--- a/include/grub/powerpc/ieee1275/alloc.h
+++ b/include/grub/powerpc/ieee1275/alloc.h
@@ -1,11 +1,14 @@
#ifndef GRUB_POWERPC_IEEE1275_ALLOC_HEADER
#define GRUB_POWERPC_IEEE1275_ALLOC_HEADER 1
+#include <stdbool.h>
+
#include <grub/memory.h>
struct regions_claim_request {
unsigned int flags; /* GRUB_MM_ADD_REGION_(NONE|CONSECUTIVE) */
grub_uint32_t total; /* number of requested bytes */
+ bool init_region; /* whether to init the region */
};
#endif /* GRUB_POWERPC_IEEE1275_ALLOC_HEADER */
--
2.25.1
- [PATCH 0/8] ppc64: Restrict memory allocations for kernel and initrd, Stefan Berger, 2023/10/27
- [PATCH 6/8] kern/ieee1275/init: ppc64: Implement alloc_mem_restricted, Stefan Berger, 2023/10/27
- [PATCH 8/8] debug: Display successful memory claims, Stefan Berger, 2023/10/27
- [PATCH 7/8] loader/powerpc/ieee1275: Use new allocation function for kernel and initrd, Stefan Berger, 2023/10/27
- [PATCH 2/8] kern/ieee1275/init: ppc64: Decide by request whether to initialize region,
Stefan Berger <=
- [PATCH 1/8] kern/ieee1275/init: ppc64: Introduce a request for regions_claim, Stefan Berger, 2023/10/27
- [PATCH 3/8] kern/ieee1275/init: ppc64: Return allocated address and len using context, Stefan Berger, 2023/10/27
- [PATCH 4/8] kern/ieee1275/init: ppc64: Check early for sufficiently large chunk, Stefan Berger, 2023/10/27
- [PATCH 5/8] kern/ieee1275/init: ppc64: Add support for alignment requirements, Stefan Berger, 2023/10/27
- Re: [PATCH 0/8] ppc64: Restrict memory allocations for kernel and initrd, Daniel Kiper, 2023/10/31