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Code Issues Releases Wiki Activity

pstore/ram: Move pmsg init earlier 

Since the ftrace area can vary in size based on CPU count, move pmsg
initialization earlier so it will have a stable location.

Suggested-by: Paramjit Oberoi <pso@chromium.org>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed: Guilherme G. Piccoli <gpiccoli@igalia.com>
Link: https://lore.kernel.org/r/20221011200112.731334-3-keescook@chromium.org
This commit is contained in:
Kees Cook 2022-10-11 13:01:09 -07:00
parent 3219122b8c
commit 6daf4e82bd
1 changed files with 5 additions and 5 deletions
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10
fs/pstore/ram.c
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@ -785,6 +785,11 @@ static int ramoops_probe(struct platform_device *pdev)
if (err)
goto fail_init;
err = ramoops_init_prz("pmsg", dev, cxt, &cxt->mprz, &paddr,
cxt->pmsg_size, 0);
if (err)
goto fail_init;
cxt->max_ftrace_cnt = (cxt->flags & RAMOOPS_FLAG_FTRACE_PER_CPU)
? nr_cpu_ids
: 1;
@ -796,11 +801,6 @@ static int ramoops_probe(struct platform_device *pdev)
if (err)
goto fail_init;
err = ramoops_init_prz("pmsg", dev, cxt, &cxt->mprz, &paddr,
cxt->pmsg_size, 0);
if (err)
goto fail_init;
cxt->pstore.data = cxt;
/*
* Prepare frontend flags based on which areas are initialized.